:KSI#Comedy Shorts Gamer

Olajide Olayinka Williams Olatunji{{Cite web |date=2024-10-10 |title=All you need to know about KSI – from jaw-dropping net worth to Britain's Got Talent role |url=https://www.hellomagazine.com/celebrities/723461/ksi-all-you-need-to-know-net-worth-girlfriend/?viewas=amp |access-date=2024-11-25 |website=HELLO! |language=en}}{{Cite web |last=Mwitumwa |first=Monde |date=2024-10-10 |title=Britain's Got Talent's new judge shares personal struggles during The One Show appearance |url=https://www.express.co.uk/showbiz/tv-radio/1960341/britain-s-got-talent-s-new-judge-ksi-shares-his-personal-battles-therapy-insights/amp |access-date=2024-11-25 |website=Express.co.uk}} was born on 19 June 1993{{Cite tweet |number=1273905601509240832 |user=KSI |title=27 |first=Olajide Olayinka Williams |last=Olatunji |date=2020-06-19 |access-date=2024-11-25}} in London{{Cite web |last1=Ghosh |first1=Shona |last2=Hamilton |first2=Isobel Asher |date=2019-01-13 |title=The rise of KSI, the 26-year-old YouTube millionaire who beat Logan Paul in a professional boxing match |url=https://www.businessinsider.com/who-is-ksi-the-youtube-star-2018-7 |access-date=2024-11-25 |website=Business Insider |language=en-US}} and was raised in Watford, Hertfordshire.{{Cite web |last=Weir |first=Luke |date=2022-08-23 |title=Which school in Hertfordshire did KSI go to and where did he grow up |url=https://www.hertfordshiremercury.co.uk/news/hertfordshire-news/school-hertfordshire-ksi-go-grow-7498790.amp |access-date=2024-11-25 |website=Herts Live |language=en}} His father, Olajide Olatunji, was born in Ibadan, Nigeria. His mother, Olayinka Olatunji (née Atinuke), is from Islington, London.{{Cite web |last=Olatunji |first=Deji |date=4 November 2018 |title=HOW WELL DO I KNOW MY PARENTS?!?! |url=https://www.youtube.com/watch?v=jXFIy3D-x1w&t=113s |archive-url=https://ghostarchive.org/varchive/youtube/20211029/jXFIy3D-x1w |archive-date=2021-10-29 |website=YouTube}}{{cbignore}} He and his parents are from the Yoruba ethnic group. He was educated at Reddiford School{{Cite web |last=Reaidi |first=Joseph |date=2021-07-14 |title=KSI visits his former school during trip down memory lane |url=https://www.harrowtimes.co.uk/news/19442254.ksi-visits-reddiford-school-pinner-talk-pupils/ |access-date=2024-06-18 |website=Harrow Times |language=en}} in Pinner and Berkhamsted School in Berkhamsted, where he met future collaborator and Sidemen member Simon Minter.{{Cite web |last=Ghosh |first=Shona |date=21 July 2018 |title=The rise of KSI, the 25-year-old millionaire who's fighting Logan Paul after inventing YouTube boxing matches |url=https://www.businessinsider.com/who-is-ksi-the-youtube-star-2018-7 |url-status=live |archive-url=https://web.archive.org/web/20180722113240/https://www.businessinsider.com.au/who-is-ksi-the-youtube-star-2018-7 |archive-date=22 July 2018 |access-date=24 May 2019 |website=Business Insider Australia |language=en}}

{{anchor|ComedyShortsGamer}}KSI's younger brother, {{Ill|ComedyShortsGamer|lt=Deji Olatunji|hu|Deji}}, is also a YouTuber previously known as ComedyShortsGamer, and professional boxer. The brothers ranked first and second respectively as the "UK's Most Influential YouTube Creators" by Tubular Labs in 2015.{{Cite web |date=24 October 2015 |title=Two Nigerian Brothers, Olajide & Deji Olatunji Top UK's Most Influential YouTube Creators |url=http://www.informationng.com/2015/10/two-nigerians-olajide-deji-olatunji-top-the-uks-most-influential-creators-on-youtube.html |url-status=live |archive-url=https://web.archive.org/web/20160825232606/http://www.informationng.com/2015/10/two-nigerians-olajide-deji-olatunji-top-the-uks-most-influential-creators-on-youtube.html |archive-date=25 August 2016 |access-date=6 August 2016 |website=Information Nigeria}}{{Cite web |title=Only a third of UK's top 10 most influential YouTuber's traffic originates in UK |url=http://www.thedrum.com/news/2015/10/23/only-third-uks-top-10-most-influential-youtubers-traffic-originates-uk |url-status=live |archive-url=https://web.archive.org/web/20160822124716/http://www.thedrum.com/news/2015/10/23/only-third-uks-top-10-most-influential-youtubers-traffic-originates-uk |archive-date=22 August 2016 |access-date=6 August 2016 |website=The Drum}}

File:KSI goes shooting (crop).jpg in 2012|alt=|right]]

KSI registered his first account on YouTube under the username "JideJunior" in 2008 while in his early teens.{{Cite web |url=https://www.businessinsider.com/who-is-ksi-the-youtube-star-2018-7 |title=The rise of KSI, the 25-year-old millionaire who's fighting Logan Paul after inventing YouTube boxing matches |last=Ghosh |first=Shona |date=21 July 2018 |work=Business Insider Australia |url-status=live |archive-url=https://web.archive.org/web/20180722113240/https://www.businessinsider.com.au/who-is-ksi-the-youtube-star-2018-7 |archive-date=22 July 2018 |access-date=29 October 2019}} He registered his current YouTube account on 24 July 2009 under the name KSI Olajide BT, where he uploaded gaming–commentary videos of the FIFA video game series from his bedroom at his parents' house in Watford. "KSI" stands for Knowledge Strength Integrity,{{Cite web |date=2019-11-06 |title=WHO IS KSI AND WHY IS HE FAMOUS? EVERYTHING TO KNOW ABOUT THE YOUTUBE STAR |url=https://www.dazn.com/en-US/news/boxing/who-is-ksi-why-is-he-famous-everything-to-know-youtube-star/ye4dgu3jn8991lu4wjfs3ocr3 |url-status=live |archive-url=https://web.archive.org/web/20201229024105/https://www.dazn.com/en-US/news/boxing/who-is-ksi-why-is-he-famous-everything-to-know-youtube-star/ye4dgu3jn8991lu4wjfs3ocr3 |archive-date=2020-12-29}} which was taken from a Halo clan.{{Cite news |url=https://www.wired.com/video/watch/ksi-answers-the-webs-most-searched-questions|title=KSI Answers the Web's Most Searched Questions |date=23 March 2023 |access-date=20 June 2024 |magazine=Wired}}

He dropped out of sixth form college to pursue his YouTube career once he was earning steady monthly revenue from his uploads. In an interview in 2014, he recounted asking his teacher whether he should drop-out. His teacher asked how much KSI was making from YouTube, to which KSI answered, "around £1,500 a month", which was more than his teacher earned. His parents initially disapproved, but later became supportive and featured in a number of his videos.{{Cite news |url=https://www.telegraph.co.uk/men/the-filter/meet-the-21-year-old-youtuber-who-made-millions-playing-video-games/ |title=Meet the 21-year-old YouTuber who made millions playing video games |last=Warwick |first=Josh |date=16 October 2014 |access-date=29 October 2019 |url-status=live |archive-url=https://web.archive.org/web/20191029180038/https://www.telegraph.co.uk/men/the-filter/meet-the-21-year-old-youtuber-who-made-millions-playing-video-games/ |archive-date=29 October 2019 |newspaper=The Telegraph}} KSI later uploaded more vlog-style content and played a variety of games and in 2012, the channel reached a million subscribers.{{Cite web |url=https://www.goal.com/en-gb/news/what-is-ksis-net-worth-how-much-does-the-youtuber-earn/1jv39pchfhfdj198era3eg5hfi |title=What is KSI's net worth & how much does the YouTuber earn? |website=goal.com |publisher=GOAL |url-status=live |archive-url=https://web.archive.org/web/20191029213109/https://www.goal.com/en-gb/news/what-is-ksis-net-worth-how-much-does-the-youtuber-earn/1jv39pchfhfdj198era3eg5hfi |archive-date=29 October 2019 |access-date=29 October 2019}}

KSI's rise to fame was not without controversy, with him being widely criticised for his self-described 'rape-face', a recurring joke on his channel during 2012 and 2013. He was the centre of a controversy following third-party allegations of sexual harassment of female staff at a Eurogamer event in 2012, that went so far as accusing him of sexual assaulting a spokesmodel Brandy Brewer, despite her tweeting that she consented to the motorboat, writing, "it's called comedy……relax".{{Cite web |url=http://www.sticktwiddlers.com/2012/10/05/youtube-celeb-ksi-sexually-harasses-attendees-at-expo |title=YouTube Celeb KSI Sexually Harasses Attendees At Expo |last=Cordell |first=Ben |date=5 October 2012 |website=StickTwiddlers |url-status=usurped |archive-url=https://web.archive.org/web/20121010020602/http://sticktwiddlers.com/2012/10/05/youtube-celeb-ksi-sexually-harasses-attendees-at-expo/ |archive-date=10 October 2012}}{{Cite web |url=http://www.kotaku.com.au/2012/10/booth-babes-werent-the-only-embarrassment-at-the-eurogamer-expo |title=Booth Babes Not The Only Embarrassment At Eurogamer Expo |last=Totilo |first=Stephen |date=6 October 2012 |work=Kotaku |url-status=dead |archive-url=https://web.archive.org/web/20131030164556/http://www.kotaku.com.au/2012/10/booth-babes-werent-the-only-embarrassment-at-the-eurogamer-expo/ |archive-date=30 October 2013 |access-date=9 December 2013}} As a result, Microsoft cut ties with KSI and he was banned from Eurogamer events.{{Cite web |url=http://www.kotaku.com.au/2013/11/youtuber-says-he-was-censored-for-criticizing-another-youtuber |title=YouTuber Says He Was Censored For Criticising Another YouTuber |last=Schreier |first=Jason |date=23 November 2013 |work=Kotaku |url-status=dead |archive-url=https://web.archive.org/web/20131213173251/http://www.kotaku.com.au/2013/11/youtuber-says-he-was-censored-for-criticizing-another-youtuber/ |archive-date=13 December 2013 |access-date=9 December 2013}} KSI subsequently apologised "for any offence the video of 15 months ago may have caused in the short time it was on his YouTube channel, references to it since and subsequently used by other people" and stated his desire to move on from the incident and "be judged on the great content and value he gives to brands and partners, without controversy."{{Cite web |url=http://www.eurogamer.net/articles/2013-11-22-youtuber-ksi-dumped-by-microsoft-after-xbox-one-launch-appearance |title=YouTuber KSI dumped by Microsoft after Xbox One launch appearance |last=Yin-Poole |first=Wesley |date=23 November 2013 |website=Eurogamer |url-status=live |archive-url=https://web.archive.org/web/20131209212717/http://www.eurogamer.net/articles/2013-11-22-youtuber-ksi-dumped-by-microsoft-after-xbox-one-launch-appearance |archive-date=9 December 2013 |access-date=9 December 2013}}

In October 2013, KSI signed with Maker Studios' sub-network, Polaris.{{Cite web |url=http://www.tubefilter.com/2013/10/29/captain-sparklez-ksiolajidebt-ali-a-the-bajan-canadian-polaris-maker-studios |title=Captain Sparklez, KSIOlajidebt, Ali-A Among New Polaris Gamers |last=Gutelle |first=Sam |date=29 October 2013 |publisher=Tubefilter |url-status=live |archive-url=https://web.archive.org/web/20131102202757/http://www.tubefilter.com/2013/10/29/captain-sparklez-ksiolajidebt-ali-a-the-bajan-canadian-polaris-maker-studios/ |archive-date=2 November 2013 |access-date=9 December 2013}} Since 19 October 2013, KSI has been part of the British YouTube group known as the Sidemen.{{Cite web |url=https://www.hitc.com/en-gb/2019/09/17/youtube-sidemen-members-ethan-tobi-harry-ksi-miniminter-vik/ |title=YouTube: Get to know all seven Sidemen members |last=Fogarty |first=Paul |website=hitc.com |date=17 September 2019 |publisher=HITC |url-status=live |archive-url=https://web.archive.org/web/20191029183835/https://www.hitc.com/en-gb/2019/09/17/youtube-sidemen-members-ethan-tobi-harry-ksi-miniminter-vik/ |archive-date=29 October 2019 |access-date=29 October 2019}}{{Cite news |date=2020-10-22 |title=Behzinga: How I overcame drinking and depression |language=en-GB |work=BBC News |url=https://www.bbc.com/news/newsbeat-54576448 |access-date=2021-10-17 |archive-date=6 April 2021 |archive-url=https://web.archive.org/web/20210406195239/https://www.bbc.com/news/newsbeat-54576448 |url-status=live }}{{Cite news |last=Billen |first=Andrew |date=23 October 2021 |title=Who are the Sidemen? How KSI and friends amassed 123 million followers |work=The Times |url=https://www.thetimes.com/article/who-are-the-sidemen-how-ksi-and-friends-amassed-123-million-followers-cdnbjjswd |url-status=live |url-access=subscription |access-date=24 October 2021 |archive-url=https://archive.today/20211023194702/https://www.thetimes.co.uk/article/who-are-the-sidemen-how-ksi-and-friends-amassed-123-million-followers-cdnbjjswd |archive-date=23 October 2021}} The group produces online videos, most often consisting of challenges, sketches and video-game commentary, as well as selling exclusive Sidemen merchandise.{{Cite news |url=https://www.thenational.ae/arts-culture/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130 |title=Insomnia Dubai: YouTube stars Sidemen coming to gaming convention |last=Andrews |first=Farah |website=thenational.ae |publisher=The National |url-status=live |archive-url=https://web.archive.org/web/20191027153116/https://www.thenational.ae/arts-culture/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130 |archive-date=27 October 2019 |access-date=27 October 2019}}{{Cite news |url=https://gulfnews.com/going-out/events/youtube-stars-the-sidemen-at-insomnia-dubai-gaming-festival-1.66332042 |title=YouTube stars The Sidemen at Insomnia Dubai Gaming Festival |date=10 September 2019 |work=gulfnews.com |access-date=27 October 2019 |url-status=live |archive-url=https://web.archive.org/web/20191027153117/https://gulfnews.com/going-out/events/youtube-stars-the-sidemen-at-insomnia-dubai-gaming-festival-1.66332042 |archive-date=27 October 2019 |publisher=Gulf News}}{{Cite web|date=2019-09-11|title=Insomnia Dubai: YouTube stars Sidemen coming to gaming convention|url=https://www.thenationalnews.com/arts/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130|access-date=2022-01-05|website=The National|language=en|archive-date=5 January 2022|archive-url=https://web.archive.org/web/20220105201447/https://www.thenationalnews.com/arts/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130|url-status=live}}

In July 2014, KSI and Comedy Central UK launched KSI: Demolished, a five-episode comedy roast web series in which British comedians such as Kojo, Michelle de Swarte, Bobby Mair, and Alex Lowe, take turns to roast KSI.{{Cite web |last=Gutelle |first=Sam |date=2014-07-31 |title=UK YouTube Star KSI Gets Roasted On Comedy Central |url=https://www.tubefilter.com/2014/07/31/ksiollajidebet-ksi-demolished-comedy-central-uk-roast/ |access-date=2024-06-18 |website=Tubefilter |language=en-US}}{{Cite web |last=Guide |first=British Comedy |title=KSI: Demolished - Stand-Up |url=https://www.comedy.co.uk/online/ksi_demolished/ |access-date=2024-06-18 |website=British Comedy Guide |language=en}} In August 2014, KSI was the fourth most popular personality among U.S. teenagers, according to a survey done by Variety.{{Cite web |last=Barraclough |first=Leo |date=2014-08-18 |title=YouTube Star KSI Teams Up with Endemol for Sports Show 'Rule'm Sports' |url=https://variety.com/2014/digital/global/youtube-star-ksi-teams-up-with-endemol-for-sports-show-rulem-sports-1201285177/ |access-date=2024-06-18 |website=Variety |language=en-US}}{{Cite web |last=Ault |first=Susanne |date=2014-08-05 |title=Survey: YouTube Stars More Popular Than Mainstream Celebs Among U.S. Teens |url=https://variety.com/2014/digital/news/survey-youtube-stars-more-popular-than-mainstream-celebs-among-u-s-teens-1201275245/ |access-date=2024-06-18 |website=Variety |language=en-US}} On 18 August 2014, KSI teamed up with Endemol for a new sports show called Rule'm Sports.{{Cite web |last=Brouwer |first=Bree |date=2014-08-18 |title=Endemol Partners With YouTube Gamer KSI On New Sports Channel |url=https://www.tubefilter.com/2014/08/18/ksi-endemol-rulemsports/ |access-date=2024-06-18 |website=Tubefilter |language=en-US}} In October 2014, KSI signed with MLG.tv, a streaming media service focused on gaming and esports, as part of the roster of live streamers.{{Cite web |last=Brouwer |first=Bree |date=2014-10-20 |title=YouTube Star KSI Partners With MLG.tv To Stream Gameplay Sessions |url=https://www.tubefilter.com/2014/10/20/ksi-mlg-tv-streaming/ |access-date=2024-06-18 |website=Tubefilter |language=en-US}} In September 2015, KSI was ranked 15th on Business Insider's list of "The 15 most popular YouTubers in the world".{{Cite web |last1=Kosoff |first1=Maya |last2=Jacobs |first2=Harrison |date=18 September 2015 |title=The 15 most popular YouTubers in the world |url=https://www.businessinsider.com/the-most-popular-youtuber-stars-in-the-world |url-access=subscription |url-status=live |archive-url=https://web.archive.org/web/20241109221845/https://www.businessinsider.com/the-most-popular-youtuber-stars-in-the-world |archive-date=9 November 2024 |access-date=2024-06-18 |website=Business Insider |language=en-US}} A year later in November 2016, he was ranked first on Business Insider's list of "The 19 biggest British YouTube stars".{{Cite web |last=Roberts |first=Hannah |date=24 November 2016 |title=The 19 biggest British YouTube stars |url=https://www.businessinsider.com/the-uks-most-popular-youtube-channels-2016-11 |url-access=subscription |url-status=live |archive-url=https://web.archive.org/web/20231111225905/https://www.businessinsider.com/the-uks-most-popular-youtube-channels-2016-11 |archive-date=11 November 2023 |access-date=2025-01-02 |website=Business Insider |language=en-US}}

On 4 August 2017, KSI tweeted that he would be leaving the Sidemen, citing conflicts with fellow member, Ethan Payne.{{Cite web |title=x.com |url=https://x.com/KSI/status/893339490105794560?lang=en |access-date=2024-06-07 |website=X (formerly Twitter)}} Shortly thereafter, he released a number of diss track videos criticising members of his then-former group, to which most of the members responded back with their own.{{Cite web |url=https://www.polygon.com/2018/1/30/16946272/ksi-joe-weller-youtuber-fight-time-boxing-match |title=YouTubers, FIFA gamers set for momentous boxing match to settle months of drama |last=Alexander |first=Julia |date=30 January 2018 |website=Polygon |publisher=Vox Media |url-status=live |archive-url=https://web.archive.org/web/20180130165229/https://www.polygon.com/2018/1/30/16946272/ksi-joe-weller-youtuber-fight-time-boxing-match |archive-date=30 January 2018 |access-date=30 January 2018}} Later that month, KSI released a video in which he claimed that he was being deported from the United States for receiving an incorrect visa.{{Cite AV media |url=https://www.youtube.com/watch?v=1GfzY3Y3Z7w |title=I'm Getting Deported |date=2017-08-15 |last=KSI |access-date=2024-06-07 |via=YouTube}} In November 2017, KSI released a video discussing whether his supposed falling out with the Sidemen was real or fake, saying, "[the drama] wasn't entirely real but wasn't entirely fake either."

In 2019, he was ranked second by The Sunday Times in its list of the top 100 UK influencers.{{Cite news |url=https://www.thetimes.com/business-money/technology/article/the-sunday-times-influencer-list-2019-meet-the-uks-top-100-hsmhv8dlp |title=The Sunday Times Influencer List 2019: meet the UK's top 100 |date=8 September 2019 |website=The Times |url-status=live |archive-url=https://web.archive.org/web/20191027031200/https://www.thetimes.co.uk/article/the-sunday-times-influencer-list-2019-meet-the-uks-top-100-hsmhv8dlp |archive-date=27 October 2019 |access-date=27 October 2019}} In 2020, The Times named KSI to be Britain's biggest influencer.{{Cite news |last=Aitkenhead |first=Decca |date=12 January 2020 |title=Exclusive interview: who is KSI, Britain's biggest online star? |work=The Times |url=https://www.thetimes.com/uk/social-media/article/ksi-exclusive-interview-0ws8dkqm6 |access-date=6 May 2020 |archive-date=11 May 2020 |archive-url=https://web.archive.org/web/20200511035235/https://www.thetimes.co.uk/article/ksi-exclusive-interview-0ws8dkqm6 |url-status=live }} In April 2021, he was listed among Forbes 30 Under 30 Europe 2021 Entertainment list.{{Cite web |last=Freeman |first=Abigail |title=Emma Corrin, KSI, Girl In Red Star In Forbes 30 Under 30 Europe 2021 Entertainment List |url=https://www.forbes.com/sites/abigailfreeman/2021/04/07/emma-corrin-ksi-girl-in-red-star-in-forbes-30-under-30-europe-2021-entertainment-list/ |access-date=2024-09-11 |website=Forbes |language=en}} In September 2023, Forbes ranked KSI as the second top creator of 2023, earning an estimated $24 million.{{Cite web |last=Bertoni |first=Steven |title=Forbes Top Creators 2023: The Richest On TikTok, Instagram & YouTube |url=https://www.forbes.com/sites/stevenbertoni/2023/09/26/top-creators-2023/ |url-status=live |archive-url=https://web.archive.org/web/20230926194202/https://www.forbes.com/sites/stevenbertoni/2023/09/26/top-creators-2023/?sh=29b3a1f04c0c |archive-date=September 26, 2023 |access-date=September 27, 2023 |website=Forbes}} In July 2024, KSI appeared in a YouTube video challenge by American YouTuber MrBeast titled "50 YouTubers Fight for $1,000,000".{{Cite web |last=Cohen |first=Joshua |date=2024-07-15 |title=MrBeast crosses 300 million YouTube subscribers. He gets 50 of the top creators in the world to compete for $1 million to (kinda) celebrate. |url=https://www.tubefilter.com/2024/07/15/mrbeast-300-million-youtube-subscribers-50-creator-collab/ |access-date=2024-08-15 |website=Tubefilter |language=en-US}}

Having written and produced comedy–rap songs for his YouTube channel in 2011,{{failed verification|reason=Only mentions that he has rapped since 2011, but nothing about writing comedic rap specifically.|date=September 2024}} KSI released his debut single, "Lamborghini", featuring British grime MC P Money, on 23 March 2015, with Dcypha Productions.{{Cite web|title=Lamborghini (feat. P. Money) – Single by KSI & Turkish Dcypha|url=https://music.apple.com/gb/album/lamborghini-feat-p-money-single/1360354765|date=23 March 2015|website=Apple Music|access-date=23 March 2015|archive-date=13 February 2020|archive-url=https://web.archive.org/web/20200213020639/https://music.apple.com/gb/album/lamborghini-feat-p-money-single/1360354765|url-status=live}} The song charted at number 30 on the UK Singles Chart, and It dropped to number 68 and number 96 over the following two weeks, before dropping out of the top 100.{{Cite web|title=KSI {{!}} full Official Chart History|date=4 April 2015 |url=https://www.officialcharts.com/artist/48106/ksi/|access-date=19 March 2021|publisher=Official Charts Company|archive-date=14 May 2020|archive-url=https://web.archive.org/web/20200514072020/https://www.officialcharts.com/artist/48106/ksi/|url-status=live}}

"Keep Up", the title song for KSI's debut extended play of the same name, featuring Jme, was released on 13 November 2015,{{Cite web|title=Keep Up (feat. JME) – Single by KSI|url=https://music.apple.com/gb/album/keep-up-ep/1445121636|date=13 November 2015|website=Apple Music|access-date=13 November 2015|archive-date=12 January 2020|archive-url=https://web.archive.org/web/20200112105844/https://music.apple.com/gb/album/keep-up-ep/1445121636|url-status=live}} reaching number 45 on the UK Singles Chart. The full EP was released on 8 January 2016, through Island Records, debuting at number 13 on the UK Albums Chart and number one on the UK R&B Albums Chart.{{Cite web|title=Keep Up – EP by KSI|url=https://music.apple.com/gb/album/keep-up-ep/1445121636|date=8 January 2016|website=Apple Music|access-date=8 January 2016|archive-date=12 January 2020|archive-url=https://web.archive.org/web/20200112105844/https://music.apple.com/gb/album/keep-up-ep/1445121636|url-status=live}}{{Cite web|title=Official R&B Albums Chart Top 40|url=http://www.officialcharts.com/charts/r-and-b-albums-chart/20160115/115/|date=15 January 2016|website=Official Charts Company|access-date=15 January 2016|archive-date=18 April 2019|archive-url=https://web.archive.org/web/20190418044536/https://www.officialcharts.com/charts/r-and-b-albums-chart/20160115/115/|url-status=live}}

On 29 April 2016, KSI released "Goes Off", featuring Mista Silva, as the first single from his second EP titled Jump Around.{{cite web|title=Goes Off (feat. Mista Silva) – Single by KSI|url=https://music.apple.com/us/album/goes-off-feat-mista-silva-single/1445157674|work=Apple Music|date=29 April 2016|access-date=15 February 2020|archive-date=29 February 2020|archive-url=https://web.archive.org/web/20200229012133/https://music.apple.com/us/album/goes-off-feat-mista-silva-single/1445157674|url-status=live}} The EP's second single, "Friends with Benefits", featuring MNDM, was released on 29 July 2016,{{cite web|title=Friends with Benefits – Single by KSI & MNDM|url=https://music.apple.com/gb/album/friends-with-benefits-single/1444865364|date=29 July 2016|website=Apple Music|access-date=29 July 2016|archive-date=24 May 2019|archive-url=https://web.archive.org/web/20190524014937/https://music.apple.com/gb/album/friends-with-benefits-single/1444865364|url-status=live}}{{Cite web|title=Check Out KSI's Music Video For 'Friends With Benefits (FWB)' HERE|url=https://www.mtv.co.uk/news/xikg4s/check-out-ksis-music-video-for-friends-with-benefits-fwb-here|date=5 August 2016|website=MTV|language=en|access-date=5 August 2016|archive-date=7 August 2016|archive-url=https://web.archive.org/web/20160807004140/http://www.mtv.co.uk/ksi/news/check-out-ksis-music-video-for-friends-with-benefits-fwb-here|url-status=live}} reaching number 69 on the UK Singles Chart. The full EP was released on 28 October 2016 through Island Records.{{cite web|title=Jump Around – EP by KSI|url=https://music.apple.com/gb/album/jump-around-ep/1445033007|date=28 October 2016|work=Apple Music|access-date=28 October 2016|archive-date=12 January 2020|archive-url=https://web.archive.org/web/20200112124858/https://music.apple.com/gb/album/jump-around-ep/1445033007|url-status=live}} One of the EP's songs, "Touch Down", featuring rapper and singer Stefflon Don, appeared on the soundtrack of the 2017 film Baywatch.{{Cite web|date=5 May 2017|title=Baywatch (Music from the Motion Picture) by Various Artists|url=https://music.apple.com/gb/album/baywatch-music-from-the-motion-picture/1230951753|access-date=5 May 2017|website=Apple Music|archive-date=29 August 2022|archive-url=https://web.archive.org/web/20220829174916/https://music.apple.com/gb/album/baywatch-music-from-the-motion-picture/1440895372|url-status=live}}

File:KSI2019.jpg in 2019]]

On 23 June 2017, KSI independently released "Creature",{{cite web|title=Creature – Single by KSI|url=https://music.apple.com/gb/album/creature-single/1483512060|date=23 June 2017|website=Apple Music|access-date=27 June 2017|archive-date=19 April 2022|archive-url=https://web.archive.org/web/20220419074858/https://music.apple.com/gb/album/creature-single/1483512060|url-status=live}} which reached number 100 on the UK Singles Chart. "Creature" was the first single from KSI's third EP, Space, which was released independently on 30 June 2017.{{Cite web|title=Space – EP by KSI|url=https://music.apple.com/gb/album/space-ep/1483539004|date=30 June 2017|website=Apple Music|access-date=30 June 2017|archive-date=12 January 2020|archive-url=https://web.archive.org/web/20200112105838/https://music.apple.com/gb/album/space-ep/1483539004|url-status=live}} On 6 October that year, KSI released his fourth EP, Disstracktions, which includes diss tracks against fellow Sidemen members W2S and Behzinga.{{cite web|title=Disstracktions – EP by KSI|url=https://music.apple.com/gb/album/disstracktions-ep/1440882143|date=29 September 2017|work=Apple Music|access-date=29 September 2017|archive-date=7 February 2019|archive-url=https://web.archive.org/web/20190207015257/https://itunes.apple.com/gb/album/disstracktions-ep/id1287129734|url-status=live}} The EP reached number 31 on the UK Albums Chart and number one on the UK R&B Albums Chart.{{Cite web|title=Official R&B Albums Chart Top 40|url=https://www.officialcharts.com/charts/r-and-b-albums-chart/20171006/115/|date=6 October 2017|website=Official Charts Company|language=en|access-date=6 October 2017|archive-date=22 April 2019|archive-url=https://web.archive.org/web/20190422040420/https://www.officialcharts.com/charts/r-and-b-albums-chart/20171006/115/|url-status=live}} One week before its release, KSI announced that the EP would be his "final release" with Island Records and that he would be releasing music independently.{{Cite tweet|user=KSIOlajidebt|number=911189818058706944|title=As some of you know, I signed a 3 EP deal with Island Records, and this will be my final release with them before I go {{as written|indepe|ndant [sic]}}.|date=22 September 2017|access-date=22 September 2017|author=KSI}}

On 2 February 2018, KSI released "Uncontrollable", featuring Big Zuu.{{cite web|title=Uncontrollable (feat. Big Zuu) – Single by KSI|url=https://music.apple.com/gb/album/uncontrollable-feat-big-zuu-single/1483512010|date=2 February 2018|website=Apple Music|access-date=2 February 2018|archive-date=5 February 2020|archive-url=https://web.archive.org/web/20200205192123/https://music.apple.com/gb/album/uncontrollable-feat-big-zuu-single/1483512010|url-status=live}} The song played during KSI's ring walk for his boxing fight against Joe Weller{{Cite web|title=KSI Wins Boxing Match Against Joe Weller|url=https://teneightymagazine.com/2018/02/03/ksi-wins-boxing-match-against-joe-weller-true-geordie/|date=3 February 2018|website=TenEighty|language=en|access-date=3 February 2018|archive-date=6 February 2018|archive-url=https://web.archive.org/web/20180206003743/https://teneightymagazine.com/2018/02/03/ksi-wins-boxing-match-against-joe-weller-true-geordie/|url-status=live}} and charted at number 89 on the UK Singles Chart. KSI released "On Point" on 17 August 2018,{{cite web|title=On Point – Single by KSI|url=https://music.apple.com/gb/album/on-point-single/1483539661|date=17 August 2018|website=Apple Music|access-date=17 August 2018|archive-date=12 January 2020|archive-url=https://web.archive.org/web/20200112104327/https://music.apple.com/gb/album/on-point-single/1483539661|url-status=live}} which was played during his ring walk for his second boxing bout.{{cite web|title=KSI and Logan Paul call for rematch as they are both declared the winner|url=https://metro.co.uk/2018/08/25/ksi-and-logan-paul-call-for-rematch-as-they-are-both-declared-the-winner-7882823/|date=25 August 2018|website=Metro|language=en|access-date=25 August 2018|archive-date=26 August 2018|archive-url=https://web.archive.org/web/20180826014442/https://metro.co.uk/2018/08/25/ksi-and-logan-paul-call-for-rematch-as-they-are-both-declared-the-winner-7882823/|url-status=live}}{{multiple image

| width = 150

| image1 = KSI performing 2019.png

| alt1 = KSI performing in 2019

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| footer = KSI performing in 2019 on his New Age tour

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On 12 April 2019, KSI released a collaborative album with Randolph titled New Age.{{cite web|title=New Age by Randolph & KSI|url=https://music.apple.com/gb/album/new-age/1458047012|date=12 April 2019|website=Apple Music|access-date=12 April 2019|archive-date=27 May 2019|archive-url=https://web.archive.org/web/20190527214648/https://music.apple.com/gb/album/new-age/1458047012|url-status=live}} It debuted at number 17 on the UK Albums Chart and at number one on the UK R&B Albums Chart.{{Cite web|title=KSI & Randolph {{!}} full Official Chart History|url=https://www.officialcharts.com/artist/54858/ksi-and-randolph/|date=19 April 2019|website=Official Charts Company|access-date=19 April 2019|archive-date=22 April 2019|archive-url=https://web.archive.org/web/20190422040450/https://www.officialcharts.com/artist/54858/ksi-and-randolph/|url-status=live}}{{Cite web|title=Official R&B Albums Chart Top 40|url=https://www.officialcharts.com/charts/r-and-b-albums-chart/20190419/115/|date=19 April 2019|website=Official Charts Company|language=en|access-date=19 April 2019|archive-date=18 October 2019|archive-url=https://web.archive.org/web/20191018000254/https://www.officialcharts.com/charts/r-and-b-albums-chart/20190419/115/|url-status=live}}

On 4 November 2019, it was announced that KSI had signed with RBC Records and BMG to "take [his] music to the next level" and "further develop his music career in the US and internationally". In addition to managing KSI's future releases, it was confirmed that the label would be administering and reissuing KSI's independent catalogue recordings. That day, it was confirmed that KSI had already started recording his debut studio album.{{Cite web|last=Paine|first=Andre|date=5 November 2019|title=Artist and YouTube personality KSI signs with BMG|url=https://www.musicweek.com/labels/read/artist-and-youtube-personality-ksi-signs-with-bmg/077981|url-status=live|archive-url=https://web.archive.org/web/20191112123528/https://www.musicweek.com/labels/read/artist-and-youtube-personality-ksi-signs-with-bmg/077981|archive-date=12 November 2019|access-date=5 November 2019|website=Music Week}} On 8 November 2019, "Down Like That", featuring Rick Ross, Lil Baby and S-X, was released as the album's lead single.{{Cite web|last=Findlay|first=Mitch|date=7 November 2019|title=KSI Lands Rick Ross & Lil Baby For 'Down Like That'|url=https://www.hotnewhiphop.com/ksi-lands-rick-ross-and-lil-baby-for-down-like-that-new-song.1985114.html|url-status=live|archive-url=https://web.archive.org/web/20191127181456/https://www.hotnewhiphop.com/ksi-lands-rick-ross-and-lil-baby-for-down-like-that-new-song.1985114.html|archive-date=27 November 2019|access-date=8 November 2019|website=HotNewHipHop}} It was performed live by the three featured artists as KSI's entrance music for his boxing rematch against Logan Paul.{{Cite web|last=Hamdami|first=Adam|date=10 November 2019|title=KSI vs Logan Paul ring walk: Rick Ross to perform new song 'Down Like That' ahead of rematch tonight|url=https://www.independent.co.uk/sport/general/boxing/ksi-vs-logan-paul-fight-ring-walk-entrance-music-rick-ross-lil-baby-down-like-that-new-song-a9196926.html|url-status=live|archive-url=https://web.archive.org/web/20201227095023/https://www.independent.co.uk/sport/general/boxing/ksi-vs-logan-paul-fight-ring-walk-entrance-music-rick-ross-lil-baby-down-new-song-a9196926.html|archive-date=27 December 2020|access-date=10 November 2019|website=The Independent}}

The song peaked at number 10 on the UK Singles Chart and it has been certified silver by the British Phonographic Industry (BPI) for sales of 200,000 units in the country.{{cite web|date=2020-02-21|title=Ksi Ft Rick Ross, Lil Baby & S-X – Down Like That|url=https://www.bpi.co.uk/award/16220-5188-1/|access-date=2020-02-21|publisher=British Phonographic Industry|archive-date=27 February 2020|archive-url=https://web.archive.org/web/20200227171703/https://www.bpi.co.uk/award/16220-5188-1|url-status=live}} On 15 December KSI, Miniminter, TBJZL, and Zerkaa released a Christmas themed single titled "The Gift" under the Sidemen banner featuring S-X which charted at number 77 in the UK.{{Cite web |date=26 December 2019 |title=UK Singles Chart |url=https://www.officialcharts.com/artist/56873/sidemen/ |url-status=live |archive-url=https://web.archive.org/web/20191220192010/https://www.officialcharts.com/artist/56873/sidemen/ |archive-date=20 December 2019 |access-date=4 January 2020 |publisher=Official Charts Company}} A further three singles preceded the album: "Wake Up Call", featuring Trippie Redd, which debuted at number 11 on the UK Singles Chart; "Poppin", featuring Lil Pump and Smokepurpp, which charted at number 43 in the UK; and "Houdini", featuring Swarmz and Tion Wayne, which debuted at number six on the UK Singles Chart and received a silver certification from the BPI.{{cite web|date=2020-07-31|title=Ksi Ft Swarmz & Tion Wayne – Houdini|url=https://www.bpi.co.uk/award/16580-5325-1|access-date=2020-07-31|publisher=British Phonographic Industry|archive-date=19 December 2021|archive-url=https://web.archive.org/web/20211219000814/https://www.bpi.co.uk/award/16580-5325-1|url-status=live}}

KSI's debut studio album, titled Dissimulation, was released on 22 May 2020.{{Cite web|title=KSI Releases New Solo Debut Album "Dissimulation"|url=https://respect-mag.com/2020/05/ksi-releases-new-solo-debut-album-dissimulation/|date=22 May 2020|website=RESPECT|access-date=22 May 2020|archive-date=1 June 2020|archive-url=https://web.archive.org/web/20200601234837/https://respect-mag.com/2020/05/ksi-releases-new-solo-debut-album-dissimulation/|url-status=live}} The album debuted at number two on the UK Albums Chart and further charted in 15 other countries. It was the UK's best-selling debut album by a British artist in 2020 and it has been certified gold by the BPI for sales of 100,000 units in the country.{{Cite web|date=4 January 2021|title=The Official Top 10 biggest debut albums of 2020|url=https://www.officialcharts.com/chart-news/the-official-top-10-biggest-debut-albums-of-2020__32048/|archive-url=https://web.archive.org/web/20210104185720/https://www.officialcharts.com/chart-news/the-official-top-10-biggest-debut-albums-of-2020__32048/|archive-date=4 January 2021|access-date=4 January 2021|website=Official Charts Company|language=en}}{{cite web|date=2020-07-31|title=Ksi – Dissimulation|url=https://www.bpi.co.uk/award/16570-5321-2|access-date=2020-07-31|publisher=British Phonographic Industry|archive-date=17 September 2020|archive-url=https://web.archive.org/web/20200917002022/https://www.bpi.co.uk/award/16570-5321-2|url-status=live}} The album spawned two further UK top 40 singles, "Cap", featuring Offset, and "Killa Killa", featuring Aiyana-Lee. KSI was scheduled to perform at Parklife, Longitude and Reading and Leeds music festivals in 2020 to promote Dissimulation, but these were later cancelled due to the COVID-19 pandemic.{{Cite web|date=28 January 2020|title=Parklife announces full 2020 line-up including headliners Skepta and Lewis Capaldi|url=https://www.nme.com/festivals/parklife-announces-full-2020-line-up-including-headliners-skepta-and-lewis-capaldi-2602293|access-date=28 January 2020|publisher=NME|language=en|archive-date=28 January 2020|archive-url=https://web.archive.org/web/20200128204152/https://www.nme.com/festivals/parklife-announces-full-2020-line-up-including-headliners-skepta-and-lewis-capaldi-2602293|url-status=live}}{{Cite web|date=21 February 2020|title=YouTuber turned rapper KSI self-confirms for Longitude 2020|url=https://www.goldenplec.com/youtuber-turned-rapper-ksi-self-confirms-for-longitude-2020/|access-date=21 February 2020|publisher=GoldenPlec|language=en|archive-date=29 August 2022|archive-url=https://web.archive.org/web/20220829174916/https://www.goldenplec.com/youtuber-turned-rapper-ksi-self-confirms-for-longitude-2020/|url-status=live}}{{Cite web|date=11 February 2020|title=Reading and Leeds Festival line-up: Who is performing? How to get tickets|url=https://www.express.co.uk/entertainment/music/1240629/reading-leeds-festival-line-up-how-to-get-tickets-stormzy-liam-gallagher-headliners|access-date=11 February 2020|publisher=Daily Express|language=en|archive-date=12 February 2020|archive-url=https://web.archive.org/web/20200212094652/https://www.express.co.uk/entertainment/music/1240629/reading-leeds-festival-line-up-how-to-get-tickets-stormzy-liam-gallagher-headliners|url-status=live}}

KSI featured on "Lighter" by British DJ and record producer Nathan Dawe.{{Cite web|last=White|first=Jack|date=12 August 2020|title=Nathan Dawe talks working with KSI and Ella Henderson on new single Lighter|url=https://www.officialcharts.com/chart-news/nathan-dawe-talks-working-with-ksi-and-ella-henderson-on-new-single-lighter__30725/|url-status=live|archive-url=https://web.archive.org/web/20200812185439/https://www.officialcharts.com/chart-news/nathan-dawe-talks-working-with-ksi-and-ella-henderson-on-new-single-lighter__30725/|archive-date=12 August 2020|access-date=12 August 2020|publisher=Official Charts Company}} The song peaked at number three on the UK Singles Chart and became one of the UK's best-selling songs of 2020.{{Cite web|date=4 January 2021|title=The Official Top 40 biggest songs of 2020|url=https://www.officialcharts.com/chart-news/the-official-top-40-biggest-songs-of-2020__29264/|url-status=live|archive-url=https://web.archive.org/web/20210104193834/https://www.officialcharts.com/chart-news/the-official-top-40-biggest-songs-of-2020__29264/|archive-date=4 January 2021|access-date=4 January 2021|publisher=Official Charts Company}} It has been certified platinum by the BPI for sales of 600,000 units in the UK and it was nominated for Best British Single at the 2021 BRIT Awards.{{Cite web|date=2021-01-01|title=Nathan Dawe Ft Ksi – Lighter|url=https://www.bpi.co.uk/award/16679-5371-1|access-date=2021-01-01|publisher=British Phonographic Industry|archive-date=19 December 2021|archive-url=https://web.archive.org/web/20211219000810/https://www.bpi.co.uk/award/16679-5371-1|url-status=live}}{{Cite web|date=31 March 2021|title=Brits 2021: Full list of award nominees|url=https://www.bbc.co.uk/news/entertainment-arts-56595220|url-status=live|archive-url=https://web.archive.org/web/20210331154548/https://www.bbc.com/news/entertainment-arts-56595220|archive-date=31 March 2021|access-date=31 March 2021|publisher=BBC News}} KSI also featured on "Loose" by Zimbabwean-British artist S1mba, which peaked at number 14 on the UK Singles Chart.{{Cite web|date=5 April 2021|title=S1MBA teams up with KSI for his new single Loose|url=https://amnplify.com.au/s1mba-teams-up-with-ksi-for-his-new-single-loose/|access-date=5 April 2021|archive-date=1 November 2020|archive-url=https://web.archive.org/web/20201101153712/https://amnplify.com.au/s1mba-teams-up-with-ksi-for-his-new-single-loose/|url-status=live}}

File:JJ Olatunji (KSI) 6.jpg

On 23 October 2020, KSI released the first single from his second album, "Really Love" featuring Craig David and Digital Farm Animals, which peaked at number three on the UK Singles Chart and has been certified gold by the BPI.{{Cite web|last=White|first=Jack|date=29 October 2020|title=KSI talks new single Really Love with Craig David, confirms new album to be released in 2021|url=https://www.officialcharts.com/chart-news/ksi-talks-new-single-really-love-with-craig-david-confirms-new-album-to-be-released-in-2021__31485/|url-status=live|archive-url=https://web.archive.org/web/20201101022841/https://www.officialcharts.com/chart-news/ksi-talks-new-single-really-love-with-craig-david-confirms-new-album-to-be-released-in-2021__31485/|archive-date=1 November 2020|access-date=29 October 2020|publisher=Official Charts Company}} On 15 January 2021, KSI released the album's second single, "Don't Play" with Anne-Marie and Digital Farm Animals. The song debuted at number two on the UK Singles Chart, becoming KSI's highest-charting single in the UK to date, and has been certified platinum by the BPI.{{cite web|date=15 January 2021|title=Anne-Marie, KSI & Digital Farm Animals release new single Don't Play|url=https://celebmix.com/anne-marie-ksi-dfa-single/|access-date=15 January 2021|website=Celeb Mix|archive-date=15 January 2021|archive-url=https://web.archive.org/web/20210115151447/https://celebmix.com/anne-marie-ksi-dfa-single/|url-status=live}}{{cite web|date=5 March 2021|title=Certification of Don't Play|url=https://www.bpi.co.uk/award/5025-5634-1|access-date=11 June 2021|website=British Phonographic Industry|archive-date=11 June 2021|archive-url=https://web.archive.org/web/20210611175725/https://www.bpi.co.uk/award/5025-5634-1|url-status=live}} On 12 March 2021, KSI released the album's third single, "Patience" featuring Yungblud and Polo G, which debuted at number 3 on the UK Singles Chart and has been certified silver by the BPI.{{cite web|date=12 March 2021|title=Listen to KSI and Yungblud's new collaboration 'Patience' with Polo G|url=https://www.nme.com/en_au/news/music/listen-ksi-yungblud-new-collaboration-patience-polo-g-2900083|access-date=16 March 2021|website=nme|archive-date=15 March 2021|archive-url=https://web.archive.org/web/20210315123205/https://www.nme.com/en_au/news/music/listen-ksi-yungblud-new-collaboration-patience-polo-g-2900083|url-status=live}}{{cite web|date=11 June 2021|title=Certification of Patience|url=https://www.bpi.co.uk/award/17070-5535-1|access-date=5 March 2021|website=British Phonographic Industry|archive-date=1 October 2021|archive-url=https://web.archive.org/web/20211001134654/https://www.bpi.co.uk/award/17070-5535-1|url-status=live}} On 26 April 2021, KSI announced via his social media the release of his second album All Over the Place, which was released on 16 July that year.{{cite web|date=26 April 2021|title=KSI announces second album All Over the Place for release this summer|url=https://www.officialcharts.com/chart-news/ksi-announces-second-album-all-over-the-place-for-release-this-summer__32981/|access-date=26 April 2021|website=Official Charts UK|archive-date=26 April 2021|archive-url=https://web.archive.org/web/20210426110235/https://www.officialcharts.com/chart-news/ksi-announces-second-album-all-over-the-place-for-release-this-summer__32981/|url-status=live}} It debuted at number 1 on the UK Album Charts, giving KSI his first-ever chart-topper, and has been certified gold by the BPI for surpassing 100,000 sales in the country.{{cite web|date=28 August 2021|title=Certification of All Over the Place|url=https://www.bpi.co.uk/award/17461-5321-2|access-date=28 August 2021|website=British Phonographic Industry|archive-date=27 August 2021|archive-url=https://web.archive.org/web/20210827233436/https://www.bpi.co.uk/award/17461-5321-2|url-status=live}} On 18 June 2021, KSI released the album's fourth single, "Holiday", which was only featured on the platinum edition of the album. The song debuted at number 2 on the UK Singles Chart, making it KSI's highest-charting solo single to date.{{cite web|date=17 June 2021|title=KSI's new single Holiday is an uplifting, post-pandemic singalong: First listen preview|url=https://www.officialcharts.com/chart-news/ksis-new-single-holiday-is-an-uplifting-post-pandemic-singalong-first-listen-preview__33386/|access-date=19 June 2021|website=Official Charts|archive-date=18 June 2021|archive-url=https://web.archive.org/web/20210618170830/https://www.officialcharts.com/chart-news/ksis-new-single-holiday-is-an-uplifting-post-pandemic-singalong-first-listen-preview__33386/|url-status=live}}{{cite web|date=11 June 2021|title=All Over the Place (Platinum Edition) on Apple Music|url=https://music.apple.com/us/album/all-over-the-place-platinum-edition/1571172636|access-date=19 June 2021|website=Apple Music|archive-date=15 June 2021|archive-url=https://web.archive.org/web/20210615152622/https://music.apple.com/us/album/all-over-the-place-platinum-edition/1571172636|url-status=live}}{{cite web|date=25 June 2021|title=Olivia Rodrigo reclaims Official Chart Double, KSI's Holiday scores highest new entry|url=https://www.officialcharts.com/chart-news/olivia-rodrigo-reclaims-official-chart-double-ksis-holiday-scores-highest-new-entry__33452/|access-date=26 June 2021|website=Official Charts|archive-date=25 June 2021|archive-url=https://web.archive.org/web/20210625171654/https://www.officialcharts.com/chart-news/olivia-rodrigo-reclaims-official-chart-double-ksis-holiday-scores-highest-new-entry__33452/|url-status=live}} On 6 August 2021, KSI released the album's fifth single, "Lose" with American rapper Lil Wayne, and was the lead single for the deluxe edition of the album, which was released on 27 August.{{Cite magazine|last=Blistein|first=Jon|date=2021-08-06|title=KSI, Lil Wayne Kick Back on a Therapist's Chair in Video for New Song 'Lose'|url=https://www.rollingstone.com/music/music-news/ksi-lil-wayne-new-song-lose-1208133/|access-date=2021-10-08|magazine=Rolling Stone|language=en-US|archive-date=8 October 2021|archive-url=https://web.archive.org/web/20211008062017/https://www.rollingstone.com/music/music-news/ksi-lil-wayne-new-song-lose-1208133/|url-status=live}} The single peaked at number 18 on the UK Singles Chart and also debuted at number 86 on the Billboard Hot 100, becoming KSI's first ever single to enter that chart.{{Cite web|date=2021-08-19|title=New Around the World: England's KSI Wins With Lil Wayne Collab 'Lose'|url=https://www.billboard.com/pro/ksi-lil-wayne-lose-global-charts-debut|access-date=2021-10-08|website=www.billboard.com|language=en|archive-date=9 October 2021|archive-url=https://web.archive.org/web/20211009094525/https://www.billboard.com/amp/articles/business/chart-beat/9616985/ksi-lil-wayne-lose-global-charts-debut|url-status=live}}

On 6 May 2022, KSI featured on "Locked Out" by S-X. The single is S-X's third single for his debut album.{{Cite web |title=First Listen: S-X and KSI team up on irresistibly-catchy Locked Out |url=https://www.officialcharts.com/chart-news/ksi-and-s-x-team-up-on-irresistibly-catchy-new-single-locked-out-exclusive-first-listen__36249/ |access-date=2022-05-05 |website=www.officialcharts.com |language=en |archive-date=5 May 2022 |archive-url=https://web.archive.org/web/20220505144525/https://www.officialcharts.com/chart-news/ksi-and-s-x-team-up-on-irresistibly-catchy-new-single-locked-out-exclusive-first-listen__36249/ |url-status=live }} "Locked Out" became S-X's first single to chart in the UK Official Charts which peaked at number 53. On 30 May, it was announced that KSI had signed with Atlantic Records and Warner Music UK "following his huge collaboration with Anne-Marie on Don't Play".{{Cite web |last=Paine |first=Andre |date=30 May 2022 |title=Atlantic Records' leadership team on their Music Week Awards triumph |url=https://www.musicweek.com/labels/read/atlantic-records-leadership-team-on-their-music-week-awards-triumph/085904 |website=Music Week |access-date=5 June 2022 |archive-date=5 June 2022 |archive-url=https://web.archive.org/web/20220605190830/https://www.musicweek.com/labels/read/atlantic-records-leadership-team-on-their-music-week-awards-triumph/085904 |url-status=live }} On 5 August, KSI released "Not Over Yet" featuring Tom Grennan.{{Cite web |last=KSI |date=22 July 2022 |title=Pre Order "It's Not Over Yet" Now 🙌🏿 |url=https://twitter.com/KSI/status/1550524724886867968 |website=Twitter |access-date=22 July 2022 |archive-date=22 July 2022 |archive-url=https://web.archive.org/web/20220722185033/https://twitter.com/KSI/status/1550524724886867968 |url-status=live }} "Not Over Yet" charted at number four on the UK Single Charts, and debuted at number one on The Official Big Top 40.{{Cite web |title=KSI & Tom Grennan vs LF SYSTEM: Who's nabbed the UK's Number 1 single? |url=https://www.officialcharts.com/chart-news/ksi-and-tom-grennan-earn-highest-new-entry-with-not-over-yet-while-lf-system-s-afraid-to-feel-secures-sixth-week-as-the-uk-s-number-1-single__37141/ |access-date=2022-08-23 |website=www.officialcharts.com |language=en |archive-date=23 August 2022 |archive-url=https://web.archive.org/web/20220823154009/https://www.officialcharts.com/chart-news/ksi-and-tom-grennan-earn-highest-new-entry-with-not-over-yet-while-lf-system-s-afraid-to-feel-secures-sixth-week-as-the-uk-s-number-1-single__37141/ |url-status=live }}{{Cite web |title=KSI and Tom Grennan's Not Over Yet is the UK's Number 1 Trending Song |url=https://www.officialcharts.com/chart-news/ksi-and-tom-grennans-not-over-yet-is-the-uks-number-1-trending-song__37099/ |access-date=2022-08-26 |website=www.officialcharts.com |language=en |archive-date=26 August 2022 |archive-url=https://web.archive.org/web/20220826072627/https://www.officialcharts.com/chart-news/ksi-and-tom-grennans-not-over-yet-is-the-uks-number-1-trending-song__37099/ |url-status=live }} The single marked the first record under Atlantic Records. A remix featuring Headie One and Nines released on 28 August and served as KSI's ring walk tune in his bout against Luis Alcaraz Pineda on 27 August.{{Cite web |last=DAILY |first=GRM |date=2022-08-27 |title=KSI Enlists Headie One & Nines On Huge "Not Over Yet" Remix |url=https://grmdaily.com/ksi-headie-one-nines-not-over-yet-remix/ |access-date=2022-09-02 |website=GRM Daily |language=en-GB |archive-date=27 August 2022 |archive-url=https://web.archive.org/web/20220827215127/https://grmdaily.com/ksi-headie-one-nines-not-over-yet-remix/ |url-status=live }} On 30 September, KSI released "Summer Is Over."{{Cite web |date=2022-09-29 |title="It's really personal" YouTuber and Rapper KSI teases his upcoming project with a release date |url=https://www.essentiallysports.com/esports-news-its-really-personal-youtuber-and-rapper-ksi-teases-his-upcoming-project-with-a-release-date/ |access-date=2022-09-29 |website=EssentiallySports |archive-date=29 September 2022 |archive-url=https://web.archive.org/web/20220929195036/https://www.essentiallysports.com/esports-news-its-really-personal-youtuber-and-rapper-ksi-teases-his-upcoming-project-with-a-release-date/ |url-status=live }} On 5 December, KSI, TBJZL, and Vikkstar123 released a Christmas-themed single titled "Christmas Drillings" under the Sidemen banner featuring Jme, which charted at number 3 in the UK.{{Cite news |last=Ben Mundy |first=Sam Harris |date=2022-12-22 |title=Christmas number one: Sidemen and JME's quest for top spot |url=https://www.bbc.com/news/newsbeat-64053556 |access-date=2024-05-27 |work=BBC |language=en-GB |archive-date=27 May 2024 |archive-url=https://web.archive.org/web/20240527021453/https://www.bbc.com/news/newsbeat-64053556 |url-status=live }}{{Cite web |date=2022-12-15 |title=CHRISTMAS DRILLINGS |url=https://www.officialcharts.com/songs/sidemen-christmas-drillings/ |access-date=2024-05-27 |website=Official Charts |language=en |archive-date=27 May 2024 |archive-url=https://web.archive.org/web/20240527021454/https://www.officialcharts.com/songs/sidemen-christmas-drillings/ |url-status=live }} On 27 January 2023, KSI released "Voices" featuring Oliver Tree.{{Cite web |title=KSI and Oliver Tree battle break-up demons on Voices: Exclusive First Listen |url=https://www.officialcharts.com/chart-news/ksi-featuring-oliver-trees-voices-exclusive-first-listen__38352/ |access-date=2023-01-27 |website=www.officialcharts.com |language=en |archive-date=26 January 2023 |archive-url=https://web.archive.org/web/20230126193700/https://www.officialcharts.com/chart-news/ksi-featuring-oliver-trees-voices-exclusive-first-listen__38352/ |url-status=live }} On 13 May, KSI released "Easy" with Bugzy Malone and R3HAB which served as KSI's ring walk tune in his bout against Joe Fournier on the same night.{{Cite web |date=13 May 2023 |title=KSI enlists Bugzy Malone & R3HAB on brand-new single "Easy" |url=https://grmdaily.com/ksi-bugzy-malone-r3hab-easy/ |website=GRM Daily |access-date=14 May 2023 |archive-date=14 May 2023 |archive-url=https://web.archive.org/web/20230514090016/https://grmdaily.com/ksi-bugzy-malone-r3hab-easy/ |url-status=live }}

On 31 August 2024, KSI performed a two-part concert at MF & DAZN: X Series 17, in which he previewed two unreleased singles, "Low" and "Thick of It" , featuring Trippie Redd.{{Cite web |date=2 September 2024 |title=KSI concert tops unforgettable X Series 17 in Dublin |url=https://www.ringnews24.com/2024/09/02/ksi-concert-tops-unforgettable-x-series-17-in-dublin/ |website=Ring News 24}} On 3 October, KSI released both songs as a double-single release, the latter of which was subjected to negative reception and mockery.{{Cite web |date=3 October 2024 |title=Thick Of It / Low |url=https://music.apple.com/us/search?term=KSI |website=Apple Music}}{{Cite web |last=Pete |first=Pistol |date=2024-10-10 |title=KSI Plays Into Hate to Keep Buzz Alive for New Single |url=https://hiphopcanada.com/ksi-plays-into-hate-forced/ |access-date=2025-01-01 |website=HipHopCanada.com |language=en-CA}} On 19 November, KSI received BRIT Billion Award for amassing over one billion music streams in the UK.{{Cite web |date=2024-11-19 |title=KSI receives BRIT Billion Award: "This is surreal!" |url=https://www.officialcharts.com/chart-news/ksi-brit-billion-award/ |access-date=2025-02-27 |website=Official Charts |language=en}} On 13 December, KSI released his third single of the year, "Dirty", which had previously been leaked in July 2024.{{Cite web |date=13 December 2024 |title=Dirty - Single |url=https://music.apple.com/us/album/dirty/1783509360?i=1783509361 |access-date=1 January 2025 |website=Apple Music}}{{Cite web |last=Brigstock |first=Jake |date=18 July 2024 |title=What did KSI say after his new album was leaked on TikTok? |url=https://www.indy100.com/celebrities/ksi-new-album-leak-tiktok |access-date=2025-01-01 |website=Indy100 |language=en}} The song received a positive reception following the negative response to "Thick of It".{{Cite web |last=Horvath |first=Zachary |date=2024-12-14 |title=KSI Flips The Script On Fans With Somber "Dirty" |url=https://www.hotnewhiphop.com/868842-ksi-dirty-stream |access-date=2025-01-01 |website=HotNewHipHop |language=en}} On 23 January 2025, "Thick of It" was nominated for Song of the Year at The BRIT Awards 2025.{{Cite web |last=Rufo |first=Yasmin |date=2025-01-23 |title=Brit Awards 2025: Nominations in full |url=https://www.bbc.com/news/articles/cj482r7pqlgo |access-date=2025-02-27 |website=BBC |language=en-GB}} On 30 May, KSI released another double-single with "Catch Me If You Can" and "So Far Away," the latter featuring S-X which had previously leaked in July 2024 alongside "Dirty."{{Cite web |last=Levine |first=Nick |date=2 June 2025 |title=KSI unleashes Catch Me If You Can: "I'm a person that breaks through barriers" |url=https://www.officialcharts.com/chart-news/ksi-catch-me-if-you-can/ |website=Official Charts}}

File:KSI, March 3, Weigh in.png

Supposed hostilities between KSI and British YouTuber Joe Weller began towards the end of 2017. Following public disagreements on Twitter and diss-tracks between the pair, they announced that they would host an amateur boxing match on 3 February 2018 at Copper Box Arena, London, to settle the feud. During the announcement, the pair confronted each other, with KSI mocking Weller's struggles with depression and his use of antidepressants for which he later apologised.

The fight was won by KSI 1 minute and 37 seconds into the third round by way of technical knockout.{{Cite news|url=https://teneightymagazine.com/2018/02/03/ksi-wins-boxing-match-against-joe-weller-true-geordie/|title=KSI Wins Boxing Match Against Joe Weller|last=O'Dell|first=Liam|date=3 February 2018|work=TenEighty|access-date=25 March 2021|archive-date=6 February 2018|archive-url=https://web.archive.org/web/20180206003743/https://teneightymagazine.com/2018/02/03/ksi-wins-boxing-match-against-joe-weller-true-geordie/|url-status=live}} KSI expressed his respect for Weller after the fight for being "way harder, way tougher than I thought," and praised him for his commitment to raising awareness for mental health, before calling out American YouTuber Logan Paul, his brother Jake Paul, and retired footballer Rio Ferdinand.{{Cite web|first=Jessica|last=Lindsay|date=4 February 2018|title=KSI vs Joe Weller result – What happened and who will KSI fight next?|url=http://metro.co.uk/2018/02/04/ksi-vs-joe-weller-result-happened-will-ksi-fight-next-7285411|url-status=live|archive-url=https://web.archive.org/web/20180205130040/http://metro.co.uk/2018/02/04/ksi-vs-joe-weller-result-happened-will-ksi-fight-next-7285411/|archive-date=5 February 2018|access-date=4 February 2018|website=Metro}}

{{main|KSI vs Logan Paul|KSI vs. Logan Paul II|}}

File:KSI_vs_Logan_Paul,_Staples_Center.png on 9 November 2019]]

On 24 February 2018, it was announced that KSI would be fighting Logan Paul in a white-collar boxing amateur boxing match.{{Cite web|last=Alexander|first=Julia|date=26 February 2018|title=YouTube boxing just went international, so when does YouTube get involved?|url=https://www.polygon.com/2018/2/26/17053896/logan-paul-jake-ksi-neji-youtube-boxing|url-status=live|archive-url=https://web.archive.org/web/20180227062010/https://www.polygon.com/2018/2/26/17053896/logan-paul-jake-ksi-neji-youtube-boxing|archive-date=27 February 2018|access-date=26 February 2018|website=Polygon|publisher=Vox Media}} The fight ended as a majority draw, with two judges scoring the fight even at 57–57 and a third judge scoring 58–57 in favour of KSI.{{Cite web|date=28 August 2018|title=YouTube Stars' Fight Results in a Draw at Manchester Arena|url=https://www.casinoreviews.co.uk/news/sport/youtube-stars-fight-results-draw-manchester-arena.html|url-status=live|archive-url=https://web.archive.org/web/20190626202118/https://www.casinoreviews.co.uk/news/sport/youtube-stars-fight-results-draw-manchester-arena.html|archive-date=26 June 2019}}

A rematch between KSI and Paul was held on 9 November 2019 at the Staples Center, Los Angeles, and was promoted by Eddie Hearn.{{Cite news|last=Hamdani|first=Adam|date=6 April 2019|title=KSI vs Logan Paul rematch: Date, venue, how to get tickets, where to watch online and more|work=The Independent|url=https://www.independent.co.uk/sport/general/boxing/ksi-vs-logan-paul-rematch-youtube-date-venue-winner-how-to-watch-free-video-stream-a8754306.html|url-status=live|access-date=13 May 2019|archive-url=https://web.archive.org/web/20190513040730/https://www.independent.co.uk/sport/general/boxing/ksi-vs-logan-paul-rematch-youtube-date-venue-winner-how-to-watch-free-video-stream-a8754306.html|archive-date=13 May 2019}} Unlike the first fight, the rematch was a professional fight without the use of headgear.{{Cite news|last=Esco|first=Wil|date=18 September 2019|title=Eddie Hearn: KSI vs Logan Paul will probably be most watched fight of the year|work=Bad Left Hook|url=https://www.badlefthook.com/2019/9/18/20872206/eddie-hearn-believes-ksi-vs-logan-paul-will-be-most-watched-fight-of-the-year|url-status=live|access-date=19 September 2019|archive-url=https://web.archive.org/web/20190920204043/https://www.badlefthook.com/2019/9/18/20872206/eddie-hearn-believes-ksi-vs-logan-paul-will-be-most-watched-fight-of-the-year|archive-date=20 September 2019}} KSI was trained by professional boxers Viddal Riley and Jeff Mayweather, uncle of Floyd Mayweather Jr.{{Cite news|last=Draper|first=Kevin|date=8 November 2019|title=Logan Paul. KSI. YouTube. Fight. Logan Paul. KSI. Boxing.|newspaper=The New York Times|url=https://www.nytimes.com/2019/11/08/sports/logan-paul-vs-ksi-2-fight.html|url-status=live|access-date=10 November 2019|archive-url=https://web.archive.org/web/20191109233122/https://www.nytimes.com/2019/11/08/sports/logan-paul-vs-ksi-2-fight.html|archive-date=9 November 2019}} KSI defeated Paul via split decision, with two judges scoring the bout 56–55 and 57–54 in favour of KSI, and a third judge scoring the fight 56–55 in favour of Paul.{{cite news |title=KSI vs Logan Paul 2: British YouTuber wins boxing fight against social media rival |url=https://news.sky.com/story/ksi-vs-logan-paul-2-british-youtuber-wins-boxing-fight-against-social-media-rival-11858631 |access-date=10 November 2019 |work=skysports.com |agency=Sky |publisher=Sky Sports |date=10 November 2019 |archive-date=10 November 2019 |archive-url=https://web.archive.org/web/20191110061930/https://news.sky.com/story/ksi-vs-logan-paul-2-british-youtuber-wins-boxing-fight-against-social-media-rival-11858631 |url-status=live }}

{{main|KSI vs Swarmz & Luis Alcaraz Pineda||}}

On 1 July 2022, it was announced that KSI vs Alex Wassabi was scheduled to take place on as the headliner to MF & DAZN: X Series 001 27 August 2022; however, due to a major concussion, it was announced on 6 August that Swarmz would be Wassabi's replacement. This marked the first event under KSI's promotion company Misfits Boxing.

On 16 August, it was announced that KSI will be facing a second opponent, thus billing the event "2 Fights 1 Night."{{Cite web |last=Domin |first=Martin |date=2022-08-16 |title=KSI to fight two opponents on one night including professional boxer |url=https://www.mirror.co.uk/sport/boxing/breaking-youtube-boxer-ksi-face-27757957 |url-status=live |archive-url=https://web.archive.org/web/20220829174917/https://www.mirror.co.uk/sport/boxing/ksi-youtube-boxing-next-fight-27757957 |archive-date=29 August 2022 |access-date=2022-08-16 |website=mirror |language=en}} His initial second fight was scheduled to be against the Bulgarian boxer Ivan Nikolov, who was pulled from the fight due to Nikolov having multiple white supremacist and Neo-Nazi tattoos.{{Cite web |last=Davies |first=Harry |date=2022-08-17 |title=KSI's new boxing opponent accused of being neo-Nazi with "white power" tattoo |url=https://www.mirror.co.uk/sport/boxing/ksi-opponent-neo-nazi-tattoos-27764123 |url-status=live |archive-url=https://web.archive.org/web/20220818115000/https://www.mirror.co.uk/sport/boxing/ksi-opponent-neo-nazi-tattoos-27764123 |archive-date=18 August 2022 |access-date=2022-08-18 |website=mirror |language=en}} On 20 August, the Mexican professional boxer Luis Alcaraz Pineda was announced as KSI's second opponent on 27 August.{{Cite web |last=MisfitsBoxing |date=20 August 2022 |title=New opponent: 𝐜𝐨𝐧𝐟𝐢𝐫𝐦𝐞𝐝 ✅ @KSI will fight both @Swarmz__ and pro boxer Luiz Alcaraz Pineda at The O2 on August 27th 💪 |url=https://x.com/MisfitsBoxing/status/1561028539184566273 |access-date=2 January 2024 |website=Twitter}} KSI defeated Swarmz via 2nd round KO and won the vacant MFB cruiserweight title. KSI then defeated Alcaraz Pineda via 3rd round KO and retained his MFB cruiserweight title.{{Cite web |date=23 August 2022 |title=KSI vs. Swarmz results: KSI stops Swarmz, then drops Luis Alcaraz Pineda 7 times in 2nd KO of the night |url=https://www.sportingnews.com/us/boxing/news/ksi-vs-swarmz-live-fight-updates-results-highlights/foccqifjnizjbvafon2kt7gi |url-status=live |archive-url=https://web.archive.org/web/20220828101911/https://www.sportingnews.com/us/boxing/news/ksi-vs-swarmz-live-fight-updates-results-highlights/foccqifjnizjbvafon2kt7gi |archive-date=28 August 2022 |access-date=2022-08-28 |website=www.sportingnews.com |language=en}}

{{main|KSI vs FaZe Temperrr||}}

On 19 November, it was announced that KSI would face Dillon Danis as the headliner of MF & DAZN: X Series 004 on 14 January 2023, at Wembley Arena, London, England.{{cite web |last1=Lee |first1=Alexander K. |date=19 November 2022 |title=KSI vs. Dillon Danis boxing bout announced for MF & DAZN X Series 004 on Jan. 14 |url=https://www.mmafighting.com/2022/11/19/23468744/ksi-vs-dillon-danis-boxing-bout-announced-for-mf-dazn-x-series-004-on-jan-14 |access-date=20 November 2022 |website=MMA Fighting |publisher=Vox Media, LLC |language=en |archive-date=20 November 2022 |archive-url=https://web.archive.org/web/20221120040337/https://www.mmafighting.com/2022/11/19/23468744/ksi-vs-dillon-danis-boxing-bout-announced-for-mf-dazn-x-series-004-on-jan-14 |url-status=live }} However, on 4 January, Danis withdrew due to lack of preparation, a lack of a coach, and issues with the contracted weight.{{Cite web |last=Glinski |first=George |date=4 January 2023 |title=KSI vs Dillon Danis OFF as MMA star pulls out of fight with YouTuber for three reasons |url=https://www.express.co.uk/sport/boxing/1717011/KSI-Dillon-Danis-Cancelled-MMA-UFC-YouTube-boxing-news |website=Daily Mail |access-date=4 January 2023 |archive-date=4 January 2023 |archive-url=https://web.archive.org/web/20230104172417/https://www.express.co.uk/sport/boxing/1717011/KSI-Dillon-Danis-Cancelled-MMA-UFC-YouTube-boxing-news |url-status=live }} It was announced that KSI would defend his MF cruiserweight title against Brazilian YouTuber and FaZe Clan founder FaZe Temperrr, replacing Danis within a weeks notice.{{Cite web |last=Happe |first=Liam |date=4 January 2023 |title=KSI to face FaZe Temperrr on January 14 in place of Dillon Danis |url=https://www.dazn.com/en-GB/news/boxing/ksi-to-face-faze-temper-on-january-14-in-place-of-dillon-danis/fsp9vrrr2srw169dscjj8kr5t |website=DAZN News |access-date=4 January 2023 |archive-date=4 January 2023 |archive-url=https://web.archive.org/web/20230104172713/https://www.dazn.com/en-GB/news/boxing/ksi-to-face-faze-temper-on-january-14-in-place-of-dillon-danis/fsp9vrrr2srw169dscjj8kr5t |url-status=live }} KSI defeated Temperrr via 1st round KO and retained his MFB cruiserweight title.{{Cite web |last=Sky Sports |date=15 January 2023 |title=KSI calls out Jake Paul for future fight after knock-out win over FaZe Temperrr at Wembley Arena |url=https://www.skysports.com/boxing/news/12040/12787314/ksi-calls-out-jake-paul-for-future-fight-after-knock-out-win-over-faze-temperrr-at-wembley-arena |website=Sky Sports |access-date=8 February 2023 |archive-date=10 February 2023 |archive-url=https://web.archive.org/web/20230210215808/https://www.skysports.com/boxing/news/12040/12787314/ksi-calls-out-jake-paul-for-future-fight-after-knock-out-win-over-faze-temperrr-at-wembley-arena |url-status=live }}

{{main|KSI vs Joe Fournier||}}

On 22 March, it was announced that KSI would face businessman and professional boxer Joe Fournier as the headliner of MF & DAZN: X Series 007 on 13 May at Wembley Arena in London, England. KSI originally defeated Fournier via 2nd round KO and retained his MFB cruiserweight title; however, controversy arose after replays showed KSI landing an illegal elbow strike during the finishing sequence.{{Cite web |date=2023-05-13 |title=KSI knocks out Joe Fournier with controversial elbow |url=https://www.independent.co.uk/sport/boxing/ksi-fournier-knockout-elbow-rematch-b2338404.html |access-date=2023-05-13 |website=The Independent |language=en |archive-date=13 May 2023 |archive-url=https://web.archive.org/web/20230513223129/https://www.independent.co.uk/sport/boxing/ksi-fournier-knockout-elbow-rematch-b2338404.html |url-status=live }}{{Cite web |date=2023-05-13 |title=Controversy erupts as YouTube star KSI knocks out professional boxer Joe Fournier with illegal elbow |url=https://www.foxsports.com.au/boxing/controversy-erupts-as-youtube-star-ksi-knocks-out-professional-boxer-joe-fournier-with-illegal-elbow/news-story/dd81ab3e027fecebc449f907b96cbc29 |access-date=2023-05-13 |website=Fox Sports |language=en |archive-date=13 May 2023 |archive-url=https://web.archive.org/web/20230513223130/https://www.foxsports.com.au/boxing/controversy-erupts-as-youtube-star-ksi-knocks-out-professional-boxer-joe-fournier-with-illegal-elbow/news-story/dd81ab3e027fecebc449f907b96cbc29 |url-status=live }} On 15 May, Fournier appealed the decision, and the Professional Boxing Association (PBA) called for both fighters to make their cases, and a decision will be made by 19 May at the latest.{{Cite web |last=Benson |first=Michael |date=15 May 2023 |title=Joe Fournier officially appeals KSI elbow knockout as PBA commission confirm they will conduct review |url=https://talksport.com/sport/boxing/1425196/joe-fournier-appeals-ksi-elbow-knockout/ |website=TalkSport |access-date=15 May 2023 |archive-date=15 May 2023 |archive-url=https://web.archive.org/web/20230515171450/https://talksport.com/sport/boxing/1425196/joe-fournier-appeals-ksi-elbow-knockout/ |url-status=live }} On 19 May, the PBA officially ruled the bout a no-contest.{{Cite web |date=19 May 2023 |title=KSI win over Fournier overturned... fight ruled 'No Contest' |url=https://www.tmz.com/2023/05/19/ksi-win-overturned-joe-fournier-fight-ruled-no-contest-after-elbow/ |website=TMZ |access-date=22 May 2023 |archive-date=22 May 2023 |archive-url=https://web.archive.org/web/20230522084711/https://www.tmz.com/2023/05/19/ksi-win-overturned-joe-fournier-fight-ruled-no-contest-after-elbow/ |url-status=live }}

{{main|KSI vs Tommy Fury||}}

File:KSI_vs_Fury_during_their_boxing_match.jpg at Manchester Arena, Manchester|220x220px]]

On 28 July, it was announced that KSI and Logan Paul would both headline MF & DAZN: X Series 10 – The Prime Card on 14 October at Manchester Arena in Manchester, England. On 30 July, it was announced that KSI would in fact be facing Tommy Fury.{{Cite web |date=30 July 2023 |title=KSI vs Tommy Fury: YouTuber to fight unbeaten boxer in Manchester |url=https://news.sky.com/story/ksi-vs-tommy-fury-youtuber-to-fight-unbeaten-boxer-in-manchester-12930876 |url-status=live |archive-url=https://web.archive.org/web/20230730221500/https://news.sky.com/story/ksi-vs-tommy-fury-youtuber-to-fight-unbeaten-boxer-in-manchester-12930876 |archive-date=30 July 2023 |access-date=30 July 2023 |website=Sky News}} Fury defeated KSI via a majority decision.{{Cite web |title=YouTubing 'bell-end' KSI: 'I'm a really nice guy' |url=http://www.irishexaminer.com/examviral/real-life/youtubing-bell-end-ksi-im-a-really-nice-guy-354430.html |url-status=live |archive-url=https://web.archive.org/web/20151117032354/http://www.irishexaminer.com/examviral/real-life/youtubing-bell-end-ksi-im-a-really-nice-guy-354430.html |archive-date=17 November 2015 |access-date=16 November 2015 |website=Irish Examiner|date=17 September 2015 }} On 15 October, the results were changed to a unanimous decision victory for Fury due to judge Rafael Ramos, who had previously scored the bout 57-57 on the scorecard, which was mathematically incorrect.{{Cite web |last=Pattle |first=Alex |date=15 October 2023 |title=KSI vs Tommy Fury result changed after judging error |url=https://www.independent.co.uk/sport/boxing/ksi-tommy-fury-score-error-result-changed-b2430307.html |website=The Independent |access-date=21 December 2023 |archive-date=17 October 2023 |archive-url=https://web.archive.org/web/20231017034830/https://www.independent.co.uk/sport/boxing/ksi-tommy-fury-score-error-result-changed-b2430307.html |url-status=live }} The event generated 1,300,000 pay-per-view buys, making it one of the largest boxing events in 2023.{{Cite web |last=Jabbar |first=Nasir |date=17 October 2023 |title=The pay-per-view numbers for KSI vs Tommy & Logan Paul vs Dillon Danis are in - they're massive |url=https://www.sportbible.com/boxing/boxing-news/ksi-tommy-fury-dillon-danis-logan-paul-489428-20231017 |website=Sport Bible |access-date=19 October 2023 |archive-date=20 October 2023 |archive-url=https://web.archive.org/web/20231020175713/https://www.sportbible.com/boxing/boxing-news/ksi-tommy-fury-dillon-danis-logan-paul-489428-20231017 |url-status=live }}

After the bout had concluded, KSI lashed out at Fury and insisted that the result was a "robbery."{{Cite web |date=15 October 2023 |title=Tommy Fury beats KSI in cruiserweight contest |url=https://www.bbc.com/sport/boxing/67113845 |website=BBC |access-date=21 December 2023 |archive-date=15 October 2023 |archive-url=https://web.archive.org/web/20231015214321/https://www.bbc.com/sport/boxing/67113845 |url-status=live }} Many online and attendees sided with KSI, beveling that he did enough to win the fight, including English sports promoter Eddie Hearn, who was in attendance.{{Cite web |last=Chiari |first=Mike |date=15 October 2023 |title=Tommy Fury Defeats KSI by Majority Decision as Fans Question Judges' Scorecards |url=https://bleacherreport.com/articles/10093109-tommy-fury-defeats-ksi-by-majority-decision-as-fans-question-judges-scorecards |website=Bleacher Report |access-date=21 December 2023 |archive-date=23 December 2023 |archive-url=https://web.archive.org/web/20231223220903/https://bleacherreport.com/articles/10093109-tommy-fury-defeats-ksi-by-majority-decision-as-fans-question-judges-scorecards |url-status=live }}

On 19 October, KSI submitted an appeal to the Professional Boxing Association (PBA).{{Cite web |last=Benson |first=Michael |date=20 October 2023 |title=KSI instructs lawyer to handle appeal over Tommy Fury decision |url=https://talksport.com/sport/1609317/ksi-instructs-lawyer-appeal-tommy-fury/ |website=Talk Sport |access-date=21 December 2023 |archive-date=27 November 2023 |archive-url=https://web.archive.org/web/20231127154701/https://talksport.com/sport/1609317/ksi-instructs-lawyer-appeal-tommy-fury/ |url-status=live }} On 1 December, the PBA announced on Twitter that they had rejected the appeal, stating there were "no grounds" to overturn the result. Despite the result, KSI's manager Mams Taylor stated that the appeal is still ongoing and that they are moving into the second of three possible stages.{{Cite web |last=Glinski |first=George |date=1 December 2023 |title=KSI sees Tommy Fury appeal rejected but furious manager devises three-part plan |url=https://www.express.co.uk/sport/boxing/1841120/KSI-Tommy-Fury-PBA-boxing-news |website=Daily Express |access-date=21 December 2023 |archive-date=21 December 2023 |archive-url=https://web.archive.org/web/20231221174636/https://www.express.co.uk/sport/boxing/1841120/KSI-Tommy-Fury-PBA-boxing-news |url-status=live }}

On 2 June 2024, KSI confirmed on Twitter that he would return to the ring in August after a 10-month break from the Fury loss in October of last year.{{Cite web |last=Actualizado |date=1 June 2024 |title=KSI responds to Jake Paul's challenge after Mike Tyson's health scare |url=https://www.marca.com/en/boxing/2024/06/01/665b926722601dcc5f8b4600.html |website=Marca}} Reports began to state that KSI was in negotiations to face former unified light welterweight champion Amir Khan. On 4 June, Khan confirmed the negotiations.{{Cite web |last=Benson |first=Michael |date=4 June 2024 |title=Amir Khan has now confirmed that he's deep in negotiations to fight KSI next |url=https://talksport.com/sport/1906804/amir-khan-negotiations-fight-ksi-mike-tyson/#:~:text=Amir%20Khan%20claims%20his%20fight,over%20to%20the%20influencer%20sphere. |website=talkSport}} However, on 8 June KSI confirmed in a YouTube video that Khan will not be his opponent but potentially for later in the year.{{Cite web |last=Calcutt |first=Robert |date=8 Jun 2024 |title='Let's do this' – KSI announces bizarre two vs one fight amid Amir Khan talks as Jake Paul set 'final offer' |url=https://talksport.com/sport/1913102/ksi-next-fight-khan-paul-slim-anthony-taylor/ |website=talkSport}} In that video, KSI also confirmed he will be fighting on 31 August 2024, in Dublin, Ireland, and challenged American internet personality Slim Albaher and American mixed martial artist Anthony Taylor to a 2 vs. 1 outnumbered tag team match.{{Cite web |last=Schuller |first=Rudi |date=8 June 2024 |title=KSI provides major update for his next fight |url=https://www.dazn.com/en-GB/news/boxing/ksi-provides-major-update-for-his-next-fight/1tmho32tknfto125n50e2y3pbv |website=DAZN}} On 30 June 2024, the bout between KSI, Albaher and Taylor was confirmed.{{cite news |last1=Iskenderov |first1=Parviz |title=KSI next boxing fight set against Slim & Anthony Taylor in Dublin in August |url=https://www.fightmag.com/ksi-boxing-return-set-against-slim-anthony-taylor-in-dublin-in-august/ |work=FIGHTMAG |date=2 July 2024}} However, fans began to speculate if the bout had been cancelled following KSI deleting the bout announcement across his social media.{{Cite web |last=Yemi |first=Frank |date=28 June 2024 |title=KSI's 2 vs 1 Fight In Jeopardy As His Opponent Reacts To Withdrawal Rumors |url=https://www.thesportster.com/ksis-2-vs-1-fight-in-jeopardy-opponent-reacts-withdrawal-rumors/ |website=The Sportster}} On 1 August, KSI confirmed his withdrawal in a Twitter post due to an injury sustained.{{Cite web |last=KSI |date=1 August 2024 |title=Hey everyone, I have some important news to share and I wanted you to hear it directly from me. The fight with Slim and AT is off. I have been battling with an injury (not my toe lol) since I began training for this fight and unfortunately this has worsened during camp which is why you haven't seen my usual enthusiasm. Despite my best efforts to push through the pain, it has reached a point where I can no longer spar or even hit pads or do bag work. On my doctor's orders, I have been advised to withdraw from Misfits 017 at the 3Arena in Dublin on August 31st. |url=https://x.com/KSI/status/1818993348625027074 |website=Twitter}}

{{Main article|KSI vs Dillon Danis}}

During the broadcast of X Series 17, KSI stated he was eyeing to return in early 2025.{{Cite web |last=Astbury |first=Matt |date=31 August 2024 |title=KSI teases when he could be returning to the ring ahead of X Series 017 |url=https://www.dazn.com/en-GB/news/boxing/ksi-teases-when-he-could-be-returning-to-the-ring-ahead-of-x-series-017/1u5b6v9xrdukt14tph3my84bme |website=DAZN}} On 3 January 2025, Misfits Boxing announced that his return would be announced during the broadcast of X Series 20 on 18 January.{{Cite web |last=Misfits News |date=2 January 2025 |title=MISFITS 21 UPDATE! Conor McGregor vs. Logan Paul EXCLUSIVE! {{!}} Misfits News EP 63 |url=https://www.youtube.com/watch?v=_WIwC1O-Z_o |website=YouTube}} News broke hours before the announcement that former England and Premier League winning left-back Wayne Bridge is being lined up to face KSI for 29 March.{{citation needed|date=February 2025}} On the night, KSI came into the ring and revealed his original opponent withdrew, leading into a face off with Bridge.{{Cite web |last=Walker |first=Christopher |date=18 January 2025 |title=KSI clashes with former Chelsea and Manchester City footballer |url=https://www.dazn.com/en-GB/news/boxing/ksi-clashes-with-former-chelsea-and-manchester-city-footballer/vqidg9n63qtx1axtjzwkqcg40 |website=DAZN}} On the night, KSI came into the ring and revealed his original opponent withdrew, leading into a face off with Bridge.{{Cite web |date=29 January 2025 |title=KSI to face ex-footballer Bridge in boxing match |url=https://www.bbc.com/sport/boxing/articles/cn01j5r2qvlo |website=BBC}} The pair got into a brawl after KSI pushed Bridge and brought up John Terry and Bridge's former girlfriend Vanessa Perroncel.{{Cite web |last=Berry |first=Gavin |date=19 January 2025 |title=KSI fires savage barb at Wayne Bridge about John Terry and ex girlfriend in explosive boxing face-off |url=https://www.dailyrecord.co.uk/sport/ksi-wayne-bridge-john-terry-34508858 |website=Daily Record}} However, two days later Bridge withdrew from the bout due to the comments made by KSI about Perroncel.{{Cite web |last=Parkinson |first=Nick |date=20 January 2025 |title=Wayne Bridge calls off KSI fight after YouTuber 'crossed a line' |url=https://www.espn.co.uk/boxing/story/_/id/43492330/wayne-bridge-calls-ksi-fight-youtuber-crossed-line |website=ESPN}} On 4 February, it was announced that American mixed martial artist Dillon Danis—who KSI was originally scheduled to face at X Series 004—would replace Bridge and headlined X Series 21 – Unfinished Business at Manchester Arena in Manchester.{{Cite web |title=KSI Fighting Dillon Danis In March |url=https://www.tmz.com/2025/02/04/dillion-danis-ksi-boxing-event/ |website=TMZ|date=4 February 2025 }} On 21 March, it was announced that the fight will be postponed due to KSI suffering from an illness.{{Cite web |last=Heck |first=Mike |date=2025-03-21 |title=KSI vs. Dillon Danis event postponed |url=https://www.mmafighting.com/2025/3/21/24391044/ksi-vs-dillon-danis-event-postponed-misfits-boxing |access-date=2025-03-21 |website=MMA Fighting |language=en}} On 4 April, Misfits Boxing co-president Mams Taylor confirmed on X that X Series 22 – Blinders & Brawls was moved from April 12 to May 16, and will be their next event, confirming that X Series 21 – Unfinished Business was no longer happening.{{Cite web |last=Taylor |first=Mams |date=4 April 2025 |title=Not been a fun few weeks. A series of unfortunate events beyond our control. Tried to replace the main event and even tried to do a non ppv to keep the show on. Exhausted all efforts and left no stone unturned. Sorry we were not able to say anything until now but refunds will of course be available for Manchester next week. To the fans, we are so sorry that it's been a rocky start to 25. Determined and confident that we will more than make it up with this year's plans. To the fighters and teams, I know what you guys go through and the disappointment of moving dates. I'm truly sorry and you know it's out of our hands. The feeling of letting people down and not being able to fix it immediately sucks and has weighed heavily on me. I'm sorry. Misfits is still in its infancy. We're two and a half years into a decades long plan. We are so proud of what we have achieved together thus far and things will only keep improving and areas of weakness will become strengths. We will be back on May 16th in Derby and the new final fight card will be announced shortly with mega additions. The comeback will be everything and big changes will be implemented. To the one's who have been nothing but loyal, supportive and understanding, fighters and fans, I see you and appreciate you beyond measure. Thank you. A lot of news coming so stay tuned. 🙏🏽 |url=https://x.com/MamsTaylor/status/1908182369716097126 |website=Twitter}}

In 2016, KSI and Caspar Lee starred in the British direct-to-video comedy film Laid in America.{{Cite web |date=2015-06-08 |title=YouTubers KSI and Casper Lee to star in film 'Laid in America' |url=https://www.dailydot.com/upstream/ksi-casper-lee-laid-in-america-announce/ |url-status=live |archive-url=https://web.archive.org/web/20220311151822/https://www.dailydot.com/upstream/ksi-casper-lee-laid-in-america-announce/ |archive-date=11 March 2022 |access-date=2022-03-11 |website=The Daily Dot |language=en-US}} The film was written and directed by Sam Milman and Peter Vass and was produced by The Fun Group LLC and Max Gottlieb.{{Cite web |last=Hughes |first=Mark |title=YouTube Stars KSI, Caspar Lee Could Make 'Laid In America' A Digital Game-Changer |url=https://www.forbes.com/sites/markhughes/2016/09/08/youtube-stars-ksi-caspar-lee-could-make-laid-in-america-a-digital-game-changer/ |url-status=live |archive-url=https://web.archive.org/web/20190422035743/https://www.forbes.com/sites/markhughes/2016/09/08/youtube-stars-ksi-caspar-lee-could-make-laid-in-america-a-digital-game-changer/ |archive-date=22 April 2019 |access-date=2022-03-11 |website=Forbes |language=en}} The film was released direct-to-video by Universal Pictures on 26 September 2016.{{Cite web |last=Spangler |first=Todd |date=2016-07-25 |title=Raunchy Comedy 'Laid in America' With YouTube Stars KSI, Caspar Lee Gets Release Dates |url=https://variety.com/2016/digital/news/laid-in-america-ksi-caspar-lee-1201822440/ |url-status=live |archive-url=https://web.archive.org/web/20160726132326/https://variety.com/2016/digital/news/laid-in-america-ksi-caspar-lee-1201822440/ |archive-date=26 July 2016 |access-date=2022-03-11 |website=Variety |language=en-US}} Jason Best of Movie Talk gave the film 1 out of 5 and called it "Crass and witless."{{Citation |last=Thornton |first=Niamh |title=YouTube as archive: fans, gender and Mexican film stars online |date=2017-05-01 |work=Revisiting Star Studies |pages=205–222 |url=http://dx.doi.org/10.3366/edinburgh/9781474404310.003.0011 |access-date=2022-03-11 |archive-url=https://web.archive.org/web/20210212082818/http://edinburgh.universitypressscholarship.com/view/10.3366/edinburgh/9781474404310.001.0001/upso-9781474404310-chapter-011 |archive-date=12 February 2021 |url-status=live |publisher=Edinburgh University Press |doi=10.3366/edinburgh/9781474404310.003.0011 |isbn=9781474404310|url-access=subscription }}

In 2018, KSI released a documentary film titled KSI: Can't Lose. The film reveals the behind-the-scenes story of what led KSI to become the YouTube champion of the world after his boxing debut fight against fellow YouTube star Joe Weller and how KSI will use what he learned to fight Logan Paul.{{Cite web |title=CAN'T LOSE |url=https://www.cantlosefilm.com/ |url-status=live |archive-url=https://web.archive.org/web/20220430093638/https://www.cantlosefilm.com/ |archive-date=30 April 2022 |access-date=2022-03-11 |website=CAN'T LOSE |language=en-US}} The film was produced by fellow YouTuber Callux's film studio, After Party Studios, and was distributed by Sony Pictures Home Entertainment.{{Cite web |date=2018-07-05 |title=KSI To Release 'Can't Lose' Documentary Chronicling His Foray Into Boxing |url=https://www.tubefilter.com/2018/07/05/ksi-cant-lose-documentary-sony-callux/ |url-status=live |archive-url=https://web.archive.org/web/20200306232105/https://www.tubefilter.com/2018/07/05/ksi-cant-lose-documentary-sony-callux/ |archive-date=6 March 2020 |access-date=2022-03-11 |website=Tubefilter |language=en-US}}

KSI makes a brief appearance in the Amazon Original sports docuseries All or Nothing: Arsenal, which documented the club by spending time with the coaching staff and players behind the scenes both on and off the field throughout their 2021–22 season.{{Cite web |last=Young-Myles |first=Oliver |date=2022-08-02 |title=From Arteta's team talks to Ramsdale's impact, what we learned from All or Nothing: Arsenal |url=https://inews.co.uk/sport/football/arsenal-all-or-nothing-first-three-episodes-amazon-prime-documentary-series-1772855 |url-status=live |archive-url=https://web.archive.org/web/20220804021612/https://inews.co.uk/sport/football/arsenal-all-or-nothing-first-three-episodes-amazon-prime-documentary-series-1772855 |archive-date=4 August 2022 |access-date=2022-08-04 |website=inews.co.uk |language=en}}

In 2023, KSI released a documentary called KSI: In Real Life, produced by Amazon Prime Video and Louis Theroux, focusing on KSI's life and career. Theroux stated that it would be "an opportunity to see another side of JJ, understanding how he got where he is, the world of a premium online content creator today, and a man who has made it his brand never to lose, as he takes on the music business."{{Cite web |last=Yeates |first=Cydney |date=2021-09-14 |title=Louis Theroux teams up with KSI to produce documentary on YouTube star |url=https://metro.co.uk/2021/09/14/louis-theroux-teams-up-with-ksi-to-produce-documentary-on-youtube-star-15259270/ |url-status=live |archive-url=https://web.archive.org/web/20211018125745/https://metro.co.uk/2021/09/14/louis-theroux-teams-up-with-ksi-to-produce-documentary-on-youtube-star-15259270/ |archive-date=18 October 2021 |access-date=2022-03-11 |website=Metro |language=en}}

In February 2025, KSI appeared as a guest judge on Britain's Got Talent series 18 on ITV1 with Simon Cowell, Alesha Dixon, and Amanda Holden.{{Cite web |date=2025-02-22 |title=BGT fans want KSI to permanently replace Bruno Tonioli as judge |url=https://uk.news.yahoo.com/britains-got-talent-ksi-replace-bruno-permanently-200646164.html |access-date=2025-02-23 |website=Yahoo News |language=en-GB}}

{{Main|Sidemen#Other ventures|Prime (drink)|Lunchly|Misfits Boxing}}

{{See also|2022 in Misfits Boxing|l1 = 2022|2023 in Misfits Boxing|l2 = 2023|2024 in Misfits Boxing|l3 = 2024|2025 in Misfits Boxing}}

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KSI and the Sidemen have founded multiple businesses throughout their online careers. In 2014 the group launched a clothing brand under the Sidemen Clothing banner.{{Cite web |last=Andrews |first=Farah |date=11 September 2019 |title=Insomnia Dubai: YouTube stars Sidemen coming to gaming convention |url=https://www.thenational.ae/arts-culture/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130 |url-status=live |archive-url=https://web.archive.org/web/20191027153116/https://www.thenational.ae/arts-culture/insomnia-dubai-youtube-stars-sidemen-coming-to-gaming-convention-1.909130 |archive-date=27 October 2019 |access-date=27 October 2019 |website=The National}} In November 2021, they founded a restaurant chain known as Sides in collaboration with Reef.{{Cite web |last=Tabahriti |first=Sam |date=13 March 2022 |title=A fried chicken restaurant run by 7 YouTubers has opened its first branch after initially operating as a ghost kitchen. See inside. |url=https://www.businessinsider.com.au/sidemen-ksi-sides-fried-chicken-store-youtubers-2022-3 |url-status=bot: unknown |archive-url=https://web.archive.org/web/20220321213245/https://www.businessinsider.com.au/sidemen-ksi-sides-fried-chicken-store-youtubers-2022-3 |archive-date=21 March 2022 |access-date=21 March 2022 |website=Business Insider}} In October 2022, they launched their own vodka brand known as XIX Vodka.{{Cite news |date=23 October 2021 |title=Who are the Sidemen? How KSI and friends amassed 123 million followers |url=https://www.thetimes.com/article/who-are-the-sidemen-how-ksi-and-friends-amassed-123-million-followers-cdnbjjswd |url-access=subscription |url-status=live |archive-url=https://archive.today/20211023194702/https://www.thetimes.co.uk/article/who-are-the-sidemen-how-ksi-and-friends-amassed-123-million-followers-cdnbjjswd |archive-date=23 October 2021 |access-date=24 October 2021 |work=The Times}} in March 2024, they launched a breakfast cereal brand known as Best Cereal in collaboration with Mornflake.{{Cite web |last=Gutelle |first=Sam |date=2024-03-21 |title=The Sidemen have sold 100,000 boxes of cereal two weeks after launching their breakfast brand |url=https://www.tubefilter.com/2024/03/21/sidemen-breakfast-cereal-brand-best-sales/ |access-date=2024-08-15 |website=Tubefilter |language=en-US}}

In February 2021, KSI announced on Twitter the creation of his own record label named "The Online Takeover" in partnership with his music manager Mams Taylor. Shortly after, he announced the first signee of his label, which was American-British singer Aiyana-Lee, who featured on the track "Killa Killa".{{cite web |date=16 February 2021 |title=KSI's announcement on Twitter |url=https://twitter.com/KSI/status/1361648296851292166 |url-status=live |archive-url=https://web.archive.org/web/20210216120726/https://twitter.com/KSI/status/1361648296851292166 |archive-date=16 February 2021 |access-date=16 February 2021 |website=twitter}}{{cite web |date=16 February 2021 |title=KSI launches The Online Takeover label |url=https://www.musicweek.com/labels/read/ksi-launches-the-online-takeover-label/082613 |url-status=live |archive-url=https://web.archive.org/web/20210216080605/https://www.musicweek.com/labels/read/ksi-launches-the-online-takeover-label/082613 |archive-date=16 February 2021 |access-date=16 February 2021 |website=Music Week}} On 13 May, KSI announced that he and Proper Loud have signed Yxng Dave to The Online Takeover, marking him the second artist to be signed to the label.{{Cite web |last=KSI |date=13 May 2022 |title=Welcome to the team bro @YxngDave |url=https://twitter.com/KSI/status/1525140165043310595 |url-status=live |archive-url=https://web.archive.org/web/20220514111840/https://twitter.com/KSI/status/1525140165043310595 |archive-date=14 May 2022 |access-date=14 May 2022 |website=Twitter}}

In June 2021, KSI announced that he and Wasserman Boxing had partnered up to launch a boxing promotional company called 'Misfits Boxing'.{{Cite web |date=2021-06-22 |title=Wasserman partners with YouTuber KSI for new boxing promotion company |url=https://www.sportspromedia.com/news/wasserman-ksi-boxing-promotion-company/ |url-status=live |archive-url=https://web.archive.org/web/20220224050956/https://www.sportspromedia.com/news/wasserman-ksi-boxing-promotion-company/ |archive-date=24 February 2022 |access-date=2022-03-07 |website=SportsPro |language=en-GB}}{{Cite web |last=DAZN |date= |title=DAZN y Misfits Boxing anuncian la nueva serie de veladas 'MF & DAZN: X Series' |url=https://www.dazn.com/es-ES/news/boxeo/dazn-y-misfits-boxing-anuncian-la-nueva-serie-de-veladas-mf-dazn-x-series/1dpuzwc79ae9a1gzxjq5h5k0yg |url-status=live |archive-url=https://web.archive.org/web/20220630232534/https://www.dazn.com/es-ES/news/boxeo/dazn-y-misfits-boxing-anuncian-la-nueva-serie-de-veladas-mf-dazn-x-series/1dpuzwc79ae9a1gzxjq5h5k0yg |archive-date=30 June 2022 |access-date=1 July 2022 |website=DAZN}} The first event was scheduled to take place on 27 August 2022, with KSI also set to make his boxing return as the main event.{{Cite web |last=Domin |first=Martin |date=2022-05-04 |title=KSI announces ring return for first fight since Logan Paul rematch |url=https://www.mirror.co.uk/sport/boxing/ksi-announces-ring-return-first-26872407 |url-status=live |archive-url=https://web.archive.org/web/20220829174917/https://www.mirror.co.uk/sport/boxing/ksi-boxing-fight-news-date-26872407 |archive-date=29 August 2022 |access-date=2022-05-05 |website=mirror |language=en}} A series of other boxing events titled "MF & DAZN: X Series" in collaboration with DAZN, who were the distributors for KSI's previous rematch against Logan Paul, was announced, along with events to follow, marking the KSI vs Swarmz and Luis Alcaraz Pineda event as MF & DAZN: X Series 001. On 10 January 2023, it was announced that Misfits Boxing and DAZN had signed a 5-year deal to continue distribute events with two pay-per-view each year.{{Cite web |last=Lingeswaran |first=Susan |date=10 January 2023 |title=DAZN secures rights to All Elite Wrestling in 42 markets across Europe, Asia |url=https://www.sportcal.com/media/dazn-secures-rights-to-all-elite-wrestling-in-42-markets-across-europe-asia/ |url-status=live |archive-url=https://web.archive.org/web/20230330090317/https://www.sportcal.com/media/dazn-secures-rights-to-all-elite-wrestling-in-42-markets-across-europe-asia/ |archive-date=30 March 2023 |access-date=17 August 2023 |website=Sportcal}}

In January 2022, KSI founded a drinks company known as Prime alongside his former rival Logan Paul.{{Cite web |date=2022-01-05 |title=KSI & Logan Paul Team Up To Launch New Drink Company 'Prime' |url=https://grmdaily.com/ksi-logan-paul-drink-launched/ |url-status=live |archive-url=https://web.archive.org/web/20220105201447/https://grmdaily.com/ksi-logan-paul-drink-launched/ |archive-date=5 January 2022 |access-date=2022-01-05 |website=GRM Daily |language=en-GB}} Prime is a range of sports drinks, drink mixes, and energy drinks created and marketed by Prime Hydration, LLC.{{Cite web |last=Reid |first=Claire |date=4 January 2023 |title=New Prime Energy drink unveiled that's coming to the UK very soon |url=https://www.ladbible.com/news/prime-energy-drink-coming-to-uk-004176-20230104 |url-status=live |archive-url=https://web.archive.org/web/20230105071935/https://www.ladbible.com/news/prime-energy-drink-coming-to-uk-004176-20230104 |archive-date=5 January 2023 |access-date=12 January 2023 |website=LADbible}}

In September 2024, KSI, Paul, and MrBeast founded a kids lunch kit company known as Lunchly – a joint venture between Prime and Feastables.{{Cite web |last=Valinsky |first=Jordan |date=2024-09-17 |title=Logan Paul and MrBeast have a Lunchables competitor that they say is healthy |url=https://www.cnn.com/2024/09/17/food/lunchly-logan-paul-mrbeast/index.html |access-date=2024-09-22 |website=CNN |language=en}} It contains Prime, has Feastables chocolate and each one has a unique food. There are 3 kits: pizza,{{Cite web |last=Lunchly |title="The Pizza" - Uncured Pepperoni & Cheese Pizza |url=https://lunchly.com/products/the-pizza |access-date=2024-11-28 |website=Lunchly |language=en}} fiesta nachos,{{Cite web |last=Lunchly |title=Fiesta Nachos - Nacho Chips With Queso Blanco & Salsa |url=https://lunchly.com/products/fiesta-nachos |access-date=2024-11-28 |website=Lunchly |language=en}} and turkey stack 'ems.{{Cite web |last=Lunchly |title=Turkey Stack 'ems - Turkey, Cheddar Cheese & Crackers |url=https://lunchly.com/products/turkey-stackems |access-date=2024-11-28 |website=Lunchly |language=en}} They are all inspired by Lunchables.

In November 2024, it was announced that KSI would be the president of Baller League UK, a six-a-side football league.{{Cite web |date=2024-11-26 |title=Baller League: KSI, Gary Lineker, Luis Figo & John Terry among names involved in new football league |url=https://www.bbc.com/sport/football/articles/c3rx5ll9y3zo |access-date=2024-12-31 |website=BBC Sport |language=en-GB}}{{Cite news |last1=Buckingham |first1=Philip |last2=Stafford-Bloor |first2=Seb |title=What is Baller League, why are KSI and IShowSpeed involved and is it a game-changer? |url=https://www.nytimes.com/athletic/5949002/2024/11/26/baller-league-explained-ksi-ishowspeed/ |access-date=2024-12-31 |work=The New York Times |date=26 November 2024 |language=en-US |issn=0362-4331}}

In 2016, KSI teamed up with Endemol Shine Group to publish KSI Unleashed, a video game that launched on iOS and Android systems.{{Cite web |date=2016-04-05 |title=YouTube Star KSI, Endemol Shine Group Team Up For Mobile Game |url=https://www.tubefilter.com/2016/04/05/ksi-unleashed-endemol-shine-group/ |url-status=live |archive-url=https://web.archive.org/web/20160408142825/http://www.tubefilter.com/2016/04/05/ksi-unleashed-endemol-shine-group/ |archive-date=8 April 2016 |access-date=2022-03-11 |website=Tubefilter |language=en-US}} KSI poked jabs at fellow YouTuber PewDiePie, claiming that "why would I make anyone have to spend money to buy my mobile app game." referring to the fact that PewDiePie: Legend of the Brofist was not a free application.{{Citation |title=I'M IN A GAME?!?! |date=September 2016 |url=https://www.youtube.com/watch?v=rjNG8tQ8GQI |access-date=2022-03-11 |archive-url=https://web.archive.org/web/20220311151557/https://www.youtube.com/watch?v=rjNG8tQ8GQI |archive-date=11 March 2022 |url-status=live |language=en}} KSI Unleashed was removed from the Google Play Store and App Store on an unknown date.

In 2018, KSI took part in the promotional efforts for EA Sports UFC 3 by training alongside former UFC middleweight world champion Michael Bisping.{{cite web |date=27 December 2022 |title=Watch Michael Bisping Grapple with YouTuber KSI |url=https://jitsmagazine.com/watch-michael-bisping-grapple-with-youtuber-ksi/ |url-status=live |archive-url=https://web.archive.org/web/20221228112200/https://jitsmagazine.com/watch-michael-bisping-grapple-with-youtuber-ksi/ |archive-date=28 December 2022 |access-date=28 December 2022}}

In August 2021, KSI teamed up with Roblox and hosted a virtual album launch party inside the game.{{Cite web |last=Zinn |first=James |date=2021-08-11 |title=Roblox is Hosting A KSI Event |url=https://gamerant.com/roblox-ksi-event/ |access-date=2024-06-18 |website=Game Rant |language=en}}{{Cite web |last=IQ |date=2021-08-10 |title=Roblox plans London-themed launch party for KSI |url=https://www.iq-mag.net/2021/08/roblox-london-themed-virual-launch-ksi/ |access-date=2024-06-18 |website=IQ Magazine |language=en-GB}}

In 2015, KSI published an autobiography titled KSI: I Am a Bellend.{{Cite web |last=Ditum |first=Nathan |date=23 September 2015 |title=Why it's worth trying to understand KSI, YouTube's most controversial star |url=http://www.newstatesman.com/culture/books/2015/09/why-it-s-worth-trying-understand-ksi-youtube-s-most-controversial-star |url-status=live |archive-url=https://web.archive.org/web/20151117014714/http://www.newstatesman.com/culture/books/2015/09/why-it-s-worth-trying-understand-ksi-youtube-s-most-controversial-star |archive-date=17 November 2015 |access-date=16 November 2015 |website=NewStatesman}} The book was released on 24 September 2015, in the UK and five days later in the United States, and KSI toured to support the book from its release until 4 October 2015.

On 18 October 2016, KSI and the Sidemen released a book titled Sidemen: The Book, published by Coronet Books, and embarked on a UK-wide promotional tour.{{Cite web |last=Cowdrey |first=Katherine |date=2 June 2016 |title='YouTube royalty' The Sidemen to Coronet |url=https://www.thebookseller.com/news/coronet-publish-team-youtube-royalty-sidemen-330708 |url-status=live |archive-url=https://web.archive.org/web/20200104173327/https://www.thebookseller.com/news/coronet-publish-team-youtube-royalty-sidemen-330708 |archive-date=4 January 2020 |access-date=3 January 2020 |website=The Bookseller}}{{Cite news |last=Barr |first=Gordon |date=22 September 2016 |title=YouTube sensations The Sidemen come to Newcastle |url=http://www.chroniclelive.co.uk/whats-on/family-kids-news/youtube-sensations-sidemen-heading-newcastle-11921405 |url-status=live |archive-url=https://web.archive.org/web/20200104173325/https://www.chroniclelive.co.uk/whats-on/family-kids-news/youtube-sensations-sidemen-heading-newcastle-11921405 |archive-date=4 January 2020 |access-date=3 January 2020 |work=Chronicle Live}} A number one best-seller in the UK, the book sold 26,436 copies within its first three days release.{{Cite web |last=Dillon |first=Poppy |date=26 October 2016 |title=The Sidemen's Debut Book Tops Charts |url=https://teneightymagazine.com/2016/10/26/the-sidemens-debut-book-hits-no-1-in-charts/ |url-status=live |archive-url=https://web.archive.org/web/20191020061435/https://teneightymagazine.com/2016/10/26/the-sidemens-debut-book-hits-no-1-in-charts/ |archive-date=20 October 2019 |access-date=3 January 2020 |website=TenEighty}}{{Cite news |last=Flood |first=Alison |date=26 October 2016 |title=YouTube stars the Sidemen are frontrunners in race for Christmas books No 1 |url=https://www.theguardian.com/books/2016/oct/26/youtube-stars-the-sidemen-are-frontrunners-in-race-for-books-christmas-no-1 |url-status=live |archive-url=https://web.archive.org/web/20191020061418/https://www.theguardian.com/books/2016/oct/26/youtube-stars-the-sidemen-are-frontrunners-in-race-for-books-christmas-no-1 |archive-date=20 October 2019 |access-date=3 January 2020 |work=The Guardian |issn=0261-3077}}

On 1 April 2023, KSI appeared at WWE's flagship event, WrestleMania 39, during the match between Logan Paul and Seth "Freakin" Rollins. He accompanied Paul during his entrance wearing a Prime Bottle costume and interfered in the match, but was frog splashed by Paul after Rollins quickly switched himself with KSI.{{Cite web |last=Thompson |first=Andrew |date=2023-04-02 |title=Seth Rollins def. Logan Paul at WWE WrestleMania 39, Paul accidentally Frog Splashes KSI through table |url=https://www.postwrestling.com/2023/04/01/seth-rollins-def-logan-paul-at-wwe-wrestlemania-39-paul-accidentally-frog-splashes-ksi-through-table/ |url-status=live |archive-url=https://web.archive.org/web/20230402013254/https://www.postwrestling.com/2023/04/01/seth-rollins-def-logan-paul-at-wwe-wrestlemania-39-paul-accidentally-frog-splashes-ksi-through-table/ |archive-date=2 April 2023 |access-date=2023-04-02 |website=POST Wrestling {{!}} WWE AEW NXT NJPW Podcasts, News, Reviews |language=en-US}} On 8 March 2024, KSI made another appearance on SmackDown with Paul to celebrate Prime's partnership with WWE; however, they would be interrupted by Randy Orton, who would hit KSI with an RKO.{{Cite AV media |url=https://www.independent.co.uk/tv/sport/wwe-prime-ksi-logan-paul-wrestling-b2509885.html |title=Watch: KSI KO'd by WWE's Randy Orton after wrestling fans boo Prime announcement |date=2024-03-09 |language=en |access-date=2024-06-19 |via=The Independent}}{{Cite web |date=2024-03-09 |title=Logan Paul Attacks Randy Orton, Orton RKOs KSI On WWE SmackDown |url=https://www.yahoo.com/entertainment/logan-paul-attacks-randy-orton-015939273.html |access-date=2024-06-19 |website=Yahoo Entertainment |language=en-US}}

KSI is a supporter of Arsenal F.C.{{Cite news |date=19 May 2020 |title=What is KSI's net worth & how much does the YouTuber earn? |work=Goal |url=https://www.goal.com/en/news/what-is-ksis-net-worth-how-much-does-the-youtuber-earn/1jv39pchfhfdj198era3eg5hfi |access-date=25 March 2021 |archive-date=22 August 2021 |archive-url=https://web.archive.org/web/20210822184744/https://www.goal.com/en/news/what-is-ksis-net-worth-how-much-does-the-youtuber-earn/1jv39pchfhfdj198era3eg5hfi |url-status=live }} In his "Googling Myself" video, KSI revealed that he is agnostic.{{Cite web|title=Googling Myself|url=https://www.youtube.com/watch?v=IiBp4HszOUU|author=KSI|website=YouTube|date=4 September 2014|access-date=9 November 2022|archive-date=14 December 2020|archive-url=https://web.archive.org/web/20201214152124/https://www.youtube.com/watch?v=IiBp4HszOUU|url-status=live}}

In March 2021, KSI faced criticism for misgendering a trans person and using a transphobic slur in a Sidemen video. He later apologised, claiming not to have known that the word was offensive.{{Cite web |date=2021-03-10 |title=KSI issues apology for past use of transphobic slurs |url=https://www.gaytimes.co.uk/culture/ksi-issues-apology-for-past-use-of-transphobic-slurs/ |access-date=2023-04-06 |website=GAY TIMES |language=en-GB |archive-date=27 August 2023 |archive-url=https://web.archive.org/web/20230827185713/https://www.gaytimes.co.uk/culture/ksi-issues-apology-for-past-use-of-transphobic-slurs/ |url-status=live }}{{Cite web |last=Moore |first=Sam |date=2021-03-11 |title=KSI apologises for past use of transphobic slurs |url=https://www.nme.com/news/music/ksi-apologises-for-past-use-of-transphobic-slurs-2898433 |access-date=2023-04-06 |website=NME |language=en-GB |archive-date=8 April 2023 |archive-url=https://web.archive.org/web/20230408050603/https://www.nme.com/news/music/ksi-apologises-for-past-use-of-transphobic-slurs-2898433 |url-status=live }} In April 2023, KSI used the racial slur "Paki " in a Sidemen video parodying the British game show Countdown. He later apologised on Twitter and announced he was taking a break from social media. The video has since been removed.{{cite news |title=KSI apologises for racist slur in Sidemen YouTube video |work=BBC News |date=3 April 2023 |url=https://www.bbc.co.uk/news/newsbeat-65162143 |access-date=3 April 2023 |archive-date=3 April 2023 |archive-url=https://web.archive.org/web/20230403091226/https://www.bbc.co.uk/news/newsbeat-65162143 |url-status=live }} He then visited the Al-Hikam Institute, a mosque in Bradford, to "educate himself", where he apologised again for the hurt and disappointment he had caused.{{Cite news |date=2023-04-05 |title=KSI: YouTuber visits mosque after racial slur in Sidemen video |language=en-GB |work=BBC News |url=https://www.bbc.com/news/newsbeat-65187225 |access-date=2023-04-05 |archive-date=5 April 2023 |archive-url=https://web.archive.org/web/20230405171755/https://www.bbc.com/news/newsbeat-65187225 |url-status=live }}

In 2015, KSI's earnings were estimated by Forbes as being over $4.5 million, ranking him as the fifth-highest-paid YouTuber in the world at the time.{{Cite news |url=https://www.forbes.com/sites/maddieberg/2015/10/14/the-worlds-highest-paid-youtube-stars-2015/#4ae7ba7a3192 |title=The World's Highest-Paid YouTube Stars 2015 |last=Berg |first=Madeline |date=2 November 2015 |access-date=29 October 2019 |url-status=live |archive-url=https://web.archive.org/web/20191124033845/https://www.forbes.com/sites/maddieberg/2015/10/14/the-worlds-highest-paid-youtube-stars-2015/#4ae7ba7a3192 |archive-date=24 November 2019 |work=Forbes}}

In 2018, Esquire magazine reported that, according to Social Blade, KSI can make up to £250,000 in advertising revenue from one video and that product endorsements on his social media cost around £75,000.{{Cite web |url=https://www.esquire.com/uk/culture/a19481583/ksi-interview/ |title=KSI Gets Smart: What YouTube's Biggest Star Is Planning Next |last=Stokel-Walker |first=Chris |website=esquire.com |date=21 March 2018 |publisher=Esquire |url-status=live |archive-url=https://web.archive.org/web/20190214082038/https://www.esquire.com/uk/culture/a19481583/ksi-interview/ |archive-date=14 February 2019 |access-date=29 October 2019}} Heavy reported in the same year that KSI was the director of three UK companies with equity totalling £1.7 million ($2.2 million).{{Cite web |url=https://heavy.com/money/2018/08/ksi-net-worth/ |title=KSI Net Worth: 5 Fast Facts You Need to Know |last=Castro |first=Danilo |date=25 August 2018 |website=heavy.com |publisher=Heavy Inc. |url-status=live |archive-url=https://web.archive.org/web/20191029212851/https://heavy.com/money/2018/08/ksi-net-worth/ |archive-date=29 October 2019 |access-date=29 October 2019}}

Business Insider reported that KSI's amateur boxing match versus Logan Paul in 2018 generated around £8.5 million ($11 million) from pay-per-view revenue alone and a further live gate revenue of over £2.7 million ({{US$|3.5 million|long=no}}) from ticket sales.{{Cite web|last=Ghosh|first=Shona|date=28 August 2018|title=KSI and Logan Paul probably generated up to $11 million with their YouTube boxing match|url=http://businessinsider.com/ksi-logan-paul-11-million-youtube-boxing-match-2018-8|url-status=live|archive-url=https://web.archive.org/web/20180828114915/https://www.businessinsider.com/ksi-logan-paul-11-million-youtube-boxing-match-2018-8|archive-date=28 August 2018|access-date=28 August 2018|website=Business Insider}} Some estimates calculated the potential earnings from the fight at £30{{nbsp}}million to £40{{nbsp}}million each,{{Cite news |url=https://www.thetimes.com/business-money/technology/article/youtube-stars-ksi-and-logan-paul-hit-jackpot-as-millions-watch-grudge-match-nlbtcj9tk |title=YouTube stars KSI and Logan Paul hit jackpot as millions watch grudge match |last=Kenber |first=Billy |date=27 August 2018 |work=The Times |access-date=29 October 2019 |url-status=live |archive-url=https://web.archive.org/web/20191029231431/https://www.thetimes.co.uk/article/youtube-stars-ksi-and-logan-paul-hit-jackpot-as-millions-watch-grudge-match-nlbtcj9tk |archive-date=29 October 2019 |quote=The Saturday night fight ended in a draw after six rounds but the windfall from ticket sales, online viewers, sponsors and merchandise meant both men departed as winners, with a lucrative rematch due to take place in February. [...] Organisers have not revealed details of the purse split but boxing experts have speculated that the vloggers could make as much as £30 million to £40 million each depending on how many fans pay to watch replays.}} but KSI dismissed these claims, stating that his earnings were "a high amount" but "nowhere near £40{{nbsp}}million or £20{{nbsp}}million".{{Cite news |url=https://talksport.com/sport/boxing/416017/ksi-logan-paul-sold-over-1000000-pay-per-views/ |title=KSI reveals official PPV numbers from the Logan Paul fight, discusses earnings |last=Benson |first=Michael |date=28 August 2018 |work=talkSPORT |access-date=28 August 2018 |url-status=live |archive-url=https://web.archive.org/web/20180829000210/https://talksport.com/sport/boxing/416017/ksi-logan-paul-sold-over-1000000-pay-per-views/ |archive-date=29 August 2018}}{{Cite news |url=http://www.sportbible.com/entertainment/sport-how-much-did-ksi-and-logan-paul-earn-from-their-fight-20180909 |title=KSI Responds To Fans Who Guess How Much He Got Paid For Logan Paul Fight |last=Wood |first=Tom |date=9 September 2018 |work=SPORTbible |access-date=14 September 2018 |url-status=live |archive-url=https://web.archive.org/web/20180913032619/http://www.sportbible.com/entertainment/sport-how-much-did-ksi-and-logan-paul-earn-from-their-fight-20180909 |archive-date=13 September 2018 |language=en}} Forbes reported that KSI was contracted to earn a minimum amount of $900,000 from his second fight against Logan Paul in 2019.{{Cite web |date=11 November 2019 |title=KSI Vs. Logan Paul 2 Purses: YouTubers Crush The Payouts Of Established Boxers |url=https://www.forbes.com/sites/brianmazique/2019/11/11/ksi-vs-logan-paul-2-purses-youtubers-crush-the-payouts-of-established-boxers/#279e2729a78d |url-status=live |archive-url=https://web.archive.org/web/20191112091426/https://www.forbes.com/sites/brianmazique/2019/11/11/ksi-vs-logan-paul-2-purses-youtubers-crush-the-payouts-of-established-boxers/#279e2729a78d |archive-date=12 November 2019 |access-date=11 November 2019 |work=Forbes}}

In an interview with Men's Health in 2020, KSI confirmed that he owns over ten properties "all around England" with a combined worth of over £10 million.{{Cite AV media |url=https://www.youtube.com/watch?v=mPbmL33_aEQ?t=212| archive-url=https://ghostarchive.org/varchive/youtube/20211029/mPbmL33_aEQ| archive-date=2021-10-29|title=KSI on All the Money He Made from His Fights |date=9 January 2020|work=Men's Health |publisher=YouTube}}{{cbignore}}{{Cite web |url=https://www.mirror.co.uk/3am/celebrity-news/celebrity-gogglebox-ksi-property-millions-22225180 |title=Celebrity Gogglebox star KSI's £10million property empire built on YouTube clicks |last=Yaqoob |first=Janine |publisher=Mirror |date=20 June 2020 |access-date=28 June 2020 |archive-date=30 June 2020 |archive-url=https://web.archive.org/web/20200630043232/https://www.mirror.co.uk/3am/celebrity-news/celebrity-gogglebox-ksi-property-millions-22225180 |url-status=live }} In 2020, The Sunday Times estimated KSI's earnings to be £12 million a year; a year later, they believed that his estimated earnings had gone up by another £13 million.{{Cite web |url=https://www.thetimes.com/sunday-times-rich-list/article/rich-list-ksi-you-tube-net-worth-f8qxggphg |title=Rich List: KSI's YouTube earnings make him one to watch |last=Watts |first=Robert |work=The Times |date=16 May 2020 |access-date=17 May 2020 |archive-date=17 May 2020 |archive-url=https://web.archive.org/web/20200517045659/https://www.thetimes.co.uk/article/rich-list-ksi-you-tube-net-worth-f8qxggphg |url-status=live }}{{Cite web |url=https://www.thetimes.com/sunday-times-rich-list/article/rich-list-ksi-you-tube-net-worth-f8qxggphg |title=Rich List: KSI's YouTube earnings make him one to watch |last=Watts |first=Robert |work=The Times |date=16 March 2021 |access-date=17 May 2020 |archive-date=17 May 2020 |archive-url=https://web.archive.org/web/20200517045659/https://www.thetimes.co.uk/article/rich-list-ksi-you-tube-net-worth-f8qxggphg |url-status=live }}

KSI has been open about his investments in cryptocurrency. He revealed that he had lost almost £6 million worth of cryptocurrency in 2021. He claims to be done with cryptocurrency following his losses.{{Cite web |date=2021-07-19 |title=KSI reveals he lost a staggering amount of money in cryptocurrency investment |url=https://www.independent.co.uk/arts-entertainment/music/news/ksi-bitcoin-youtube-b1885801.html |access-date=2023-02-13 |website=The Independent |language=en |archive-date=13 February 2023 |archive-url=https://web.archive.org/web/20230213002012/https://www.independent.co.uk/arts-entertainment/music/news/ksi-bitcoin-youtube-b1885801.html |url-status=live }}

In July 2023, KSI invested in The Fellas Studios, a production company owned by YouTubers Callum "Calfreezy" Airey and Joshua "TheBurntChip" Larkin.{{Cite web |last=Jones |first=Jess |date=2023-07-06 |title=YouTube stars including KSI and Sidemen invest £1.5m in emerging video-podcast studio |url=https://www.cityam.com/youtube-stars-including-ksi-and-sidemen-invest-1-5m-in-emerging-video-podcast-studio/ |access-date=2024-05-23 |website=CityAM |language=en-GB |archive-date=12 July 2023 |archive-url=https://web.archive.org/web/20230712200921/https://www.cityam.com/youtube-stars-including-ksi-and-sidemen-invest-1-5m-in-emerging-video-podcast-studio/ |url-status=live }} It was also revealed that he had invested in notwoways, an East London sneaker brand owned by YouTuber Callum "Callux" McGinley.{{Cite web |last=Bottomley |first=Tom |date=2023-07-28 |title=Sneaker brand notwoways secures £2.3m investment to turbo charge growth |url=https://www.theindustry.fashion/sneaker-brand-notwoways-secures-2-3m-investment-to-turbo-charge-growth/ |access-date=2024-05-27 |website=TheIndustry.fashion |language=en-GB |archive-date=27 May 2024 |archive-url=https://web.archive.org/web/20240527024347/https://www.theindustry.fashion/sneaker-brand-notwoways-secures-2-3m-investment-to-turbo-charge-growth/ |url-status=live }}{{Cite web |last=Taylor |first=Nigel |date=21 August 2023 |title=UK sneaker brand Notwoways secures £2.3m in fresh funding |url=https://uk.fashionnetwork.com/news/Uk-sneaker-brand-notwoways-secures-2-3m-in-fresh-funding,1544560.html |access-date=2024-05-27 |website=FashionNetwork |language=en-UK |archive-date=27 May 2024 |archive-url=https://web.archive.org/web/20240527024342/https://uk.fashionnetwork.com/news/Uk-sneaker-brand-notwoways-secures-2-3m-in-fresh-funding,1544560.html |url-status=live }}

On 17 August 2024, KSI, along with the Sidemen, appeared and was ranked 21st on The Times's list of "The UK’s top 30 richest gamers and creators in 2024", estimating £50 million in fortune shared among the group.{{Cite news |last=Joshua Lamb |first=Robert Watts |date=17 August 2024 |title=The UK's top 30 richest gamers and creators in 2024 |url=https://www.thetimes.com/culture/gaming/article/rich-gamers-list-uk-2024-0zxb9l9bk |url-access=subscription |url-status=live |archive-url=https://web.archive.org/web/20241008024603/https://www.thetimes.com/culture/gaming/article/rich-gamers-list-uk-2024-0zxb9l9bk |archive-date=8 October 2024 |access-date=21 October 2024 |work=The Times}}

In 2015, KSI donated $10,000 to an online charity stream done by YouTuber Castro1021, and he participated in the Race Against Slime event, raising money for SpecialEffect, a foundation developing technology to aid people with physical disabilities to play video games.

On 8 May 2020, KSI helped out at a food bank to support The Independent's Help the Hungry campaign.{{Cite web|last=Alim|first=Arjun|date=9 May 2020|title=YouTube star KSI joins Independent 'Help the Hungry' campaign to distribute food during coronavirus|url=https://www.independent.co.uk/news/uk/home-news/ksi-youtube-coronavirus-feed-hungry-london-refettorio-felix-a9506831.html|url-status=live|archive-url=https://web.archive.org/web/20210330140011/https://www.independent.co.uk/news/uk/home-news/ksi-youtube-coronavirus-feed-hungry-london-refettorio-felix-a9506831.html|archive-date=30 March 2021|access-date=9 May 2020|website=The Independent}} On 18 December 2020, KSI prepared meals to support the Evening Standard's Food for London Now campaign.{{Cite web|last=Alim|first=Arjun|date=18 December 2020|title=Craig David, Tinie Tempah and KSI in the kitchen for our Christmas Food for London Now appeal|url=https://www.standard.co.uk/news/foodforlondon/food-for-london-now-ksi-craig-david-tini-tempah-b371048.html|url-status=live|access-date=18 December 2020|website=Evening Standard|archive-date=18 February 2021|archive-url=https://web.archive.org/web/20210218033428/https://www.standard.co.uk/news/foodforlondon/food-for-london-now-ksi-craig-david-tini-tempah-b371048.html}} KSI donated £10,000 to BBC Radio 1's "Lol-a-thon" fundraiser for Comic Relief on 11 March 2021.{{Cite web|date=11 March 2021|title=What was in KSI's school report? Watch the moment Scott Mills + Chris Stark read it out in full|url=https://www.bbc.co.uk/programmes/articles/1GRMw2QrRwx7yRw8kR962jD/what-was-in-ksis-school-report-watch-the-moment-scott-mills-chris-stark-read-it-out-in-full|url-status=live|access-date=16 March 2021|publisher=BBC Radio 1|archive-date=16 March 2021|archive-url=https://web.archive.org/web/20210316110128/https://www.bbc.co.uk/programmes/articles/1GRMw2QrRwx7yRw8kR962jD/what-was-in-ksis-school-report-watch-the-moment-scott-mills-chris-stark-read-it-out-in-full}} On 30 March 2021, it was announced that KSI had signed an open letter, written by Lenny Henry, to urge black British people to take the COVID-19 vaccine.{{Cite web|last=Reilly|first=Nick|date=30 March 2021|title=KSI signs new open letter urging Black Britons to take COVID-19 vaccine|url=https://www.nme.com/news/music/ksi-signs-new-open-letter-urging-black-britons-to-take-covid-19-vaccine-2910829|url-status=live|archive-url=https://web.archive.org/web/20210330132747/https://www.nme.com/news/music/ksi-signs-new-open-letter-urging-black-britons-to-take-covid-19-vaccine-2910829|archive-date=30 March 2021|access-date=30 March 2021|website=NME}}

On 15 December 2023, KSI faced American streamer IShowSpeed in a charity boxing sparring match after a year-long banter rivalry. They managed to raise over £50,000 for the Anthony Walker Foundation.{{cite web |last1=Ellis |first1=Jordan |date=6 December 2023 |title=KSI makes IShowSpeed announcement that may impact Jake Paul's latest boxing fight |url=https://talksport.com/sport/1667937/ksi-ishowspeed-announcement-clash-jake-paul-fight/ |access-date=6 December 2023 |website=TalkSport |archive-date=6 December 2023 |archive-url=https://web.archive.org/web/20231206172613/https://talksport.com/sport/1667937/ksi-ishowspeed-announcement-clash-jake-paul-fight/ |url-status=live }}{{Cite tweet |number=1736052967940276418 |user=KSI |title=Thank you to everyone who donated ❤️ |date=Dec 16, 2023}}

On 14 February 2025, KSI participated in "Match for Hope 2025", a football charity event hosted in Doha, Qatar, as a player and co-captain for team AboFlah & KSI, facing off against team Chunkz & IShowSpeed. The match ended with team AboFlah & KSI's 6-5 victory over team Chunkz & IShowSpeed. The event managed to raise more than $10.7 million for charity.{{Cite web |last=Schneider |first=Jacob |date=2025-02-14 |title=USMNT boss Mauricio Pochettino coaches team Chunkz x IShowSpeed to narrow 6-5 loss vs. team KSI x AboFlah at Match For Hope charity game |url=https://www.goal.com/en/lists/usmnt-boss-mauricio-pochettino-coaches-team-chunkz-x-ishowspeed-in-thrilling-6-5-loss-vs-team-ksi-x-aboflah-at-match-for-hope-charity-game/blt3fc2dbe393375935 |access-date=2025-02-14 |website=GOAL |language=en}}{{Cite news |last=Maurer |first=Pablo |date=15 February 2025 |title=USMNT manager Pochettino takes on legends, influencers in 'Match for Hope' |url=https://www.nytimes.com/athletic/6137259/2025/02/14/mauricio-pochettino-usmnt-match-for-hope-speed-iniesta/ |url-access=registration |url-status=live |archive-url=https://web.archive.org/web/20250215134013/https://www.nytimes.com/athletic/6137259/2025/02/14/mauricio-pochettino-usmnt-match-for-hope-speed-iniesta/ |archive-date=15 February 2025 |access-date=2025-02-15 |work=The New York Times |language=en-US |issn=0362-4331}}

{{BoxingRecordSummary

|draws=

|nc=1

|ko-wins=3

|ko-losses=

|dec-wins=1

|dec-losses=1

|dq-wins=

|dq-losses=

}}

{{Boxing record summary|draws=1|ko-wins=1}}

{{Main|KSI discography|List of songs recorded by KSI}}

Studio albums

• Dissimulation (2020)
• All Over the Place (2021)

Collaborative albums

• New Age {{small|(with Randolph)}} (2019)

• Jump Around Tour (2016){{cite web |title=Global YouTube star KSI releases new single 'Jump Around' feat. Waka Flocka Flame |url=http://www.popscoop.org/2016/09/16/global-youtube-star-ksi-releases-new-single-jump-around-feat-waka-flocka-flame/ |website=popscoop.org |publisher=Pop Scoop! |access-date=6 March 2020 |date=16 September 2016 |archive-date=15 February 2019 |archive-url=https://web.archive.org/web/20190215203848/http://www.popscoop.org/2016/09/16/global-youtube-star-ksi-releases-new-single-jump-around-feat-waka-flocka-flame/ |url-status=live }}
• The New Age Tour (2019){{cite web |last1=Fox |first1=Benjit |title=KSI and Randolph Announce New Age Tour |url=https://teneightymagazine.com/2019/03/06/ksi-and-randolph-announce-new-age-tour/ |website=teneightymagazine.com |publisher=TenEighty |access-date=6 March 2020 |date=6 March 2019 |archive-date=19 September 2020 |archive-url=https://web.archive.org/web/20200919085738/https://teneightymagazine.com/2019/03/06/ksi-and-randolph-announce-new-age-tour/ |url-status=live }}
• All Over The Place Tour (2021–2022){{Cite web|date=2021-08-27|title=Check out KSI's new 2022 UK tour dates ahead of Wembley show|url=https://www.nme.com/news/music/check-out-ksis-new-2022-uk-tour-dates-around-wembley-show-3031362|access-date=2021-10-09|website=NME|language=en-GB|archive-date=9 October 2021|archive-url=https://web.archive.org/web/20211009161029/https://www.nme.com/news/music/check-out-ksis-new-2022-uk-tour-dates-around-wembley-show-3031362|url-status=live}}

• {{cite book| author = KSI | publisher = Orion Publishing Group | title = KSI: I Am a Bellend | date = 24 September 2015 | isbn = 978-1409161233 }}{{Cite web |url=https://www.tubefilter.com/2015/09/29/ksi-i-am-a-tool-book/ |title=YouTube Star KSI's New Book Flies Off The Shelves In Two Countries |last=Gutelle |first=Sam |date=29 September 2015 |website=Tubefilter |url-status=live |archive-url=https://web.archive.org/web/20160304193543/http://www.tubefilter.com/2015/09/29/ksi-i-am-a-tool-book/ |archive-date=4 March 2016 |access-date=5 April 2016}}
• {{cite book| author = KSI | publisher = HarperCollins | title = I Am a Tool: How to Be a YouTube Kingpin and Dominate the Internet | date = 29 September 2015 | isbn = 978-1473648166 }}

{{Notelist}}

{{Reflist|group=note}}

{{Reflist|2}}

{{Commons category}}

• {{Official website}}
• {{YouTube|user=KSIOlajidebt|KSI}}
• {{IMDb name|6518846|name=KSI}}
• {{Boxrec|id=896699}}

{{KSI}}

{{Sidemen}}

{{Misfits Boxing}}

{{Portal bar|Biography|Internet|Video games|United Kingdom|England}}

{{authority control}}

Category:1993 births

Category:Living people

Category:21st-century British rappers

Category:21st-century English sportsmen

Category:Black British sportsmen

Category:Black British male rappers

Category:British music YouTubers

Category:British trap musicians

Category:British comedy YouTubers

Category:Boxers from London

Category:Cruiserweight boxers

Category:Drink company founders

Category:English-language YouTube channels

Category:English agnostics

Category:English company founders

Category:English entertainers

Category:English gaming YouTubers

Category:English male boxers

Category:English male film actors

Category:English male rappers

Category:English male writers

Category:English people of Nigerian descent

Category:English people of Yoruba descent

Category:English pop musicians

Category:Grime music artists

Category:Male actors from London

Category:Male actors from Watford

Category:Misfits Boxing

Category:Musicians from Watford

Category:People educated at Berkhamsted School

Category:Pop rappers

Category:RBC Records artists

Category:RPM people

Category:Sidemen Charity Match players

Category:Sidemen

Category:Sportspeople from Watford

Category:UK garage musicians

Category:YouTube boxers

Category:YouTubers from Hertfordshire

Category:YouTubers from London