Julkku

Julkku is a Finnish Walpurgis Night humour magazine published on even years by the students of Aalto University.{{cite web|author1=Nicolae Denut|title=Vappu – The Finnish Walpurgis Night|url=http://whatsupfinland.org/english/vappu-the-finnish-walpurgis-night/|publisher=WUF|accessdate=5 December 2014|date=29 April 2012}} First Julkku was published in 1978. Julkku features short jokes, satirical writings and humorous ads, pictures and drawings.

Humor magazines are an important part of Finnish Walpurgis Night, and students in overalls selling them are a common sight in university cities in Finland in late April.