Johan Andreasson began his career contributing to fanzines like Mammut, Elit-Serien, Elixir and Pyton. He has made series like 'Djurköping', 'Klass mot Klass' and 'Fascistligan'. He has cooperated on 'Kosmannen' (with Jonas Andersson, Lars Andreasson and Mikael Grahn in Svenska Serier), 'Sverige är fantastiskt' (with his brother Lars in Epix), 'På hemmet' (with his brother Lars in Pyton), 'Algol' (with Mikael Grahn in Elitserien and Elixir) and 'Fridh & Hårdh Förlag' (with Björn Wahlberg on the web). Andreasson has cooperated with Magnus Knutson and Ulf Jansson on 'Sveryda', 'Kämpa för Rättvisa' and 'Puddinge Nyheter'. He has also worked under the pseudonym Victoria Hockenbaumer. He has been an editor for Bild & Bubbla, the Swedish Mad and Shonen Jump.