Juhana Pettersson is a Finnish novelist and a larp and tabletop roleplaying game designer.

His first novel Sokerisamurai was published in 2013. His other books include Roolipelimanifesti and the roleplaying games Ikuisuuden laakso and Tsernobyl, rakastettuni.

His best known larps are the experimental games Luminescence (with Mike Pohjola) and Täydellinen ihminen (with Jaakko Stenros), the Palestinian-Finnish larp Halat hisar (as a producer and writer in a larger team) and the Vampire: the Masquerade -based End of the Line (with Bjarke Pedersen and Martin Ericsson) and Enlightenment in Blood.

He has written for publications such as Helsingin Sanomat, Image, Veli, City, Voima, Maailman kuvalehti, Libero and Ylioppilaslehti, and served as the producer of the videogame tv show Tilt for many years.

Death threats and other forms of feedback may be directed at tappouhkaus@gmail.com.