Oskar Karlsson had played drums in metal outfit Defleshed since 1991.



He departed in 1995 to bash the skins with hardcore punk band Raised Fist. After his departure Karlsson was replaced by Matte Modin.



Other bands he plays in are Decortication, The Duskfall, The Everdawn, Gates Of Ishtar, Helltrain, and Scheitan.