Genre(s) Technical Thrash/Speed Metal Lyrical theme(s) Evil, Power, Politics, Suffering Origin Formed in Last label Status Sweden (Stockholm) 1987 Black Mark Split-up Last known line-up Thomas Lyon - Vocal (aka Thomas Lundin) (Hatred (Swe)) Mike Wead - Guitar (Mercyful Fate, King Diamond, Abstrakt Algebra, Memento Mori (Swe), Witch (Swe), Candlemass, Maninnya Blade, Kryptillusion, Bibleblack) Marco A. Nicosia - Guitar (Fifth Reason)  Marty Marteen - Bass (Memento Mori (Swe), Fifth Reason, Nagazaki) John Billerhag - Drums (aka Billy St.John) (Memento Mori (Swe), Parasite (Swe))