the Medical Slab (demo, 1994) Architects of Perversions (EP, 1994) Sculpture of the Dead (EP, 1996) Abscess/Deranged (split, 2001) Morgue Orgy (EP, 2013) Members Current members Thomas Ahlgren (guitar) Rikard Wermén (drums) Andreas Johansson (bass) Anders Johansson (vocals) Former members Jörgen Byllander (bass) Dan Bengtsson (bass, 1997) Mikael Westerdahl (guitar, 1991–1993) Johan Axelsson (guitars, 1991–2008) Calle Fäldt (bass/vocals, 2002–2007) Roger Johansson (backing voice, 2001–2002) Johan Anderberg (bass/guitar/vocals, 2000–2001) Fredrick Sandberg (vocals, 1996–1999) Andreas Deblèn (vocals) Per Gyllenbäck (vocals, 1991–1996) Mikael Bergman (bass, 1994–1995) Martin Schönherr (vocals) External links Former website (archived) Deranged on Myspace Deranged on Encyclopaedia Metallum Swedish death metal musical groups Musical groups established in 1991 Musical quartets Deathgrind musical groups 1991 establishments in Sweden Sevared Records artists Listenable Records artists Regain Records artists