Member:
1996- Genital Grinder - guitars, vocals (as Seb Purulator)  
1998-2000 Maleficentia - vocals (as Balrog)  
1999- Balrog - guitars, vocals (as Balrog)  
2005-2009 Aborted - guitars (as Seb Purulator)  
2007- Aosoth - all instruments  
2008- The Order Of Apollyon - guitars, vocals (as B.S.T.)  
Studio musician:
2007- VI - bass, drums programming (as B.S.T.)  
Live musician:
2011- Antaeus - guitars  
Guest musician:
2006 Antaeus - vocals  
2009 Yorblind - vocals  
2010 Otargos - vocals  
2011 Livarkahil - vocals (as B.S.T.)