Member:
1975 Hydra - vocals  
1976 Leisure Addicts - vocals  
1986 Insectocutor - vocals  
1988 The Savages - vocals  
1992-1993 Hanger - vocals  
1992-1996 X Wild - vocals  
1997 Circus - vocals  
2000 Bufalo - vocals  
Guest musician:
1993 Accept - backing vocals  
1997-2007 U.D.O. - backing vocals  
2008 Crystal Viper - vocals