Appears on "Mortal Kombat: Motion Picture Soundtrack" (1995) – performing "The Invisible" "Mortal Kombat: More Kombat" (1996) – performing "Outworld" Band members Geezer Butler – bass, keyboards Pedro Howse – guitars Deen Castronovo – drums (1995–1997) Burton C. Bell – vocals (1995) Mario Frasca – vocals (1996) (credit only, "Outworld") J.C. Stokes – vocals (1996) (uncredited, "Outworld") Clark Brown – vocals (1997–2006) Chad Smith – drums (1997–2006) Lisa Rieffel – vocals (2005) (appearance only, "Pseudocide") Timeline References External links Geezer Butler's homepage Geezer at Sanctuary Records Geezer at TVT Records Heavy metal musical groups from Texas Musical groups established in 1995 Musical groups from Houston Musical groups from Texas Musical quartets TVT Records artists