There are two bands named Teratism. One is a raw black metal band from Minneapolis, the other is a defunct Death Metal band. Black Metal Teratism was formed in 2001 by Vomitus Wrath and Murder. The current line-up is:
Wrath - Vocals
Murder - Guitars
Domitian - Guitars (ex-Wraithian)
Gilles de Rais - Bass (Satanist, ex-Vesperian Sorrow, ex-Catholicon, ex-evil god, ex-Masochism)
Desekrator - Drums (ex-Demonic Christ) Releases for Black Metal Teratism:


Read more about Teratism on Last.fm.