Jedan od prvih pravih death metal sastava koji su popularnost stekli tako što su uzeli najbrutalniji speed i ucinili ga još brutalnijim. Urlajuci vokali, kaoticne gitare i sotonisticki tekstovi obilježje je prvog albuma grupe; kasnije se ,međutim ,proizvodi donekle mirniji i kvalitetniji zvuk.Current membersJeff Becerra - Vocals (1983–1989, 2007-present)
Ernesto Bueno - guitar (2007-present)
Rick Cortez - guitar (2007-present)
Bay Cortez - bass guitar (2007-present)
Vanik Vartanian - drums (temporary: 2008-present)
Former membersBarry Fisk - vocals (d. 1983)
Brian Montana - guitar (1983–1984)
Larry LaLonde - guitar (1984–1988)
Mike Torrao - guitar (1983–1993)
Mike Hollman - guitar (1993)
Paul Perry - bass (1993)
Mike Sus - drums (1983–1989)
Colin Carmichael - drums (1991)
Bob Yost - bass guitar (1991–1992)
Emilio Marquez - drums (2007-2008)
Albumi:Seven churches (1985)
Beyond the gates (1986)
The eyes of terror (mini) (1987)
Agony in paradise (live) (2004)