darren travis in vokal yaptığı, steve digiorgio nun bass gitar, jon allen ın da davul çaldığı thrash/death grubudur.
diskografisi:
D.T.P. (1986) (Stands for Death to Posers)
Certain Death (1987)
Illusions (1988) (known as Chemical Exposure for the CD release)
The Wake of Severity (1989) (Demo)
Swallowed in Black (1990)
A Vision of Misery (1992)
Red Demo (1994)
Chronicles of Chaos (compilation) (1997)
Elements of Anger (1997)
D.T.P. (remastered) (2003)
Out for Blood (2006)
