Former Holy Terror vocalist Keith Deen has passed away.

The singer of the '80s Los Angeles-based thrash group lost his three-month battle with cancer on Thursday (Dec. 12). He was 56.

"With the loss of Keith Deen, a part of me is gone as well," said Holy Terror guitarist Kurt Colfelt about his former bandmate's passing.

A former member of speed metal act Agent Steel, Colfelt formed Holy Terror in 1986. The band went on to release two studio album -- 1987's Terror and Submission and 1988's Mind Wars -- before parting ways.

Colfelt reformed Holy Terror in 2005, but his attempts to get Deen involved were futile.

Listen to 'The Immortal Wasteland' from Holy Terror



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