Metalocalypse is an American animated television series, created by Brendon Small and Tommy Blacha, which premiered on August 6, 2006 on Adult Swim. The television program centers around the larger than life death metal band Dethklok, and often portrays dark … Mark Hamill, Victor Brandt, Brendon Small, Tommy Blacha, Malcolm McDowell, George Fisher, Mike Patton Added on HBO 2022-07-20.