Dethklok Dethklok is a virtual death metal band that stars in the television show Metalocalypse. Their debut album, released September 25, 2007, was entitled The Dethalbum. Brendon Small wrote the lyrics and music and also performed the guitar, bass, and vocals; ex-Death/ex -Dark Angel/ex-Devin Townsend/Strapping Young Lad drummer Gene Hoglan performed drums on the album.