High Quality Content by WIKIPEDIA articles! Dethklok is both a virtual band featured in the Adult Swim animated program Metalocalypse, as well as a real band created to perform the band`s melodic death metal music in live shows. The band was created by Brendon Small and Tommy Blacha. The music heard on Metalocalypse is performed by Brendon Small, with others as needed. The first official Dethklok album was released on September 25, 2007, entitled The Dethalbum. The album debuted at number 21 on Billboard Magazine`s Top 200 list. The band released Dethalbum II on September 29, 2009, and toured with Mastodon, High on Fire and Converge. Small and drummer Gene Hoglan performed on both albums.