Dethklok is both a fictional melodic death metal band featured in the Adult Swim animated program Metalocalypse, created by Brendon Small and Tommy Blacha, and a virtual band created to perform the band's music in live shows.The band is sometimes cited as an example of "comedy rock" on par with bands such as GWAR and Spinal Tap. The first Dethklok album was released on September 25, 2007, entitled The Dethalbum. The music heard on Metalocalypse is performed by Brendon Small, with others as needed. Small and drummer Gene Hoglan performed on the album.The album debuted at #21 on the Billboard Top 200 list. The band released The Dethalbum II on September 29, and is busy establishing the live line-up for the next tour.