Henry Rollins

Henry Rollins is an an American actor, musician and social activist from Washington D.C. In addition to his old bands State of Alert, Black Flag and Rollins Band, Rollins was invited to preform guest vocals on renound Heavy Metal guitarist and former Black Sabbath member Tony Iommi's debut 2000 release Iommi. On the Adventure Time episode "Her Parents," Rollins provided the voice of Lady Rainicorn's father Bob Rainicorn.