Hardcore punk vocalist known for his work with the seminal punk bands Black Flag and Circle Jerks. In 2010, he formed the supergroup OFF! with members of Burning Brides, Red Kross and Rocket From the Crypt.
He grew up in Hermosa Beach, California and co-founded Black Flag in 1976.
He voiced the DJ of Channel X, the fictional west coast punk rock radio station in the popular video game Grand Theft Auto V.
His father Jerry was a jazz drummer.
Along with guitarist Greg Ginn, he is one of the co-founders of Black Flag.