Former frontman of the hardcore and punk band Black Flag, which disbanded in 1986. He also fronted The Rollins Band, known for songs like "Liar." In 2013, he began hosting the TV series 10 Things You Don't Know About.
As a teenager, he performed in a variety of hardcore bands. He started attending American University but dropped out and worked minimum wage gigs while making music.
He has hosted radio shows and also appeared in a few TV shows, including Jackass and Sons of Anarchy.
He was born in Washington D.C. to Paul and Iris Garfield.
He has campaigned for many political causes and, in 2012, he began to write articles for The Huffington Post, which was established by Ariana Huffington.