Thomas Baptist Morello is an American musician, singer, songwriter, actor and political activist. He is best known for his tenure with the band Rage Against the Machine and then with Audioslave. As of 2016, Morello is a member of the supergroup Prophets of Rage. Morello was also a touring musician with Bruce Springsteen and the E Street Band. He is also known for his acoustic solo act, the Nightwatchman, and Street Sweeper Social Club.