Tim Commerford

Tim Robert Commerford (born February 26, 1968 in Irvine, California), also known by his various monikers/stage names (Timmy C., Y. tim K., Simmering T, Tim Bob, and tim.com) is the Bassist/backing vocalist for American rock band Rage Against The Machine and the now-defunct Audioslave. His latest project is called Future User.