Thomas Baptist[citation neeed] Morello (born May 30, 1964) is a Grammy Award-winning American guitarist best known for his tenure with the bands Rage Against the Machine and Audioslave, and as the acoustic artist The Nightwatchman, He was featured as one of 20 guitarists in Rolling Stone's "The Top 20 New Guitarists" article. An outspoken political activist, he was also ranked #26 on Rolling Stone's list of the "100 Greatest Guitarists of All Time".