Muddy (born Mark Dutton) is a bassist who has played on the L.A. Guns album Man in the Moon, and on former L.A. Guns singer Jizzy Pearl's solo album Just A Boy. In the late 1980s, he was the bassist in Burning Tree.Boehm, Mike (11 April 1990). , Los Angeles Times
Reportedly, he occasionally sang lead vocals with L.A. Guns in concert.