 Suicidal Tendencies formed in Santa Monica, Los Angeles, California in 1980 by Mike Muir, guitarist Mike Ball, bassist Mike Dunnigan and drummer Carlos Egert.A short-lived lineup, Ball and Egert left after a matter of months, prompting Mike Dunnigan (†) to switch to guitar and having his brother, Sean, join on drums, and Andrew Evans joined on bass.Mike Dunnigan would later be replaced by Rick Battson.