Mike Muir (born March 14, 1963) is the lead vocalist of the Venice, California crossover thrash bands Suicidal Tendencies, Los Cycos and the funk metal band Infectious Grooves. He has also released several solo albums under his nickname Cyco Miko. Muir's trademark is wearing bandanas, jerseys with the number 13, and hats with block style letters that read "Suicidal".