Mike Dirnt
Michael Ryan Pritchard (born May 4, 1972), better known as Mike Dirnt, is an American musician. He is best known as the bass player, backing and occasional lead vocalist and co-founder of the American punk rock band Green Day. He has also played in several other bands, including The Frustrators. His stage name was originally a nickname from his friends at grade school, as he would constantly play "air bass" and make a "dirnt, dirnt, dirnt" noise while pretending to pluck the strings.