Bassist and co-founder of the punk rock band Green Day.
He was given up for adoption when his heroin-addicted mother could no longer care for him.
He is the bassist, backup vocalist, and co-founder of the band Green Day, and used to play air bass during school while making strange bass noises, hence his assumed last name, Dirnt.
He got married to Anastasia Serman in 1996, then to Sarah Garrity in 2003, and to Brittney cade on March 14, 2009.
He was in Green Day with Billie Joe Armstrong.