Green Day - DookieGreen Day is a pop punk alternative rock band from East Bay, California that formed in 1987. They were originally called Sweet Children, but changed their name before their first release. Current lineup lead vocals, guitars : [a=Billie Joe Armstrong] bass guitar, backing vocals : Mike Dirnt ([a=Michael Pritchard]) drums, percussion : Tr Cool ([a=Frank E. Wright] III) Former member: Drums: [a=John Kiffmeyer] alias [a=Al Sobrante] until 1990. Released: