Green Day

Green 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 : Billie Joe Armstrong
bass guitar, backing vocals : Mike Dirnt (Michael Pritchard)
drums, percussion : Tré Cool (Frank E. Wright III)

Former member:
Drums: John Kiffmeyer alias Al Sobrante until 1990.