| Group Members | Billie Joe ArmstrongMike DirntTre Cool |
| Former Members | John Kiffmeyer |
| Genre | Punk rockpop punkalternative rock |
| Genre Links | Alternative Rock, Pop/Rock |
| Origin | East Bay, California, United States |
| Year(s) Active | 1987–present |
| Music Style | Alternative Pop/ Rock, Punk Revival, Post-Grunge, Punk-Pop, Alternative/ Indie Rock |
| Music Mood | Cynical/Sarcastic, Manic, Rousing, Boisterous, Snide, Ironic, Quirky, Brash, Freewheeling, Humorous, Rebellious, Messy, Playful, Rambunctious, Wry, Raucous, Irreverent |
| Labels | Lookout!Reprise |
| Official Website | greenday.com |
| Associated Acts | The LookoutsPinhead GunpowderThe FrustratorsThe NetworkFoxboro Hot TubsRodeo QueensIsocracy |
Green Day is an American punk rock band formed in 1987. The band consists of lead vocalist and guitarist Billie Joe Armstrong, bassist and backing vocalist Mike Dirnt, and drummer Tre Cool. Cool replaced former drummer John Kiffmeyer in 1990, prior to the recording of the band's second studio album, Kerplunk, and has been a member of the band since.
Selected Green Day film and TV show credits: