Green Day is a band from California. The band was originally created by a few teenagers in 1987 and was called Sweet Children. In 1994, they became very mainstream with their album Dookie with hits such as "Longview" and "When I Come Around". In 2005, they made a large hit called American Idiot on an album of the same name, which targeted George Bush. Billy Joe Armstrong, the lead singer, is an atheist  and thinks many in the Republican Party are ‘Rotten To The Core’. 
They have made four albums since American Idiot, which are 21st Century Breakdown, uno!, dos!, and Tres!.