Related Information for Pinhead Gunpowder Pinhead Gunpowder is an East Bay punk rock band consisting of Aaron Cometbus (drums, lyrics), Bill Schneider (bass), Billie Joe Armstrong (guitar, vocals) and Jason White (guitar, vocals). Mike Kirsch (guitar, vocals) of Fuel (think Monuments to Excess) was in the band when they first formed in 1991, but eventually left, citing personal differences with Green Day (the band for which Billie Joe Armstrong is most famous). The band's name comes from a brand of "high octane" gr.. read more