Billie Joe Armstrong (born February 17, 1972) is an American singer, songwriter, and actor who is best known as the lead vocalist, primary songwriter, and guitarist of the
punk rock band
Green Day, which he co-founded with
Mike Dirnt. He is also a guitarist and vocalist for the punk rock band
Pinhead Gunpowder and provides lead vocals for Green Day's side projects
Foxboro Hot Tubs and
The Network.