Green Day is an American punk rock band formed in 1987 in Berkeley, California. The band consists of a trio of Billie Joe Armstrong, Mike Dirnt, and Tre Cool. Green Day is highly recognized for their success in making the famous punk rock genre again, together with Sublime, The Offspring, and Rancid. In 1990, along with their first drummer, John Kiffmeyer aka Al Sobrante, Green Day recorded their first album, 39 / Smooth. But in the same year, Tre Cool replaced drummer John Kiffmeyer who came o