Hoobastank (often stylized as h∞bastank) is an American rock band, formed in 1994 in Agoura Hills, California with lead singer Doug Robb, guitarist Dan Estrin, drummer Chris Hesse, and original bassist Markku Lappalainen. They were signed to Island Records from 2001 to 2012 and have released five albums and one extended play to date. Their fifth studio album, "Fight or Flight", was released on September 11, 2012. They have sold 10 million albums worldwide