Hoobastank is an American rock band that was formed in Agoura Hills, California, in 1994. Known for their fusion of post-grunge and alternative rock, the band features Doug Robb on lead vocals, Dan Estrin on guitar, Chris Hesse on drums, and Markku Lappalainen on bass. They gained international recognition with their breakout hit "The Reason" in 2003, which showcased the band's melodic, emotive style and solidified their place in early 2000s pop culture. Hoobastank's distinctive sound has left a significant impact on the alternative rock scene.