Fall Out Boy is an American rock (rock music) band from Wilmette (Wilmette, Illinois), Illinois, formed in 2001. The band consists of vocalist-rhythm guitarist Patrick Stump, lead guitarist Joe Trohman, bassist Pete Wentz and drummer Andy Hurley.

With Pete Wentz as the bands primary lyricist and Patrick Stump as the primary composer, Fall Out Boy reached mainstream success with its major label debut, From Under the Cork Tree. Released in 2005, the album won several awards and has achieved double platinum (RIAA certification) status after selling more than 2.5 million albums in the United States alone. To support the album, the band headlined tours around the world in 2005 and 2006.

In 2007 the band released Infinity on High to major chart success, reaching #1 on the Billboard 200 and selling 260,000 copies its first week. The lead single, "This Aint a Scene, Its an Arms Race", reached #1 on the Pop 100 and #2 on the Billboard Hot 100 (Billboard Hot 100). To promote the album, the band performed at the Live Earth concerts and headlined the Honda Civic Tour through mid 2007.

On February 2, 2010, the band reportedly broke up although no official press statement was released.Patrick Stump Declares: Im Not In Fall Out Boy Right Now On both February 4, 2010 and February 6, 2010, the bands current status was made more clear and the indefinite hiatus was re-confirmed.Update: Fall Out Boy Downplay Breakup Chatter - Spin.comPete Wentz: Fall Out Boy on a Break, Not Breakup - E! Online