Jason Cropper (born ) was an original guitarist for Weezer, and so was present at the band's first practice on February 14, 1992. He left during recording of Weezer (aka The Blue Album), Weezer's first full length album. He did, however, also record on the band's three demo tapes. After leaving Weezer he toured and recorded with his band Chopper One that featured his now wife, Amy.