"Sullivan" is a song by Caroline's Spine and the debut single from their major label debut album, Monsoon. It was previously included on their independently released albums, and Huge, in 1995 and '96. The song was later included on the 2006 compilation, The Collection. It quickly became the band's most popular song, and despite only reaching #23 on Billboard's Mainstream Rock Tracks, "Sullivan" maintains strong popularity for both its accessible melody and compelling subject matter.