Dean Matthew Roll is an American professional wrestler, best known for his appearances in Total Nonstop Action Wrestling (TNA) under the ring name Shark Boy. Prior to his appearances in TNA, Roll competed on the independent scene from the mid-1990s onwards before being signed by World Championship Wrestling (WCW) in 1999. Following his release from WCW six months later in 2000, Roll returned to the independent scenes, mainly competing for the World Wrestling All-Stars (WWA) promotion. He would leave WWA in 2002 to join TNA, where he became a member of the TNA X Division. He would make sporadic appearances in TNA from 2009 onwards.