Dizzy "The Hump" Spleen is a character in the Grand Theft Auto series who appears as a minor character in Grand Theft Auto 2. He is also mentioned on the Rednecks promotional website for Grand Theft Auto 2. Spleen is mentioned in a post script of an e-mail sent to Billy Bob Bean by his father. He also appears during the mission Penal Ties!, imprisoned. He gives Claude Speed the key card for the guard room where he can change clothes and get a Machine Gun. The Hump might have been killed during the riot which sparked out in the prison.