Frank Ralph Nitto (born Raffaele Nitto, Italian: [franˈtʃesko raffaˈɛːle ˈnitto]; January 27, 1886 – March 19, 1943), known as Frank Nitti, was an Italian-American organized crime figure based in Chicago. The first cousin and bodyguard of Al Capone, Nitti was in charge of all money flowing through the operation. Nitti later succeeded Capone as acting boss of the Chicago Outfit.