High Quality Content by WIKIPEDIA articles! Vito Cascioferro or Vito Cascio Ferro (January 22, 1862 – c. 1942, summer 1943 or 1945), also known as Don Vito, was a prominent member of the Sicilian Mafia. He also operated for several years in the United States. He is often depicted as the "boss of bosses", although such a position does not exist in the loose structure of Cosa Nostra in Sicily.