The title was used in the early 20th century, notably by Joe Masseria and Salvatore Maranzano in the U.S..

(Italian for "The Boss of Bosses") primarily refers to a term used for the top leader of the Mafia, as well as a popular book and television series based on the life of Sicilian mobster Salvatore "Totò" Riina. The Mafia Title

In the UK, it was broadcast on Sky Arts under the title Corleone . The Investigative Book

A widely acclaimed Italian biographical crime drama that chronicles the rise and fall of Totò Riina, a ruthless leader of the Corleonesi clan.