And sometimes they use real-life Italian surnames in mafia movies, but from the wrong region. For example, in "La piovra" ("The octopus") series some bosses of the Cupola are named Bartoli, Tirie', Caria, Salvati, Ceresa, Brocchieri, Lifredi and De Pisis. Some of the surnames maybe don't even exist and others are common in other regions, not Sicily. One of them (don't remember which) is common in Sardinia. De Pisis (the chairman of the Cupola in the series) is a Campanian surname, a rather rare one.