Just some random names:

camorra: brothers Ciro and Gennaro Lo Bove

'ndrangheta: Giuseppe "The Judge" De Judicibus (yes, such a surname does actually exist)

Cosa Nostra: Salvatore "Toto' the Shepherd" Pecoraro

Willie Marfeo to Henry Tameleo:

1) "You people want a loaf of bread and you throw the crumbs back. Well, fuck you. I ain't closing down."

2) "Get out of here, old man. Go tell Raymond to go shit in his hat. We're not giving you anything."