“Mr. Rocco had fairly limited screen time in ‘The Godfather’ (1972), but he emerged from that film with a collection of signature lines, including ‘You don’t buy me out. I buy you out’ and ‘Do you know who I am?’ (both spoken to the Godfather-in-waiting, played by Al Pacino), and a Hollywood reputation for stealing scenes with little more than a Boston attitude and his eyebrows.”