Question: What was the nickname of the real gangster whom the Godfather's Morris "Moe" Greene name is a partial composite of? 
Sentence (from "Moe Dalitz"): Morris Barney Dalitz (December 25, 1899 – August 31, 1989), known as Moe Dalitz, was an American gangster, businessman, casino owner and philanthropist.
Relevant evidence: No