Greg Scarpa was an American mobster, infamous for leading a violent faction of the Colombo crime family during the 1990s.
Charles Makley was a notorious American gangster and bank robber during the Prohibition era, known for his criminal exploits and daring prison escapes.
Frank Nitti was a notorious American mobster, enforcer and eventual boss of the Chicago Outfit, infamous for his criminal activities and connections to Al Capone.
Richard Kuklinski, a notorious American contract killer and mafia hitman, earned the moniker "The Iceman" due to his chilling methods of freezing victims to conceal time of death.