THE LAST DON: "MICKEY" COHEN -- THE SUNSET KINGPIN was a ruthless gangster based in Los Angeles and part of the Jewish Mafia. He also had strong ties to the American Mafia from the 1930s through 1960s.
Alvin "Old Creepy" Karpis, 1908 - 1979. Along with Freddie Barker, who he met in prison, Karpis led the Barker-Karpis gang on a five-year crime spree throughout the Midwest. The men stole over $1 million and killed approximately 10 people. Karpis was captured in New Orleans by J. Edgar Hoover himself. He spent most of his 33 years in prison on Alcatraz, and was deported to Canada on his release, where he wrote his memoirs. He died in Spain from an overdose of sleeping pills.
Charles Dean O'Banion (July 8, 1892 – November 10, 1924) was an Irish-American mobster who was the main rival of Johnny Torrio and Al Capone during the brutal Chicago bootlegging wars of the 1920s. The newspapers of his day made him better known as Dion O'Banion, although he never went by that first name. He led the North Side Gang until he was murdered by Frankie Yale, John Scalise and Albert Anselmi in 1924.
MARCH 19, 1943 - "Francesco Raffaele Nitto (January 27, 1886 – March 19, 1943), also known as Frank "The Enforcer" Nitti, was an Italian American gangster. One of Al Capone's top henchmen, Nitti was in charge of all strong-arm and 'muscle' operations. Nitti was later the front-man for the Chicago Outfit, the organized crime syndicate headed by Capone."