Dion " Deanie" O'Banion, Northside Chief Samuel "Nails" Morton Louis "Two Gun" Alterie Vincent "The Schemer" Drucci George Clarence "Bugs" Moran Julian "Potatoes" Kaufman Barney Bertsche Leo Mongoven James Clark Frankie "Hock" Gusenberg Peter "Goosey" Gusenberg Earl J. "Hymie" Weiss Al "Gorilla" Weinshenker (Weinshank) Adam Heyer, alias John Snyder John May Highball