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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Gangster nickname:

NITTI: Gangster nicknamed "The Enforcer"
CAPONE: Gangster nicknamed "Scarface"
BUGSY: Classic gangster nickname
SCARFACE: Gangster nickname
BUGSY: Gangster's nickname
MACHINEGUNKELLY: *Nickname of gangster George K. Barnes