Claude “Screwy” Maddox, real name John Edward Moore, a one time member of Egan’s Rats from St. Louis.

Claude Maddox was leader of the Circus Cafe Gang, whose members included Anthony ” Tough Tony” Capezio, Vincenzo De Mora (Machine Gun Jack McGurn) & Anthony “Big Tuna” Accardo.

Claude “Screwy” Maddox was alleged to have been one of the planners of the St. Valentine’s Day Massacre