Jack Dempsey Deanna Dempsey died in 2003. Jack Dempsey William Harrison "Jack" Dempsey (June 24, 1895 – May 31, 1983), nicknamed "Kid Blackie" and "The Manassa Mauler", was an American professional boxer who competed from 1914 to 1927, and reigned as the world heavyweight champion from 1919 to 1926. A cultural icon of the 1920s, Dempsey's aggressive fighting style and exceptional punching power made him one of the most popular boxers in history. Many of his fights set financial and attendance records, including the first million-dollar gate. Dempsey is ranked tenth on "The Ring" magazine's list of all-time heavyweights and seventh among
Mauler (comics) technology based on his stolen designs). Doyle eventually gains a new suit of Mauler armor and battles Canadian superhero team "Alpha Flight". Jim Rhodes briefly impersonates the Mauler. Doyle returns during the Civil War caused by the Superhuman Registration Act, and encounters superhero team the Avengers. Brendan Doyle is later recruited by Mandarin and Zeke Stane to join the other Iron Man villains in a plot to take down Iron Man. Roderick Kingsley later sold one of the Mauler armors to an unnamed criminal. Mauler IV is seen on Roderick Kingsley's side at the time when Hobgoblin (who was actually