Jimmy Wilde (15 May 1892 – 10 March 1969) was a Welsh professional boxer and world boxing champion. He was the first official World Flyweight Champion and was rated by American boxing writer Nat Fleischer, as well as many other professionals and fans including former boxer, trainer, manager and promoter, Charley 'Broadway' Rose, as "the greatest flyweight ever." Wilde earned various nicknames such as, "The Mighty Atom," "Ghost with the Hammer in his Hand" and "The Tylorstown Terror."