Thomas Hearns is a retired American professional boxer, known for his incredible speed and power in the ring. Born on October 18, 1958, in Detroit, Michigan, he became a world champion in multiple weight classes, including welterweight, super welterweight, and middleweight. Hearns is often celebrated for his iconic fights during the 1980s, particularly against Sugar Ray Leonard and Marvin Hagler. Throughout his career, Hearns earned the nickname "The Hitman" due to his knockout ability, finishing over 60% of his fights by knockout. He was inducted into the International Boxing Hall of Fame in 2012, solidifying his legacy as one of the greatest boxers of his era.