(1966– )
a US boxer who became the World Heavyweight Champion (1987–90 and 1996). He was sent to prison (1992–5) for rape (= the sex act forced on somebody). In 1996 he was defeated by Evander Holyfield, and when they fought again in 1997, Tyson bit off part of his opponent’s ear, and Holyfield was automatically declared the winner.