Mike Tyson

 Michael Gerard Tyson (born June 30, 1966) is an American former professional boxer who competed between 1985 and 2005. Nicknamed "Iron Mike" and "Kid Dynamite" in his early career and then later as "The Baddest Man on the Planet", Tyson is considered to be one of the most feared heavyweight boxers of all time. From 1987 to 1990 Tyson was the reigning champion of the heavyweight world division. Tyson had his first 19 professional bouts through knockouts, 12 of them in the opening round. He won his first belt when he was 20 years, 4 months, and 22 days old Tyson holds the record as the youngest boxer ever to be awarded a heavyweight title. Tyson was the first heavyweight to hold the WBA, WBC and IBF titles, and was the only heavyweight to combine them in succession. Tyson was crowned the champion of the lineal in the year 1990 when he defeated Michael Spinks within 91 seconds. In one of the biggest upsets in history, Tyson was defeated by Buster Douglas in 1990.