Michael Gerard Tyson (born June 30, 1966) is an American former professional boxer. Nicknamed "Iron Mike" and "Kid Dynamite" in his early career and later known as "the Baddest Man on the Planet," Tyson is regarded as one of the greatest heavyweight boxers of all time. Tyson was known for his ferocious and intimidating boxing style and his controversial behavior inside and outside the ring.

Source: Wikipedia