Joe Louis
from 1937 to 1949 it was Joe Luis
Jack Johnson. Not the singer, the black heavyweight champion of the world. Dates back to the roaring 20's I believe.
Samuel Okon Peter (born September 6, 1980 in Akwa Ibom, Nigeria), nicknamed "The Nigerian Nightmare," is a professional American based heavyweight boxer and the former WBC world heavyweight boxing champion.
ali
Mohamed Ali
Muhammad ali
Rocky Marciano
Not at this time.
Rocky Marciano is the only heavyweight champion not to loose a fight.
geroge forman
mike Tyson aged 20.
joe louis