He became famous for punching men as hard as he could in the face until they fell down, bruised and bloodied, and could not stand up. He trained hard for years in order to enable himself to inflict the maximum amount of pain on his opponents.
Then he became ill because when you hit angry men they hit you back so he sustained many blows to his own head. Being punched repeatedly in the head can cause brain damage.
He converted to that religion of love called Islam.
Now he is dead.