He won multiple championships during his sumo career .
Fun Fact II : Koji Kitao became known in Japan initially as a sumo wrestler , a sport he started in at the age of 15 .
Fun Fact II won multiple championships during Fun Fact II 's sumo career .
Fun Fact II : Koji Kitao became known in Japan initially as a sumo wrestler , a sport he started in at the age of 15 .