Hiroshi Kawashima
Boxer
Former WBC Super Flyweight champion who defended his title a whopping 6 times.
He won a national high school boxing tournament during his senior year.
After retirement, he founded his own gym and has appeared as a boxing commentator.
His older brother, Shinobu Kawashima, is also a professional boxer.
He and Armenian fighter Vic Darchinyan have both been WBC Super Flyweight champions.