Koji Murofushi, Japanese hammer thrower
Koji Alexander Murofushi (広治アレクサンダー室伏, Kōji Arekusandā Murofushi, born October 8, 1974) is a former Japanese-Romanian hammer thrower and sports scientist. He has been among the world elite since the 2001 World Championships, where he won the silver medal. He was the 2004 Olympic champion. In 2011, he was crowned world champion.