Masutatsu Oyama
大山倍達
Language: Japanese
Masutatsu Oyama, more commonly known as Mas Oyama, was born Choi Yeong-eu. He was a karate master who founded Kyokushin Karate, considered the first and most influential style of full contact karate. As a Zainichi Korean, he spent most of his life living in Japan and acquired Japanese citizenship in 1968.