Mas Oyama (born Choi Yeong-eui) was a legendary Korean-Japanese karate master who founded , the world's first and most influential style of full-contact karate. Often referred to by the nickname "Godhand," his teachings revolutionized martial arts by moving away from point-based sparring toward realistic, bare-knuckle combat. Core Philosophy: "The Ultimate Truth"

The name translates to "The Ultimate Truth," representing Oyama's belief that true potential is only discovered through the struggle of relentless training and real combat.