Шьодзан Мацуо

Founder of the Hokushin School. A master karateka who wishes to measure his strength. Calls himself "The Strongest of all". Wishing to fight strong opponents, he organizes a tournament with Tatsumi giving the winner a chance to challenge him. Based on real life Kyokushinkai Karate fighter Mas Oyama, founder of the Kyokushinkaikan karate.