Mitsuyo Kureishi

Kureishi Mitsuyo, also known as The Freak is Imai Cosmo and Adam Dudley's master, an MMA fighter and a chiropractor. Kureishi is a powerful fighter with at least 10 years experience in both Brazilian jiu-jitsu and mixed martial arts. He is also known as a prodigy in the Japanese MMA sphere, being considered one of the top 10 MMA fighters in Japan.

(Source: Kenganverse Wiki)