Shūichirō Katsumura

Shuichiro Katsumura is a Japanese former mixed martial artist and professional wrestler who currently competes for Ganbare Pro-Wrestling, where he was a Spirit of Ganbare World Openweight Champion and Spirit of Ganbare World Tag Team Champion. He competed in the Flyweight, Bantamweight and Featherweight divisions. Katsumura is credited in popularizing the "Ninja Choke" submission and is the current owner of ZST.