Kōichirō Matsumoto
- Born
- 7 March 1986, Tokushima Prefecture
- Age
- 40
Kōichirō Matsumoto (born 7 March 1986), known online as Jobin, is a Japanese mixed martial arts fighter, comedian, YouTuber and professional gamer from Tokushima Prefecture. He became the fourth DEEP featherweight champion, and he was in the 27th class of the comedy school Yoshimoto New Star Creation in Osaka. As a professional gamer he plays Street Fighter 6, and his YouTube channel, Jobin Channel, had about 66,400 subscribers in April 2025.
Kōichirō Matsumoto’s social media accounts
3 external identifiers
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