Yōhei Nakajima (born August 22, 1985), better known by the ring names Menso-re Oyaji and Black Menso-re, is a Japanese professional wrestler currently working as a freelancer. He primarily appears for Japanese promotion Pro Wrestling NOAH as of 2026, but is also known for his tenure with All Japan Pro-Wrestling (AJPW), where he became a five-time GAORA TV Champion, and Okinawa Pro-Wrestling.