High Quality Content by WIKIPEDIA articles! Masahiro Chono is a Japanese professional wrestler. He primarily wrestles for New Japan Pro Wrestling, but has also made appearances for the now defunct World Championship Wrestling, as a member of the New World Order. Chono, called Mister Black Jack when he first started as a villain, is one of the top villains in Japanese wrestling history. He is a former NWA World Champion and IWGP Heavyweight Champion.