Tomoyuki Oka, better known by his ring name Great-O-Khan, is a Japanese professional wrestler. He is signed to New Japan Pro-Wrestling, where he is a member of the United Empire stable and is one-thir

Wrestle Kingdom 15 in Tokyo Dome was a professional wrestling pay-per-view event produced by New Japan Pro-Wrestling. The event took place over two nights, on January 4 and 5, 2021 at the Tokyo Dome i