Tomoyuki Oka
Acting
Tomoyuki Oka, better known by his ring name Great-O-Khan, is a Japanese professional wrestler signed to New Japan Pro-Wrestling (NJPW), where he is a member of the United Empire stable. He also wrestles for NJPW's United Kingdom based partner promotion Revolution Pro Wrestling (RevPro), where he is the former Undisputed British Heavyweight Champion. In NJPW, he is a two-time IWGP Tag Team Champion (with Jeff Cobb).
Known for
2026NJPW Wrestle Kingdom 20
Great-O-Khan
2026NJPW New Year Dash !! 2026
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 1
Great-O-Khan
2026NJPW Yuji Nagata Produce Blue Justice XVII ~ Aoyi Transition ~
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 2
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 3
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 4
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 5
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 6
Great-O-Khan
2026NJPW The New Beginning In Osaka 2026
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 8
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 9
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 10
Great-O-Khan
2026NJPW Road to The New Beginning 2026 - Day 7
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 1
Great-O-Khan
2026NJPW 54th Anniversary Event & New Japan Cup 2026 - Day 3
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 4
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 5
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 7
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 8
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 9
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 10
Great-O-Khan
2026NJPW New Japan Cup 2026 - Day 12 (Final)
Great-O-Khan
2026NJPW Sakura Genesis 2026
Great-O-Khan