Tomoyuki Oka
Birthday: 1991-06-12 | Place of Birth: Maebashi, Gunma Prefecture, JapanTomoyuki 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).
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Known For
Acting
Year
Title
Role
2026
NJPW Road to The New Beginning 2026 - Day 2
as Great-O-Khan
2026
NJPW Road to The New Beginning 2026 - Day 3
as Great-O-Khan
2026
NJPW Road to The New Beginning 2026 - Day 6
as Great-O-Khan
2026
NJPW Road to The New Beginning 2026 - Day 8
as Great-O-Khan
2026
NJPW Road to The New Beginning 2026 - Day 9
as Great-O-Khan
2026
NJPW Road to The New Beginning 2026 - Day 10
as Great-O-Khan
2026
NJPW New Japan Cup 2026 - Day 1
as Great-O-Khan
2026
NJPW New Japan Cup 2026 - Day 7
as Great-O-Khan
2026
NJPW New Japan Cup 2026 - Day 10
as Great-O-Khan
2025
NJPW Dominion 6.15 In Osaka-Jo Hall
as Great-O-Khan
2025
NJPW Wrestling Redzone in Hiroshima
as Great-O-Khan
2025
NJPW G1 Climax 35: Day 8
as Great-O-Khan
2025
NJPW G1 Climax 35: Day 6
as Great-O-Khan
2025
NJPW G1 Climax 35: Day 4
as Great-O-Khan
2025
NJPW G1 Climax 35: Day 2
as Great-O-Khan
