Tomoyuki Oka
Acting
Born June 12, 1991 · Maebashi, Gunma Prefecture, Japan
Biography
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. A former NJPW World Television Champion and final official King of Pro Wrestling Champion, he is also a four-time IWGP Tag Team Champion with Jeff Cobb (2x), Aaron Henare, and Callum Newman. In 2026, he won the NEVER Openweight 6-Man Tag Team Championship alongside Henare and Will Ospreay. In recognition of his in-ring ability, he received Tokyo Sports’ Technique Award in 2021, Fighting Spirit Award in 2022, an…
Known For · 40 titles
All Elite Wrestling: Dynamite
Stardom on Stardom World
NJPW New Japan Cup 2021 - Day 13 (Final)
NJPW New Japan Cup
NJPW Road to The New Beginning 2026 - Day 6
NJPW Road to Wrestling Dontaku 2026 - Day 1
NJPW Road to Wrestling Dontaku 2026 - Day 2
NJPW Road to Wrestling Dontaku 2026 - Day 6
NJPW Road to Wrestling Dontaku 2026 - Day 7
NJPW The New Beginning In Osaka 2026
NJPW Road to The New Beginning 2026 - Day 2
NJPW Yuji Nagata Produce Blue Justice XVII ~ Aoyi Transition ~
NJPW Road to Wrestling Dontaku 2026 - Day 5
NJPW Road to Wrestling Dontaku 2026 - Day 8
NJPW Road to Wrestling Dontaku 2026 - Day 3
NJPW 54th Anniversary Event & New Japan Cup 2026 - Day 3
NJPW Road to The New Beginning 2026 - Day 7
NJPW New Japan Road in Karatsu 2026 ~ Ignition to Dominion
NJPW Road to The New Beginning 2026 - Day 1
NJPW Road to G1 Climax 36 - Day 5
NJPW Yuji Nagata Produce Blue Justice XVIII
NJPW Best of the Super Junior 25 - Day 1
NJPW Road to Tokyo Dome 2025 - Day 2
NJPW Road to G1 Climax 36 - Day 1
NJPW New Japan Cup 2022 - Day 15 (Final)
NJPW New Japan Cup 2026 - Day 1
NJPW Road to G1 Climax 36 - Day 2
NJPW G1 Climax 36 - Day 7
NJPW Road to Sakura Genesis 2023 - Day 2
NJPW Road to Tokyo Dome 2025 - Day 1
NJPW Road to Wrestling Dontaku 2026 - Day 4
NJPW Road to G1 Climax 36 - Day 3
NJPW New Japan Cup 2022 - Day 5
NJPW New Japan Cup 2021 - Day 7
NJPW New Japan Cup 2026 - Day 12 (Final)
NJPW Road to The New Beginning 2026 - Day 4
NJPW Road to G1 Climax 36 - Day 4
NJPW Burning Spirit 2022 - Day 14
NJPW Road to The New Beginning 2026 - Day 3
NJPW New Japan Cup 2022 - Day 14