Tomoyuki Oka
Born: 1991-06-12
• Maebashi, Gunma Prefecture, Japan
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).
Filmography
NJPW New Japan Cup 2026 - Day 1
NJPW The New Beginning In Osaka 2026
NJPW Road to The New Beginning 2026 - Day 10
NJPW Road to The New Beginning 2026 - Day 9
NJPW Road to The New Beginning 2026 - Day 8
NJPW Road to The New Beginning 2026 - Day 7
NJPW Road to The New Beginning 2026 - Day 6
NJPW Road to The New Beginning 2026 - Day 5
NJPW Road to The New Beginning 2026 - Day 4
NJPW Road to The New Beginning 2026 - Day 3
NJPW Road to The New Beginning 2026 - Day 2
NJPW Road to The New Beginning 2026 - Day 1
NJPW Yuji Nagata Produce Blue Justice XVII ~ Aoyi Transition ~
NJPW New Year Dash !! 2026
NJPW Wrestle Kingdom 20
NJPW Road to Tokyo Dome 2025 - Day 3
NJPW Road to Tokyo Dome 2025 - Day 2
NJPW Road to Tokyo Dome 2025 - Day 1
NJPW World Tag League 2025 - Day 17 (Final)
NJPW World Tag League 2025 - Day 16
NJPW World Tag League 2025 - Day 15
NJPW World Tag League 2025 - Day 14
NJPW World Tag League 2025 - Day 13
NJPW World Tag League 2025 - Day 12
NJPW World Tag League 2025 - Day 11
NJPW World Tag League 2025 - Day 10
NJPW World Tag League 2025 - Day 9
NJPW World Tag League 2025 - Day 8
NJPW World Tag League 2025 - Day 7
NJPW World Tag League 2025 - Day 6
NJPW World Tag League 2025 - Day 5
NJPW World Tag League 2025 - Day 4
NJPW World Tag League 2025 - Day 3
NJPW World Tag League 2025 - Day 2
NJPW World Tag League 2025 - Day 1
NJPW New Japan Road in Anjo 2025
NJPW Hiroshi Tanahashi ~ Final Homecoming
NJPW Destruction In Kobe 2025
NJPW G1 Climax 35: Day 19 (Final)
NJPW G1 Climax 35: Day 18
NJPW G1 Climax 35: Day 17
NJPW G1 Climax 35: Day 16
NJPW G1 Climax 35: Day 15
NJPW G1 Climax 35: Day 12
NJPW G1 Climax 35: Day 11
NJPW G1 Climax 35: Day 10
NJPW G1 Climax 35: Day 9
NJPW G1 Climax 35: Day 8
NJPW G1 Climax 35: Day 7
NJPW G1 Climax 35: Day 6
NJPW G1 Climax 35: Day 5
NJPW G1 Climax 35: Day 4
NJPW G1 Climax 35: Day 3
NJPW G1 Climax 35: Day 2
NJPW G1 Climax 35: Day 1
NJPW New Japan Soul 2025 - Day 8
NJPW Tanahashi Jam
NJPW Dominion 6.15 In Osaka-Jo Hall
NJPW Wrestling Dontaku 2025 - Night 2
NJPW Wrestling Dontaku 2025 - Night 1
NJPW Wrestling Redzone in Hiroshima
NJPW Sakura Genesis 2025
NJPW New Japan Cup 2025 - Day 3
NJPW New Japan Cup 2025 - Day 2
NJPW New Japan Cup 2025 - Day 1
NJPW The New Beginning In Osaka 2025
NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata
NJPW New Year Dash!! 2025
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty
NJPW Wrestle Kingdom 19
NJPW x STARDOM: Historic X-Over II
NJPW Power Struggle ~ Super Junior Tag League 2024
NJPW Destruction in Kobe 2024
NJPW Road to Destruction 2024: Day 5
NJPW Road to Destruction 2024: Day 4
NJPW Road to Destruction 2024: Day 3
NJPW Road to Destruction 2024: Day 2
NJPW Shingo Takagi's 20th Debut Anniversary Event
NJPW G1 Climax 34: Day 19 (Final)
NJPW G1 Climax 34: Day 18
NJPW G1 Climax 34: Day 17
NJPW G1 Climax 34: Day 16
NJPW G1 Climax 34: Day 15
NJPW G1 Climax 34: Day 14
NJPW G1 Climax 34: Day 13
NJPW G1 Climax 34: Day 12
NJPW G1 Climax 34: Day 11
NJPW G1 Climax 34: Day 10
NJPW G1 Climax 34: Day 9
NJPW G1 Climax 34: Day 8
NJPW G1 Climax 34: Day 7
NJPW G1 Climax 34: Day 6
NJPW G1 Climax 34: Day 5
NJPW G1 Climax 34: Day 4
NJPW G1 Climax 34: Day 3
NJPW G1 Climax 34: Day 2
NJPW G1 Climax 34: Day 1
NJPW New Japan Soul 2024: Day 7
NJPW New Japan Soul 2024: Day 5
NJPW New Japan Soul 2024: Day 4