Tomoyuki Oka
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
All Elite Wrestling: Dynamite
Stardom on Stardom World
NJPW Road to Sakura Genesis 2023 - Day 2
My Dad Is a Heel Wrestler
NJPW New Japan Cup
NJPW World Tag League 2025 - Day 1
NJPW New Years Golden Series 2022 - Day 2
AEW x NJPW Presents Forbidden Door 2022
NJPW Wrestle Kingdom 20
NJPW Wrestling Dontaku 2018 - Night 1
NJPW The New Beginning In Sapporo 2024 - Day 1
NJPW World Tag League 2025 - Day 14
NJPW Wrestling Dontaku 2022
NJPW The New Beginning In Sapporo 2024 - Day 2
NJPW Dominion 6.15 In Osaka-Jo Hall
NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata
NJPW New Japan Cup 2023: Day 3
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best of the Super Junior 31 Final ~
NJPW Dominion 6.11 in Osaka-jo Hall
NJPW Capital Collision 2022
NJPW Road to The New Beginning 2026 - Day 10
NJPW 45th Anniversary Show
NJPW The New Beginning in Nagoya
NJPW Wrestle Kingdom 19
NJPW New Japan Cup 2026 - Day 12 (Final)
RevPro High Stakes 2020
NJPW Best of the Super Junior 25 - Day 1
NJPW 52nd Anniversary Event & New Japan Cup 2024 - Day 1
NJPW G1 Climax 31: Day 19 (Final)
NJPW G1 Climax 34: Day 15