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).
NJPW Wrestle Grand Slam in MetLife Dome: Night 2
(Great-O-Khan)
NJPW G1 Climax 31: Day 1
(Great-O-Khan)
NJPW G1 Climax 31: Day 3
(Great-O-Khan)
NJPW G1 Climax 31: Day 5
(Great-O-Khan)
NJPW G1 Climax 31: Day 7
(Great-O-Khan)
NJPW G1 Climax 31: Day 9
(Great-O-Khan)
NJPW G1 Climax 31: Day 11
(Great-O-Khan)
NJPW G1 Climax 31: Day 13
(Great-O-Khan)
NJPW G1 Climax 31: Day 17
(Great-O-Khan)
NJPW G1 Climax 31: Day 15
(Great-O-Khan)
NJPW G1 Climax 31: Day 19 (Final)
(Great-O-Khan)
NJPW: The New Beginning in Osaka 2023
(Great-O-Khan)
NJPW Wrestle Kingdom 16: Night 1
(Great-O-Khan)
NJPW Wrestle Kingdom 16: Night 2
(Great-O-Khan)
NJPW New Year’s Golden Series Night 1
(Great-O-Khan)
NJPW New Years Golden Series 2022 - Day 2
(Great-O-Khan)
NJPW Sakura Genesis 2023
(Great-O-Khan)
NJPW G1 Climax 32: Day 1
(Great-O-Khan)
NJPW New Years Golden Series 2022 - Night 6
(Great-O-Khan)
NJPW New Year’s Golden Series Night 9
(Great-O-Khan)
New year’s Golden Series night 14
(Great-O-Khan)
NJPW New Years Golden Series 2022 - Day 10
(Great-O-Khan)
NJPW G1 Climax 33: Day 3
(Great O-Khan)
NJPW G1 Climax 33: Day 5
(Great O-Khan)
NJPW G1 Climax 33: Day 9
(Great O-Khan)
NJPW G1 Climax 33: Day 11
(Great O-Khan)
NJPW G1 Climax 33: Day 7
(Great O-Khan)
NJPW The New Beginning In Sapporo 2023 - Night 1
(Great-O-Khan)
NJPW G1 Climax 33: Day 1
(Great-O-Khan)
NJPW The New Beginning In Sapporo 2023 - Night 2
(Great-O-Khan)
NJPW G1 Climax 33: Day 14
(Great O-Khan)
NJPW G1 Climax 32: Day 2
(Great-O-Khan)
NJPW G1 Climax 33: Day 13
(Great-O-Khan)
NJPW G1 Climax 32: Day 3
(Great-O-Khan)
NJPW G1 Climax 32: Day 4
(Great-O-Khan)
NJPW G1 Climax 33: Day 15
(Great-O-Khan)
NJPW Windy City Riot
(Great O-Khan)
NJPW G1 Climax 33: Day 16
(Great-O-Khan)
NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2
(Great-O-Khan)
NJPW New Japan Cup 2023: Day 3
(Great-O-Khan)
NJPW G1 Climax 32: Day 5
(Great-O-Khan)
NJPW New Japan Cup 2023: Day 4
(Great-O-Khan)
NJPW Wrestling Dontaku
(Great-O-Khan)
NJPW G1 Climax 33: Day 17
(Great-O-Khan)
NJPW G1 Climax 33: Day 19 (Final)
(Great-O-Khan)
NJPW G1 Climax 33: Day 18
(Great-O-Khan)
RevPro: Uprising 2019
(The Great-O-Kharn)
RevPro Epic Encounter 2023
(Great-O-Khan)
RevPro: Uprising 2022
(Great-O-Khan)
NJPW Capital Collision 2022
(Great-O-Khan)
NJPW Dominion 6.12 In Osaka-Jo Hall
(Great-O-Khan)
AEW x NJPW Presents Forbidden Door
(Great-O-Khan)
NJPW x STARDOM: Historic X-Over
(Great-O-Khan)
NJPW The New Beginning in Osaka 2024
(Great O-Khan)
NJPW The New Beginning In Sapporo 2024 - Night 1
(Great O-Khan)
NJPW Wrestle Kingdom 17: Night 1 in Tokyo Dome
(Great-O-Khan)
NJPW Wrestle Kingdom 17 Pre-Show
(Great O-Khan)
NJPW Sakura Genesis 2024
(Great-O-Khan)
NJPW New Year Dash!! 2024
(Great-O-Khan)
NJPW Wrestling Dontaku 2024 - Night 1
(Great-O-Khan)
NJPW Wrestling Dontaku 2024 - Night 2
(Great-O-Khan)
NJPW The New Beginning In Sapporo 2024 - Night 2
(Great-O-Khan)
RevPro Revolution Rumble 2023
(Great-O-Khan)
NJPW G1 Climax 32: Day 6
(Great-O-Khan)
NJPW G1 Climax 32: Day 8
(Great-O-Khan)
NJPW G1 Climax 32: Day 9
(Great-O-Khan)
NJPW G1 Climax 32: Day 11
(Great-O-Khan)
NJPW G1 Climax 32: Day 7
(Great-O-Khan)
NJPW G1 Climax 32: Day 10
(Great-O-Khan)
NJPW G1 Climax 32: Day 12
(Great-O-Khan)
NJPW G1 Climax 32: Day 13
(Great-O-Khan)
NJPW G1 Climax 32: Day 14
(Great-O-Khan)
NJPW Battle Autumn 2022 - Night 16
(Great-O-Khan)
NJPW G1 Climax 32: Day 20 (Final)
(Great-O-Khan)
NJPW The New Beginning in Nagoya
(Great-O-Khan)
NJPW G1 Climax 32: Day 15
(Great-O-Khan)
NJPW G1 Climax 32: Day 17
(Great-O-Khan)
NJPW G1 Climax 30: Day 19 (Final)
(Great-O-Khan)
NJPW Wrestle Grand Slam In Tokyo Dome
(Great-O-Khan)
NJPW New Year Dash !! 2023
(Great-O-Khan)
NJPW: Royal Quest II - Night 2
(Great-O-Khan)
NJPW Destruction in Kobe 2017
(Tomoyuki Oka)
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~
(Great-O-Khan)
NJPW Power Struggle 2021
(Great-O-Khan)
NJPW Power Struggle ~ Super Junior Tag League 2023
(Great-O-Khan)
NJPW Declaration Of Power
(Great-O-Khan)
NJPW G1 Climax 34: Day 1
(Great-O-Khan)
RevPro: High Stakes 2020
(The Great-O-Kharn)
NJPW New Japan Soul 2024: Day 2
(Great-O-Khan)
NJPW New Japan Soul 2024: Day 1
(Great-O-Khan)
NJPW G1 Climax 34: Day 2
(Great-O-Khan)
NJPW G1 Climax 34: Day 3
(Great-O-Khan)
NJPW G1 Climax 34: Day 8
(Great-O-Khan)
NJPW G1 Climax 34: Day 5
(Great-O-Khan)
NJPW G1 Climax 34: Day 4
(Great-O-Khan)
NJPW G1 Climax 34: Day 6
(Great-O-Khan)
NJPW G1 Climax 34: Day 7
(Great-O-Khan)
NJPW G1 Climax 34: Day 9
(Great-O-Khan)
NJPW G1 Climax 34: Day 11
(Great-O-Khan)
NJPW G1 Climax 34: Day 13
(Great-O-Khan)
NJPW G1 Climax 34: Day 10
(Great-O-Khan)
NJPW G1 Climax 34: Day 12
(Great-O-Khan)
NJPW G1 Climax 34: Day 14
(Great-O-Khan)
NJPW G1 Climax 34: Day 15
(Great-O-Khan)
NJPW New Japan Soul 2024: Day 5
(Great-O-Khan)
NJPW New Japan Soul 2024: Day 4
(Great-O-Khan)
NJPW New Japan Soul 2024: Day 3
(Great-O-Khan)
NJPW New Japan Soul 2024: Day 7
(Great-O-Khan)
NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1
(Great-O-Khan)
NJPW New Japan Cup 2024: Day 2
(Great-O-Khan)
NJPW G1 Climax 27: Day 4
(Tomoyuki Oka)
NJPW G1 Climax 34: Day 18
(Great-O-Khan)
NJPW Shingo Takagi's 20th Debut Anniversary Event
(Great-O-Khan)
NJPW G1 Climax 34: Day 16
(Great-O-Khan)
NJPW G1 Climax 34: Day 17
(Great-O-Khan)
NJPW G1 Climax 34: Day 19 (Final)
(Great-O-Khan)
NJPW Destruction In Ryogoku 2023
(Great-O-Khan)
NJPW Destruction In Kobe 2023
(Great-O-Khan)
NJPW New Year Dash !! 2018
(Tomoyuki Oka)
NJPW Wrestling Dontaku 2018 - Night 1
(Tomoyuki Oka)
NJPW Dominion 6.11 in Osaka-jo Hall
(Tomoyuki Oka)
NJPW Wrestling Dontaku 2017
(Tomoyuki Oka)
My Dad Is a Heel Wrestler
NJPW 45th Anniversary Show
RevPro British J Cup 2018 - Night 1
(The Great-O-Kharn)
NJPW Wrestle Kingdom 15: Night 1
(Great-O-Khan)
NJPW New Year Dash !! 2021
(The Great O-Khan)
NJPW Castle Attack 2021 - Night 2
(Great-O-Khan)
NJPW Castle Attack 2021 - Night 1
(Great-O-Khan)
NJPW The New Beginning in Nagoya
(Great-O-Khan)
NJPW Sakura Genesis 2021
(The Great-O-Khan)
NJPW Wrestle Grand Slam in MetLife Dome: Night 1
(GREAT-O-KHAN)
NJPW Destruction In Kobe 2024
(Great-O-Khan)
NJPW Road to Destruction 2024: Day 2
(Great-O-Khan)
NJPW Road to Destruction 2024: Day 3
(Great-O-Khan)
NJPW Road to Destruction 2024: Day 4
(Great-O-Khan)
NJPW Road to Destruction 2024: Day 5
(Great-O-Khan)
NJPW: King Of Pro Wrestling 2024
(Great-O-Khan)
NJPW Power Struggle ~ Super Junior Tag League 2024
(Great-O-Khan)
NJPW x STARDOM: Historic X-Over II
(Great-O-Khan)
All Elite Wrestling: Dynamite
(Great O-Khan)
All Elite Wrestling: Dynamite
(Great-O-Khan)