Tomoyuki Oka
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. 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)....Known For
NJPW G1 Climax 35: Day 13
NJPW G1 Climax 35: Day 14
NJPW G1 Climax 35: Day 15
NJPW G1 Climax 35: Day 16
All Elite Wrestling: Dynamite
All Elite Wrestling: Dynamite
NJPW Wrestle Grand Slam in MetLife Dome: Night 2
NJPW G1 Climax 31: Day 1
NJPW G1 Climax 31: Day 3
NJPW G1 Climax 31: Day 5
NJPW G1 Climax 31: Day 7
NJPW G1 Climax 31: Day 9
NJPW G1 Climax 31: Day 11
NJPW G1 Climax 31: Day 13
NJPW G1 Climax 31: Day 17
NJPW G1 Climax 31: Day 15
NJPW G1 Climax 31: Day 19 (Final)
NJPW: The New Beginning in Osaka 2023
NJPW Wrestle Kingdom 16: Night 1
NJPW Wrestle Kingdom 16: Night 2
NJPWニューイヤーゴールデンシリーズナイト1
ニューイヤーゴールデンシリーズ20 22-2日目
NJPW Sakura Genesis 2023
NJPW G1 Climax 32: Day 1
新春黄金シリーズ 2022年2月11日 宮城・ゼビオアリーナ仙台
新春黄金シリーズ 2022年2月7日 東京・後楽園ホール
2022年2月19日 北海道・北海道立総合体育センター 北海きたえーる
NJPWゴールデンシリーズナイト2022年2月13日大阪
NJPW G1 Climax 33: Day 3
NJPW G1 Climax 33: Day 5
NJPW G1 Climax 33: Day 7
NJPW G1 Climax 33: Day 9
NJPW G1 Climax 33: Day 11
NJPW The New Beginning In Sapporo 2023 - Night 1
NJPW G1 Climax 33: Day 1
NJPW The New Beginning In Sapporo 2023 - Night 2
NJPW G1 Climax 33: Day 14
NJPW G1 Climax 32: Day 2
NJPW G1 Climax 33: Day 13
NJPW G1 Climax 32: Day 3
NJPW G1 Climax 32: Day 4
NJPW G1 Climax 33: Day 15
NJPW G1 Climax 33: Day 16
NJPW Windy City Riot
NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2
NJPW New Japan Cup 2023: Day 3
NJPW G1 Climax 32: Day 5
NJPW New Japan Cup 2023: Day 4
NJPW Wrestling Dontaku
NJPW G1 Climax 33: Day 18
NJPW G1 Climax 33: Day 17
NJPW G1 Climax 33: Day 19 (Final)
RevPro: Uprising 2019
RevPro Epic Encounter 2023
RevPro: Uprising 2022
NJPW Capital Collision 2022
NJPW Dominion 6.12 In Osaka-Jo Hall
AEW x NJPW Presents Forbidden Door
NJPW x STARDOM: Historic X-Over
NJPW The New Beginning in Osaka 2024
NJPW The New Beginning In Sapporo 2024 - Night 1
NJPW Wrestle Kingdom 17: Night 1 in Tokyo Dome
NJPW Wrestle Kingdom 17 Pre-Show
NJPW Sakura Genesis 2024
NJPW New Year Dash!! 2024
NJPW Wrestling Dontaku 2024 - Night 2
NJPW Wrestling Dontaku 2024 - Night 1
NJPW The New Beginning In Sapporo 2024 - Night 2
RevPro Revolution Rumble 2023
NJPW G1 Climax 32: Day 6
NJPW G1 Climax 32: Day 10
NJPW G1 Climax 32: Day 7
NJPW G1 Climax 32: Day 8
NJPW G1 Climax 32: Day 12
NJPW G1 Climax 32: Day 9
NJPW G1 Climax 32: Day 11
NJPW G1 Climax 32: Day 14
NJPW G1 Climax 32: Day 13
NJPW Battle Autumn 2022 - Night 16
NJPW G1 Climax 32: Day 20 (Final)
NJPW The New Beginning in Nagoya
NJPW G1 Climax 32: Day 15
NJPW G1 Climax 32: Day 17
NJPW G1 Climax 30: Day 19 (Final)
NJPW: Royal Quest II - Night 2
NJPW Wrestle Grand Slam In Tokyo Dome
NJPW New Year Dash !! 2023
NJPW Destruction in Kobe 2017
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~
NJPW Power Struggle 2021
NJPW Power Struggle ~ Super Junior Tag League 2023
NJPW Declaration Of Power
NJPW G1 Climax 34: Day 1
RevPro: High Stakes 2020
NJPW New Japan Soul 2024: Day 1
NJPW New Japan Soul 2024: Day 2
NJPW G1 Climax 34: Day 2
NJPW G1 Climax 34: Day 3
NJPW G1 Climax 34: Day 7
NJPW G1 Climax 34: Day 5
NJPW G1 Climax 34: Day 6
NJPW G1 Climax 34: Day 4
NJPW G1 Climax 34: Day 13
NJPW G1 Climax 34: Day 8
NJPW G1 Climax 34: Day 12
NJPW G1 Climax 34: Day 10
NJPW G1 Climax 34: Day 9
NJPW G1 Climax 34: Day 11
NJPW G1 Climax 34: Day 15
NJPW G1 Climax 34: Day 14
NJPW New Japan Soul 2024: Day 3
NJPW New Japan Soul 2024: Day 5
NJPW New Japan Soul 2024: Day 4
NJPW New Japan Soul 2024: Day 7
NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1
NJPW New Japan Cup 2024 • Day 2
NJPW G1 Climax 27: Day 4
NJPW G1 Climax 34: Day 18
NJPW Shingo Takagi's 20th Debut Anniversary Event
NJPW G1 Climax 34: Day 16
NJPW G1 Climax 34: Day 17
NJPW G1 Climax 34: Day 19 (Final)
NJPW Destruction In Kobe 2023
NJPW Destruction In Ryogoku 2023
NJPW New Year Dash !! 2018
NJPW Wrestling Dontaku 2018 - Night 1
NJPW Dominion 6.11 in Osaka-jo Hall
NJPW Wrestling Dontaku 2017
パパはわるものチャンピオン
NJPW 45th Anniversary Show
RevPro British J Cup 2018 - Night 1
NJPW Wrestle Kingdom 15: Night 1
NJPW New Year Dash !! 2021
NJPW The New Beginning in Nagoya
NJPW Castle Attack 2021 - Night 2
NJPW Castle Attack 2021 - Night 1
NJPW Sakura Genesis 2021
NJPW Wrestle Grand Slam in MetLife Dome: Night 1
NJPW Destruction In Kobe 2024
NJPW Road to Destruction 2024: Day 2
NJPW Road to Destruction 2024: Day 3
NJPW Road to Destruction 2024: Day 4
NJPW Road to Destruction 2024: Day 5
NJPW: King Of Pro Wrestling 2024
NJPW Power Struggle ~ Super Junior Tag League 2024
NJPW x STARDOM: Historic X-Over II
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty
NJPW Wrestle Kingdom 19
NJPW New Year Dash!! 2025
NJPW The New Beginning In Osaka 2025
NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata
NJPW Sakura Genesis 2017
NJPW Sakura Genesis 2025
NJPW Wrestling Dontaku 2025 - Night 1
NJPW Wrestling Dontaku 2025 - Night 2
NJPW - Wrestling Redzone in Hiroshima
NJPW Dominion 6.15 In Osaka-Jo Hall
NJPW Tanahashi Jam
NJPW New Japan Soul 2025 - Day 8
NJPW G1 Climax 35: Day 1
NJPW G1 Climax 35: Day 2
NJPW G1 Climax 35: Day 3
NJPW G1 Climax 35: Day 4
NJPW G1 Climax 35: Day 5
NJPW G1 Climax 35: Day 6
NJPW G1 Climax 35: Day 7
NJPW G1 Climax 35: Day 8
NJPW G1 Climax 35: Day 9
NJPW G1 Climax 35: Day 10
NJPW G1 Climax 35: Day 11
NJPW G1 Climax 35: Day 12
NJPW G1 Climax 35: Day 13
NJPW G1 Climax 35: Day 14
NJPW G1 Climax 35: Day 15
NJPW G1 Climax 35: Day 16
All Elite Wrestling: Dynamite
All Elite Wrestling: Dynamite
NJPW Wrestle Grand Slam in MetLife Dome: Night 2
NJPW G1 Climax 31: Day 1
NJPW G1 Climax 31: Day 3
NJPW G1 Climax 31: Day 5
NJPW G1 Climax 31: Day 7
NJPW G1 Climax 31: Day 9
NJPW G1 Climax 31: Day 11
NJPW G1 Climax 31: Day 13
NJPW G1 Climax 31: Day 17
NJPW G1 Climax 31: Day 15
NJPW G1 Climax 31: Day 19 (Final)
NJPW: The New Beginning in Osaka 2023
NJPW Wrestle Kingdom 16: Night 1
NJPW Wrestle Kingdom 16: Night 2
NJPWニューイヤーゴールデンシリーズナイト1
ニューイヤーゴールデンシリーズ20 22-2日目
NJPW Sakura Genesis 2023
NJPW G1 Climax 32: Day 1
新春黄金シリーズ 2022年2月11日 宮城・ゼビオアリーナ仙台
新春黄金シリーズ 2022年2月7日 東京・後楽園ホール
2022年2月19日 北海道・北海道立総合体育センター 北海きたえーる
NJPWゴールデンシリーズナイト2022年2月13日大阪
NJPW G1 Climax 33: Day 3
NJPW G1 Climax 33: Day 5
NJPW G1 Climax 33: Day 7
NJPW G1 Climax 33: Day 9
NJPW G1 Climax 33: Day 11
NJPW The New Beginning In Sapporo 2023 - Night 1
NJPW G1 Climax 33: Day 1
NJPW The New Beginning In Sapporo 2023 - Night 2
NJPW G1 Climax 33: Day 14
NJPW G1 Climax 32: Day 2
NJPW G1 Climax 33: Day 13
NJPW G1 Climax 32: Day 3
NJPW G1 Climax 32: Day 4
NJPW G1 Climax 33: Day 15
NJPW G1 Climax 33: Day 16
NJPW Windy City Riot
NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2
NJPW New Japan Cup 2023: Day 3
NJPW G1 Climax 32: Day 5
NJPW New Japan Cup 2023: Day 4
NJPW Wrestling Dontaku
NJPW G1 Climax 33: Day 18
NJPW G1 Climax 33: Day 17
NJPW G1 Climax 33: Day 19 (Final)
RevPro: Uprising 2019
RevPro Epic Encounter 2023
RevPro: Uprising 2022
NJPW Capital Collision 2022
NJPW Dominion 6.12 In Osaka-Jo Hall
AEW x NJPW Presents Forbidden Door
NJPW x STARDOM: Historic X-Over
NJPW The New Beginning in Osaka 2024
NJPW The New Beginning In Sapporo 2024 - Night 1
NJPW Wrestle Kingdom 17: Night 1 in Tokyo Dome
NJPW Wrestle Kingdom 17 Pre-Show
NJPW Sakura Genesis 2024
NJPW New Year Dash!! 2024
NJPW Wrestling Dontaku 2024 - Night 2
NJPW Wrestling Dontaku 2024 - Night 1
NJPW The New Beginning In Sapporo 2024 - Night 2
RevPro Revolution Rumble 2023
NJPW G1 Climax 32: Day 6
NJPW G1 Climax 32: Day 10
NJPW G1 Climax 32: Day 7
NJPW G1 Climax 32: Day 8
NJPW G1 Climax 32: Day 12
NJPW G1 Climax 32: Day 9
NJPW G1 Climax 32: Day 11
NJPW G1 Climax 32: Day 14
NJPW G1 Climax 32: Day 13
NJPW Battle Autumn 2022 - Night 16
NJPW G1 Climax 32: Day 20 (Final)
NJPW The New Beginning in Nagoya
NJPW G1 Climax 32: Day 15
NJPW G1 Climax 32: Day 17
NJPW G1 Climax 30: Day 19 (Final)
NJPW: Royal Quest II - Night 2
NJPW Wrestle Grand Slam In Tokyo Dome
NJPW New Year Dash !! 2023
NJPW Destruction in Kobe 2017
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~
NJPW Power Struggle 2021
NJPW Power Struggle ~ Super Junior Tag League 2023
NJPW Declaration Of Power
NJPW G1 Climax 34: Day 1
RevPro: High Stakes 2020
NJPW New Japan Soul 2024: Day 1
NJPW New Japan Soul 2024: Day 2
NJPW G1 Climax 34: Day 2
NJPW G1 Climax 34: Day 3
NJPW G1 Climax 34: Day 7
NJPW G1 Climax 34: Day 5
NJPW G1 Climax 34: Day 6
NJPW G1 Climax 34: Day 4
NJPW G1 Climax 34: Day 13
NJPW G1 Climax 34: Day 8
NJPW G1 Climax 34: Day 12
NJPW G1 Climax 34: Day 10
NJPW G1 Climax 34: Day 9
NJPW G1 Climax 34: Day 11
NJPW G1 Climax 34: Day 15
NJPW G1 Climax 34: Day 14
NJPW New Japan Soul 2024: Day 3
NJPW New Japan Soul 2024: Day 5
NJPW New Japan Soul 2024: Day 4
NJPW New Japan Soul 2024: Day 7
NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1
NJPW New Japan Cup 2024 • Day 2
NJPW G1 Climax 27: Day 4
NJPW G1 Climax 34: Day 18
NJPW Shingo Takagi's 20th Debut Anniversary Event
NJPW G1 Climax 34: Day 16
NJPW G1 Climax 34: Day 17
NJPW G1 Climax 34: Day 19 (Final)
NJPW Destruction In Kobe 2023
NJPW Destruction In Ryogoku 2023
NJPW New Year Dash !! 2018
NJPW Wrestling Dontaku 2018 - Night 1
NJPW Dominion 6.11 in Osaka-jo Hall
NJPW Wrestling Dontaku 2017
パパはわるものチャンピオン
NJPW 45th Anniversary Show
RevPro British J Cup 2018 - Night 1
NJPW Wrestle Kingdom 15: Night 1
NJPW New Year Dash !! 2021
NJPW The New Beginning in Nagoya
NJPW Castle Attack 2021 - Night 2
NJPW Castle Attack 2021 - Night 1
NJPW Sakura Genesis 2021
NJPW Wrestle Grand Slam in MetLife Dome: Night 1
NJPW Destruction In Kobe 2024
NJPW Road to Destruction 2024: Day 2
NJPW Road to Destruction 2024: Day 3
NJPW Road to Destruction 2024: Day 4
NJPW Road to Destruction 2024: Day 5
NJPW: King Of Pro Wrestling 2024
NJPW Power Struggle ~ Super Junior Tag League 2024
NJPW x STARDOM: Historic X-Over II
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty
NJPW Wrestle Kingdom 19
NJPW New Year Dash!! 2025
NJPW The New Beginning In Osaka 2025
NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata
NJPW Sakura Genesis 2017
NJPW Sakura Genesis 2025
NJPW Wrestling Dontaku 2025 - Night 1
NJPW Wrestling Dontaku 2025 - Night 2
NJPW - Wrestling Redzone in Hiroshima
NJPW Dominion 6.15 In Osaka-Jo Hall
NJPW Tanahashi Jam
NJPW New Japan Soul 2025 - Day 8
NJPW G1 Climax 35: Day 1
NJPW G1 Climax 35: Day 2
NJPW G1 Climax 35: Day 3
NJPW G1 Climax 35: Day 4
NJPW G1 Climax 35: Day 5
NJPW G1 Climax 35: Day 6
NJPW G1 Climax 35: Day 7
NJPW G1 Climax 35: Day 8
NJPW G1 Climax 35: Day 9
NJPW G1 Climax 35: Day 10
NJPW G1 Climax 35: Day 11
NJPW G1 Climax 35: Day 12
NJPW G1 Climax 35: Day 13
NJPW G1 Climax 35: Day 14
NJPW G1 Climax 35: Day 15
NJPW G1 Climax 35: Day 16
All Elite Wrestling: Dynamite
All Elite Wrestling: Dynamite
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