Tomoyuki Oka

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 Wrestle Grand Slam in MetLife Dome: Night 2

5 September, 2021

NJPW G1 Climax 31: Day 1

18 September, 2021

NJPW G1 Climax 31: Day 3

23 September, 2021

NJPW G1 Climax 31: Day 5

26 September, 2021

NJPW G1 Climax 31: Day 7

30 September, 2021

NJPW G1 Climax 31: Day 9

3 October, 2021

NJPW G1 Climax 31: Day 11

7 October, 2021

NJPW G1 Climax 31: Day 13

9 October, 2021

NJPW G1 Climax 31: Day 17

18 October, 2021

NJPW G1 Climax 31: Day 15

13 October, 2021

NJPW G1 Climax 31: Day 19 (Final)

21 October, 2021

NJPW: The New Beginning in Osaka 2023

11 February, 2023

NJPW Wrestle Kingdom 16: Night 1

4 January, 2022

NJPW Wrestle Kingdom 16: Night 2

5 January, 2022

NJPW New Years Golden Series 2022 - Day 2

21 January, 2022

NJPW New Year’s Golden Series Night 1

20 January, 2022

NJPW Sakura Genesis 2023

8 April, 2023

NJPW G1 Climax 32: Day 1

16 July, 2022

NJPW New Years Golden Series 2022 - Night 6

7 February, 2022

NJPW New Year’s Golden Series Night 9

11 February, 2022

NJPW New Years Golden Series 2022 - Day 10

13 February, 2022

New year’s Golden Series night 14

19 February, 2022

NJPW G1 Climax 33: Day 3

18 July, 2023

NJPW G1 Climax 33: Day 5

21 July, 2023

NJPW G1 Climax 33: Day 7

25 July, 2023

NJPW G1 Climax 33: Day 9

27 July, 2023

NJPW G1 Climax 33: Day 11

1 August, 2023

NJPW The New Beginning In Sapporo 2023 - Night 1

4 February, 2023

NJPW G1 Climax 33: Day 1

15 July, 2023

NJPW The New Beginning In Sapporo 2023 - Night 2

5 February, 2023

NJPW G1 Climax 33: Day 14

6 August, 2023

NJPW G1 Climax 32: Day 2

17 July, 2022

NJPW G1 Climax 33: Day 13

5 August, 2023

NJPW G1 Climax 32: Day 3

20 July, 2022

NJPW G1 Climax 32: Day 4

23 July, 2022

NJPW G1 Climax 33: Day 15

8 August, 2023

NJPW Windy City Riot

16 April, 2022

NJPW G1 Climax 33: Day 16

9 August, 2023

NJPW 51st Anniversary Event & New Japan Cup 2023: Day 2

6 March, 2023

NJPW New Japan Cup 2023: Day 3

8 March, 2023

NJPW New Japan Cup 2023: Day 4

10 March, 2023

NJPW G1 Climax 32: Day 5

24 July, 2022

NJPW Wrestling Dontaku

1 May, 2022

NJPW G1 Climax 33: Day 17

10 August, 2023

NJPW G1 Climax 33: Day 18

12 August, 2023

NJPW G1 Climax 33: Day 19 (Final)

13 August, 2023

RevPro: Uprising 2019

15 December, 2019

RevPro Epic Encounter 2023

9 July, 2023

RevPro: Uprising 2022

17 December, 2022

NJPW Capital Collision 2022

14 May, 2022

NJPW Dominion 6.12 In Osaka-Jo Hall

12 June, 2022

AEW x NJPW Presents Forbidden Door

26 June, 2022

NJPW x STARDOM: Historic X-Over

20 November, 2022

NJPW The New Beginning in Osaka 2024

11 February, 2024

NJPW The New Beginning In Sapporo 2024 - Night 1

23 February, 2024

NJPW Wrestle Kingdom 17: Night 1 in Tokyo Dome

4 January, 2023

NJPW Wrestle Kingdom 17 Pre-Show

4 January, 2023

NJPW Sakura Genesis 2024

6 April, 2024

NJPW New Year Dash!! 2024

5 January, 2024

NJPW Wrestling Dontaku 2024 - Night 1

3 May, 2024

NJPW Wrestling Dontaku 2024 - Night 2

4 May, 2024

NJPW The New Beginning In Sapporo 2024 - Night 2

24 February, 2024

RevPro Revolution Rumble 2023

26 March, 2023

NJPW G1 Climax 32: Day 6

26 July, 2022

NJPW G1 Climax 32: Day 7

27 July, 2022

NJPW G1 Climax 32: Day 8

30 July, 2022

NJPW G1 Climax 32: Day 9

31 July, 2022

NJPW G1 Climax 32: Day 10

2 August, 2022

NJPW G1 Climax 32: Day 11

5 August, 2022

NJPW G1 Climax 32: Day 12

6 August, 2022

NJPW G1 Climax 32: Day 13

7 August, 2022

NJPW G1 Climax 32: Day 14

9 August, 2022

NJPW Battle Autumn 2022 - Night 16

5 November, 2022

NJPW G1 Climax 32: Day 20 (Final)

18 August, 2022

NJPW The New Beginning in Nagoya

20 January, 2024

NJPW G1 Climax 32: Day 15

10 August, 2022

NJPW G1 Climax 32: Day 17

14 August, 2022

NJPW G1 Climax 30: Day 19 (Final)

18 October, 2020

NJPW: Royal Quest II - Night 2

2 October, 2022

NJPW Wrestle Grand Slam In Tokyo Dome

25 July, 2021

NJPW New Year Dash !! 2023

5 January, 2023

NJPW Destruction in Kobe 2017

24 September, 2017

NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~

9 June, 2024

NJPW Power Struggle 2021

6 November, 2021

NJPW Power Struggle ~ Super Junior Tag League 2023

4 November, 2023

NJPW Declaration Of Power

10 October, 2022

NJPW G1 Climax 34: Day 1

20 July, 2024

RevPro: High Stakes 2020

14 February, 2020

NJPW New Japan Soul 2024: Day 1

16 June, 2024

NJPW New Japan Soul 2024: Day 2

18 June, 2024

NJPW G1 Climax 34: Day 2

21 July, 2024

NJPW G1 Climax 34: Day 3

23 July, 2024

NJPW G1 Climax 34: Day 4

25 July, 2024

NJPW G1 Climax 34: Day 5

27 July, 2024

NJPW G1 Climax 34: Day 6

28 July, 2024

NJPW G1 Climax 34: Day 7

29 July, 2024

NJPW G1 Climax 34: Day 8

31 July, 2024

NJPW G1 Climax 34: Day 9

3 August, 2024

NJPW G1 Climax 34: Day 10

4 August, 2024

NJPW G1 Climax 34: Day 11

6 August, 2024

NJPW G1 Climax 34: Day 12

7 August, 2024

NJPW G1 Climax 34: Day 13

8 August, 2024

NJPW G1 Climax 34: Day 14

10 August, 2024

NJPW G1 Climax 34: Day 15

12 August, 2024

NJPW New Japan Soul 2024: Day 3

19 June, 2024

NJPW New Japan Soul 2024: Day 4

22 June, 2024

NJPW New Japan Soul 2024: Day 5

23 June, 2024

NJPW New Japan Soul 2024: Day 7

5 July, 2024

NJPW 52nd Anniversary Event & New Japan Cup 2024: Day 1

6 March, 2024

NJPW New Japan Cup 2024 • Day 2

7 March, 2024

NJPW G1 Climax 27: Day 4

22 July, 2017

NJPW G1 Climax 34: Day 18

17 August, 2024

NJPW Shingo Takagi's 20th Debut Anniversary Event

7 September, 2024

NJPW G1 Climax 34: Day 16

14 August, 2024

NJPW G1 Climax 34: Day 17

15 August, 2024

NJPW G1 Climax 34: Day 19 (Final)

18 August, 2024

NJPW Destruction In Ryogoku 2023

9 October, 2023

NJPW Destruction In Kobe 2023

24 September, 2023

NJPW New Year Dash !! 2018

5 January, 2018

NJPW Wrestling Dontaku 2018 - Night 1

3 May, 2018

NJPW Dominion 6.11 in Osaka-jo Hall

11 June, 2017

NJPW Wrestling Dontaku 2017

3 May, 2017

My Dad Is a Heel Wrestler

21 September, 2018

NJPW 45th Anniversary Show

6 March, 2017

RevPro British J Cup 2018 - Night 1

8 September, 2018

NJPW Wrestle Kingdom 15: Night 1

4 January, 2021

NJPW New Year Dash !! 2021

6 January, 2021

NJPW Castle Attack 2021 - Night 2

28 February, 2021

NJPW Castle Attack 2021 - Night 1

27 February, 2021

NJPW The New Beginning in Nagoya

30 January, 2021

NJPW Sakura Genesis 2021

3 April, 2021

NJPW Wrestle Grand Slam in MetLife Dome: Night 1

4 September, 2021

NJPW Destruction In Kobe 2024

29 September, 2024

NJPW Road to Destruction 2024: Day 2

8 September, 2024

NJPW Road to Destruction 2024: Day 3

9 September, 2024

NJPW Road to Destruction 2024: Day 4

11 September, 2024

NJPW Road to Destruction 2024: Day 5

14 September, 2024

NJPW: King Of Pro Wrestling 2024

14 October, 2024

NJPW Power Struggle ~ Super Junior Tag League 2024

4 November, 2024

NJPW x STARDOM: Historic X-Over II

17 November, 2024

NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty

5 January, 2025

NJPW Wrestle Kingdom 19

4 January, 2025

NJPW New Year Dash!! 2025

6 January, 2025

NJPW The New Beginning In Osaka 2025

11 February, 2025

NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata

19 January, 2025

NJPW Sakura Genesis 2017

9 April, 2017

NJPW Sakura Genesis 2025

5 April, 2025

NJPW Wrestling Dontaku 2025 - Night 1

3 May, 2025

NJPW Wrestling Dontaku 2025 - Night 2

4 May, 2025

NJPW - Wrestling Redzone in Hiroshima

26 April, 2025

All Elite Wrestling: Dynamite

2019

All Elite Wrestling: Dynamite

2019