Tomoyuki Oka

Jun 12, 1991 (33 years old) in 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).

Known For

poster

All Elite Wrestling: Dynamite

Great O-Khan

poster

NJPW Wrestle Grand Slam In Tokyo Dome

Great-O-Khan

poster

NJPW Sakura Genesis 2017

Tomoyuki Oka

poster

My Dad Is a Heel Wrestler

poster

NJPW New Year Dash!! 2025

Great-O-Khan

poster

NJPW Road to Destruction 2024: Day 3

Great-O-Khan

poster

NJPW New Year Dash !! 2021

The Great O-Khan

poster

NJPW New Year Dash !! 2018

Tomoyuki Oka

poster

NJPW Wrestling Dontaku 2018 - Night 1

Tomoyuki Oka

poster

NJPW Road to Destruction 2024: Day 5

Great-O-Khan

Credits

NJPW Wrestling Dontaku 2025 - Night 2 2025

Great-O-Khan

★ NR
NJPW Wrestling Dontaku 2025 - Night 1 2025

Great-O-Khan

★ NR
NJPW - Wrestling Redzone in Hiroshima 2025

Great-O-Khan

★ NR
NJPW Sakura Genesis 2025 2025

Great-O-Khan

★ NR
NJPW The New Beginning In Osaka 2025 2025

Great-O-Khan

★ 6
NJPW Blue Justice XV - Wrestling Life 40th Anniversary Yuji Nagata 2025

Great-O-Khan

★ 6
NJPW New Year Dash!! 2025 2025

Great-O-Khan

★ NR
NJPW x AEW x CMLL x ROH x STARDOM: Wrestle Dynasty 2025

Great-O-Khan

★ 7.3
NJPW Wrestle Kingdom 19 2025

Great-O-Khan

★ 8
NJPW x STARDOM: Historic X-Over II 2024

Great-O-Khan

★ 7
NJPW Power Struggle ~ Super Junior Tag League 2024 2024

Great-O-Khan

★ NR
NJPW: King Of Pro Wrestling 2024 2024

Great-O-Khan

★ NR
NJPW Destruction In Kobe 2024 2024

Great-O-Khan

★ NR
NJPW Road to Destruction 2024: Day 5 2024

Great-O-Khan

★ NR
NJPW Road to Destruction 2024: Day 4 2024

Great-O-Khan

★ NR
NJPW Road to Destruction 2024: Day 3 2024

Great-O-Khan

★ NR
NJPW Road to Destruction 2024: Day 2 2024

Great-O-Khan

★ NR
NJPW Shingo Takagi's 20th Debut Anniversary Event 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 19 (Final) 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 18 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 17 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 16 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 15 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 14 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 13 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 12 2024

Great-O-Khan

★ 5.5
NJPW G1 Climax 34: Day 11 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 10 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 9 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 8 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 7 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 6 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 5 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 4 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 3 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 2 2024

Great-O-Khan

★ NR
NJPW G1 Climax 34: Day 1 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 7 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 5 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 4 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 3 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 2 2024

Great-O-Khan

★ NR
NJPW New Japan Soul 2024: Day 1 2024

Great-O-Khan

★ NR
NJPW Dominion 6.9 In Osaka-Jo Hall ~ Best Of The Super Junior 31 Final ~ 2024

Great-O-Khan

★ NR
NJPW Wrestling Dontaku 2024 - Night 2 2024

Great-O-Khan

★ NR
NJPW Wrestling Dontaku 2024 - Night 1 2024

Great-O-Khan

★ NR
NJPW Sakura Genesis 2024 2024

Great-O-Khan

★ 7
NJPW New Japan Cup 2024 • Day 2 2024

Great-O-Khan

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

Great-O-Khan

★ NR
NJPW The New Beginning In Sapporo 2024 - Night 2 2024

Great-O-Khan

★ NR
NJPW The New Beginning In Sapporo 2024 - Night 1 2024

Great O-Khan

★ NR
NJPW The New Beginning in Osaka 2024 2024

Great O-Khan

★ NR
NJPW The New Beginning in Nagoya 2024

Great-O-Khan

★ NR
NJPW New Year Dash!! 2024 2024

Great-O-Khan

★ NR
NJPW Power Struggle ~ Super Junior Tag League 2023 2023

Great-O-Khan

★ 10
NJPW Destruction In Ryogoku 2023 2023

Great-O-Khan

★ NR
NJPW Destruction In Kobe 2023 2023

Great-O-Khan

★ NR
NJPW G1 Climax 33: Day 19 (Final) 2023

Great-O-Khan

★ NR
NJPW G1 Climax 33: Day 18 2023

Great-O-Khan

★ NR
NJPW G1 Climax 33: Day 17 2023

Great-O-Khan

★ 7.3
NJPW G1 Climax 33: Day 16 2023

Great-O-Khan

★ 7.4
NJPW G1 Climax 33: Day 15 2023

Great-O-Khan

★ NR
NJPW G1 Climax 33: Day 14 2023

Great O-Khan

★ NR
NJPW G1 Climax 33: Day 13 2023

Great-O-Khan

★ 8.5
NJPW G1 Climax 33: Day 11 2023

Great O-Khan

★ 8.5
NJPW G1 Climax 33: Day 9 2023

Great O-Khan

★ NR
NJPW G1 Climax 33: Day 7 2023

Great O-Khan

★ NR
NJPW G1 Climax 33: Day 5 2023

Great O-Khan

★ NR
NJPW G1 Climax 33: Day 3 2023

Great O-Khan

★ NR
NJPW G1 Climax 33: Day 1 2023

Great-O-Khan

★ 9
RevPro Epic Encounter 2023 2023

Great-O-Khan

★ NR
NJPW Sakura Genesis 2023 2023

Great-O-Khan

★ NR
RevPro Revolution Rumble 2023 2023

Great-O-Khan

★ NR
NJPW New Japan Cup 2023: Day 4 2023

Great-O-Khan

★ NR
NJPW New Japan Cup 2023: Day 3 2023

Great-O-Khan

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

Great-O-Khan

★ NR
NJPW: The New Beginning in Osaka 2023 2023

Great-O-Khan

★ NR
NJPW The New Beginning In Sapporo 2023 - Night 2 2023

Great-O-Khan

★ NR
NJPW The New Beginning In Sapporo 2023 - Night 1 2023

Great-O-Khan

★ NR
NJPW New Year Dash !! 2023 2023

Great-O-Khan

★ NR
NJPW Wrestle Kingdom 17: Night 1 in Tokyo Dome 2023

Great-O-Khan

★ 7
NJPW Wrestle Kingdom 17 Pre-Show 2023

Great O-Khan

★ NR
RevPro: Uprising 2022 2022

Great-O-Khan

★ NR
NJPW x STARDOM: Historic X-Over 2022

Great-O-Khan

★ NR
NJPW Battle Autumn 2022 - Night 16 2022

Great-O-Khan

★ NR
NJPW Declaration Of Power 2022

Great-O-Khan

★ NR
NJPW: Royal Quest II - Night 2 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 20 (Final) 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 17 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 15 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 14 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 13 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 12 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 11 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 10 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 9 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 8 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 7 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 6 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 5 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 4 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 3 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 2 2022

Great-O-Khan

★ NR
NJPW G1 Climax 32: Day 1 2022

Great-O-Khan

★ NR
AEW x NJPW Presents Forbidden Door 2022

Great-O-Khan

★ 8.9
NJPW Dominion 6.12 In Osaka-Jo Hall 2022

Great-O-Khan

★ 9
NJPW Capital Collision 2022 2022

Great-O-Khan

★ NR
NJPW Wrestling Dontaku 2022

Great-O-Khan

★ 8
NJPW Windy City Riot 2022

Great O-Khan

★ NR
New year’s Golden Series night 14 2022

Great-O-Khan

★ NR
NJPW New Years Golden Series 2022 - Day 10 2022

Great-O-Khan

★ NR
NJPW New Year’s Golden Series Night 9 2022

Great-O-Khan

★ NR
NJPW New Years Golden Series 2022 - Night 6 2022

Great-O-Khan

★ NR
NJPW New Years Golden Series 2022 - Day 2 2022

Great-O-Khan

★ NR
NJPW New Year’s Golden Series Night 1 2022

Great-O-Khan

★ NR
NJPW Wrestle Kingdom 16: Night 2 2022

Great-O-Khan

★ NR
NJPW Wrestle Kingdom 16: Night 1 2022

Great-O-Khan

★ NR
NJPW Power Struggle 2021 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 19 (Final) 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 17 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 15 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 13 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 11 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 9 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 7 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 5 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 3 2021

Great-O-Khan

★ NR
NJPW G1 Climax 31: Day 1 2021

Great-O-Khan

★ NR
NJPW Wrestle Grand Slam in MetLife Dome: Night 2 2021

Great-O-Khan

★ NR
NJPW Wrestle Grand Slam in MetLife Dome: Night 1 2021

GREAT-O-KHAN

★ NR
NJPW Wrestle Grand Slam In Tokyo Dome 2021

Great-O-Khan

★ NR
NJPW Sakura Genesis 2021 2021

Great-O-Khan

★ NR
NJPW Castle Attack 2021 - Night 2 2021

Great-O-Khan

★ NR
NJPW Castle Attack 2021 - Night 1 2021

Great-O-Khan

★ NR
NJPW New Year Dash !! 2021 2021

The Great O-Khan

★ NR
NJPW Wrestle Kingdom 15: Night 1 2021

Great-O-Khan

★ 8.7
NJPW G1 Climax 30: Day 19 (Final) 2020

Great-O-Khan

★ NR
RevPro: High Stakes 2020 2020

The Great-O-Kharn

★ NR
RevPro: Uprising 2019 2019

The Great-O-Kharn

★ NR
All Elite Wrestling: Dynamite 2019

Great O-Khan

★ 8
My Dad Is a Heel Wrestler 2018

★ 7.3
RevPro British J Cup 2018 - Night 1 2018

The Great-O-Kharn

★ NR
NJPW Wrestling Dontaku 2018 - Night 1 2018

Tomoyuki Oka

★ NR
NJPW New Year Dash !! 2018 2018

Tomoyuki Oka

★ 7
NJPW Destruction in Kobe 2017 2017

Tomoyuki Oka

★ NR
NJPW G1 Climax 27: Day 4 2017

Tomoyuki Oka

★ NR
NJPW Dominion 6.11 in Osaka-jo Hall 2017

Tomoyuki Oka

★ 9.7
NJPW Wrestling Dontaku 2017 2017

Tomoyuki Oka

★ 7
NJPW Sakura Genesis 2017 2017

Tomoyuki Oka

★ 10
NJPW 45th Anniversary Show 2017

★ NR