Tatsuya Hayama

Tatsuya Hayama, better known by his ring name DOUKI, is a Japanese professional wrestler signed to New Japan Pro-Wrestling (NJPW), where he is a member of the House of Torture, having joined the group in 2025. He was previously part of Suzuki-gun from 2019 until its disbandment in 2022, then joined Just 5 Guys in early 2023, which was later changed to Just 4 Guys before his departure in 2025. He is a two-time IWGP Junior Heavyweight Champion and a one-time IWGP Junior Heavyweight Tag Team Champion with fellow House of Torture member SHO.

Cast

NJPW Wrestle Kingdom 16: Night 2

NJPW The New Beginning In Sapporo 2023 - Day 1

NJPW The New Beginning In Sapporo 2023 - Day 2

NJPW New Japan Cup 2023: Day 1

NJPW & NOAH: Wrestle Kingdom 16 - Night 3

NJPW New Years Golden Series 2022 - Day 1

NJPW Sakura Genesis 2023

NJPW x STARDOM: Historic X-Over

NJPW Best of the Super Jr 26 FINAL

NJPW Wrestling Dontaku 2022

NJPW Dominion 6.6 in Osaka-jo Hall

NJPW G1 Climax 33: Day 14

NJPW G1 Climax 33: Day 13

NJPW New Japan Cup 2023: Day 3

IMPACT Wrestling x NJPW: Multiverse United 2: For Whom The Bell Tolls

JTO 50th Anniversary for TAKATaichi Together ~ Last TAKATaichi

NJPW G1 Climax 33: Day 17

NJPW G1 Climax 33: Day 18

NJPW G1 Climax 33: Day 19 (Final)

NJPW The New Beginning in Osaka 2024

NJPW The New Beginning In Sapporo 2024 - Day 1

NJPW Wrestle Kingdom 17 Pre-Show

NJPW Sakura Genesis 2024

NJPW New Year Dash!! 2024

NJPW Wrestling Dontaku 2024 - Night 1

NJPW Wrestling Dontaku 2024 - Night 2

NJPW The New Beginning In Sapporo 2024 - Day 2

NJPW G1 Climax 30: Day 19 (Final)

NJPW: Royal Quest II - Night 1

NJPW Wrestle Grand Slam In Tokyo Dome

NJPW: Royal Quest II - Night 2

NJPW New Year Dash !! 2023

DESPE invitacional

NJPW Power Struggle 2021

NJPW Declaration of Power

NJPW The New Beginning in Nagoya

NJPW Presents CMLL Fantastica Mania 2024 - Lucha Libre USA

NJPW New Japan Soul 2024: Day 1

NJPW New Japan Soul 2024: Day 2

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 6

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 34: Day 17

NJPW G1 Climax 34: Day 18

NJPW Shingo Takagi's 20th Debut Anniversary Event

NJPW G1 Climax 34: Day 19 (Final)

NJPW Destruction In Ryogoku 2023

NJPW Destruction In Kobe 2023

Dominion in Osaka-jo Hall - 2020

NJPW The New Beginning In Sapporo 2020 - Day 2

NJPW The New Beginning In Sapporo 2020 - Day 1

NJPW Road To The New Beginning 2020 - Night 5

NJPW Road To The New Beginning 2020 - Night 6

NJPW Road To The New Beginning 2020 - Night 7

NJPW Sengoku Lord in Nagoya

NJPW Wrestle Kingdom 15: Night 1

NJPW New Year Dash !! 2021

NJPW The New Beginning in Hiroshima 2021 - Night 1

NJPW The New Beginning in Hiroshima 2021 - Night 2

NJPW Sakura Genesis 2021

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 Destruction in Kobe 2024

NJPW King of Pro Wrestling 2024

NJPW Power Struggle ~ Super Junior Tag League 2024

NJPW Wrestle Kingdom 19

NJPW King of Pro-Wrestling 2019

NJPW Tanahashi Jam

NJPW New Japan Soul 2025 - Day 8

NJPW G1 Climax 35: Day 17

NJPW G1 Climax 35: Day 18

NJPW G1 Climax 35: Day 19 (Final)

NJPW 49th Anniversary Show

NJPW Yuji Nagata Produce Blue Justice XVI

NJPW Destruction in Kobe 2019

NJPW Destruction In Kobe 2025

NJPW Road to King of Pro-Wrestling 2025 - Day 1

NJPW Road to King of Pro-Wrestling 2025 - Day 2

NJPW Road to King of Pro-Wrestling 2025 - Day 3

NJPW Road to King of Pro-Wrestling 2025 - Day 4

NJPW New Japan Road in Ishikari 2025

NJPW Wrestling Dontaku 2023

NJPW Super Junior Tag League 2025 - Day 1

NJPW Super Junior Tag League 2025 - Day 2

NJPW Super Junior Tag League 2025 - Day 7

NJPW Super Junior Tag League 2025 - Day 6

NJPW Super Junior Tag League 2025 - Day 5

NJPW Super Junior Tag League 2025 - Day 4

NJPW Super Junior Tag League 2025 - Day 3

NJPW Super Junior Tag League 2025 - Day 8

NJPW Hiroshi Tanahashi ~ Final Homecoming

NJPW Wrestling Dontaku 2021 - Night 2

NJPW New Japan Road in Anjo 2025

NJPW Purge Night of Torture

NJPW New Years Golden Series 2022 - Day 6

NJPW New Years Golden Series 2022 - Day 9

NJPW New Years Golden Series 2022 - Day 10

NJPW New Years Golden Series 2022 - Day 14

NJPW Dominion 7.12 in Osaka-Jo Hall

NJPW New Japan Cup 2020 - Day 9 (Final)

NJPW Dominion 6.4 in Osaka-jo Hall

NJPW World Tag League 2025 - Day 17 (Final)

NJPW Road to Tokyo Dome 2025 - Day 1

NJPW Road to Tokyo Dome 2025 - Day 2

NJPW Road to Tokyo Dome 2025 - Day 3