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 later became Just 4 Guys before the group disbanded 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.
Known for
New Japan Pro Wrestling
1972
Stardom on Stardom World
2011
NJPW New Japan Cup 2022 - Day 12
2022
NJPW Road to Sakura Genesis 2026 - Day 1
2026
NJPW New Japan Cup 2022 - Day 9
2022
NJPW Road to Destruction 2026 - Day 1
2026
NJPW Road to The New Beginning 2026 - Day 6
2026
NJPW New Japan Soul 2024: Day 2
2024
NJPW Road to Tokyo Dome 2025 - Day 2
2025
NJPW Dominion 6.4 in Osaka-jo Hall 2023
2023
NJPW Yuji Nagata Produce Blue Justice XIX ~Aogi Futotsu~
2026
NJPW Yuji Nagata Produce Blue Justice XVII ~ Aoyi Transition ~
2026
NJPW Wrestling Dontaku 2022
2022
NJPW Wrestling Dontaku 2024 - Night 1
2024
NJPW Dominion 7.12 in Osaka-Jo Hall 2020
2020
NJPW New Japan Soul 2024: Day 4
2024
NJPW New Japan Cup 2022 - Day 5
2022
NJPW G1 Climax 36 - Day 19 (Final)
2026
NJPW & NOAH: Wrestle Kingdom 16 - Night 3
2022
NJPW Road to The New Beginning 2026 - Day 7
2026
NJPW Wrestling Dontaku 2026 - Day 2
2026
NJPW Road to Wrestling Dontaku 2026 - Day 6
2026
NJPW G1 Climax 33: Day 17
2023
NJPW G1 Climax 33: Day 14
2023