Tatsuya Hayama

Known for: Acting

Born: December 23, 1991 in Yokohama, Kanagawa, Japan

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. Where to watch the TV shows and films of Tatsuya Hayama free? Click the title of the series or movies below to watch them in HD for free on SFlix.