 Douki in 2024 | |
| Personal information | |
|---|---|
| Born | Tatsuya Hayama (1991-12-24)December 24, 1991 (age 34)[1] |
| Professional wrestling career | |
| Ring name(s) | Douki Dowki Kansuke Tetsuya Tatsuya |
| Billed height | 1.70 m (5 ft 7 in)[1] |
| Billed weight | 85 kg (187 lb)[1] |
| Billed from | Yokohama, Japan |
| Trained by | Skayde Último Dragón Arturo Beristain |
| Debut | November 2010 |
Tatsuya Hayama (葉山 達也,Hayama Tatsuya; born December 24, 1991), better known by hisring nameDouki (stylised inall caps asDOUKI), is a Japaneseluchadorenmascarado (or maskedprofessional wrestler). He is signed toNew Japan Pro-Wrestling (NJPW), where he is a member of theHouse of Torture, he is the currentIWGP Junior Heavyweight Champion in his second reign.
Douki was a member ofSuzuki-gun from 2019 to 2022, and a member ofJust 5 Guys from 2023 to 2025.
In May 2010, Hayama had planned to go to Mexico by himself, butMilano Collection A.T. had introduced him toTaichi. After that, he went toCMLL's wrestling school every day and practiced at the gym with Taichi,[2] and debuted under the nameKansuke in November of the same year.[3][4]
In 2012, when he joinedLos Perros del Mal (a stable that was formed in December 2008), Hayama thought, "There are other Japanese wrestlers, so let's change the character." He thus adopted the ring name "Douki".[5] He served as a member of the stableJapones del Mal. His ring name is derived fromKansuke Yamamoto's ordination name "Michiki".[6]
After spending time in Mexico, Douki made his first appearance in Japan at aTokyo Gurentai show on October 10, 2015.[7]
On May 10, 2019,El Desperado had to be pulled from theBest of the Super Juniors tournament due to injury, andTaichi introduced Douki as Suzuki-gun's newest member to replace Desperado.[8][9] Douki would finish with only 2 points in the tournament.
On August 1, 2020, NJPW announced a tournament to crown newNEVER Openweight 6-Man Tag Team Champions, in which Douki took part alongside Desperado andMinoru Suzuki.[10]
In March 2022, Douki participated in theNew Japan Cup, where he lost to fellow Suzuki-gun stablemateZack Sabre Jr. in the second round. In November, Douki andYoshinobu Kanemaru competed in theSuper Junior Tag League, finishing with eight points and failing to advance to the finals.[11]
In December, at the World Tag League andBest of the Super Juniors finals, Suzuki announced the disbandment of Suzuki-gun by the end of the year.[12] The final match between the faction took place on December 23, where the team of Douki, Taichi, Sabre and Kanemaru defeated Suzuki, Desperado,Lance Archer andTaka Michinoku. After the match, each of the Suzuki-gun members spoke about their memories as a part of the group and thanked leader Suzuki. The night ended with all members posing with the Suzuki-gun flag, only to be interrupted by former memberTakashi Iizuka, causing all nine men to pose in the ring, behind the Suzuki-gun flag.[13]
On January 5, 2023, atNew Year Dash, Douki, alongsideTaka Michinoku,Taichi andYoshinobu Kanemaru formed Just 4 Guys with the aim of reaching the top of New Japan.[14][15] On February 4, atThe New Beginning in Sapporo, Douki and Kanemaru challengedCatch 2/2 (Francesco Akira andTJP) for theIWGP Junior Heavyweight Tag Team Championship, but lost.[16][17] The stable's name was changed to Just 5 Guys, with the addition ofSanada during theNew Japan Cup, after his defeat ofTetsuya Naito.[18][19] Through NJPW's partnership withAll Elite Wrestling (AEW), Douki made his AEW debut on the June 23 episode ofRampage, losing to"Jungle Boy" Jack Perry.[20] On June 25, atForbidden Door, Douki accompanied Sanada for the latter's successful IWGP world title defense against Perry.[21] On July 5, at New Japan Soul, Douki defeated El Desperado to capture his first championship, becoming theIWGP Junior Heavyweight Champion.[22] Douki would reign as champion until January 4, 2025, atWrestle Kingdom 19, losing the title back to Desperado via referee stoppage after injuring his arm while performing a diving senton to the outside of the ring.[23]
On June 15, 2025, atDominion 6.15 in Osaka-jo Hall, Douki turned heel and joinedHouse of Torture. Douki would team withSho to win theIWGP Junior Heavyweight Tag Team Championship fromMaster Wato andYoh.[24] On October 6, Douki defeated El Desperado to win the IWGP Junior Heavyweight Championship for the second time, making him a double champion.[25]
| Winner (wager) | Loser (wager) | Location | Event | Date | Notes |
|---|---|---|---|---|---|
| Dowki and Daisuke Hanaoka (mask) | Los Hermanos Celestick (I & II) (mask) | Mexico City, Mexico | Live event | June 15, 2013 | [27] |
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