CCK had a successful Global Wars 2017, defeatingChaos (Rocky Romero andYoshi-Hashi) on the first night of the event[8] and successfully teaming with Kid Lykos on the second night against the team ofGedo,Hirooki Goto and Yoshi-Hashi.[9] CCK then attempted to regain the tag team titles from new championsSuzuki-gun (Minoru Suzuki andZack Sabre Jr.) but lost to the champions at Epic Encounter 2018.[10]
Brookes started wrestling for DDT Pro-Wrestling in June 2019. He notably began teaming withMasahiro Takanashi before naming themselves CDK (Calamari Drunken Kings). AtWrestle Peter Pan, Brookes and Takanashi defeated Moonlight Express (Mao andMike Bailey). At Summer Vacation, Brookes lost toKonosuke Takeshita and did not win theKO-D Openweight Championship.[11] From 29 November to 28 December 2019, Brookes was an entrant in the 2020 edition of theD-Oh Grand Prix where he tiedTetsuya Endo for first place in block A. A decision match was held between the two men which he lost. In January, Brookes announced that he would be moving to Japan for a whole year, as he wants DDT to be his number one commitment.
On 4 November 2024, Brookes defeatedShinya Aoki at Sumida Dramatic Dream to regain the KO-D Openweight Championship, becoming the 84th holder of the title.[20]
On 13 December 2022, Brookes andDrew Parker produced an event celebrating Brookes' 15th anniversary in wrestling. The event, titledBaka Gaijin + Friends (Dumb Foreigner + Friends) was held at a curry restaurant inSetagawa without a ring and in front of 50 customers. In the main event, Calamari Drunken Kings (Brookes and Takanashi) defeated Parker and Mao.[21] Since then, Baka Gaijin + Friends has become a monthly show at the restaurant.[22]
^DDT Pro-Wrestling (20 March 2022).最強＆最高チームの証明、新王者誕生の瞬間！ついにタッグの頂点に輝いたクリス･ブルックス＆高梨将弘 [Testament to the strongest and best team, the birth of a new champion! Chris Brookes & Masahiro Takanashi finally reach the pinnacle of the tag team competition.] (Television production) (in Japanese). Retrieved20 March 2022.
^ab来日4年目のクリス・ブルックスが「KING OF DDT」悲願の初制覇！ 「次、KO-D無差別級、獲ります！」 [Chris Brookes, in his fourth year in Japan, won the KING OF DDT for the first time! "Next time, I'm going to win the KO-D Openweight Championship!"].Battle-News (in Japanese). 23 May 2023.Archived from the original on 13 November 2024.
^KO-D無差別級王座初戴冠のクリス・ブルックスが9・9大田区でのV1戦に意欲！「イリエには絶対負けないし、ベルトを守ります」 [Chris Brookes, who was crowned KO-D Openweight Champion for the first time, is eager for a V1 fight on 9 September in Ota Ward, Tokyo! "I'll never lose to Irie and I'll defend my belt"].Battle-News (in Japanese). 25 July 2023.Archived from the original on 1 March 2024.
^【DDT】上野勇希がクリス・ブルックスからKO-D無差別級王座を奪取し、DDT新時代に突入！「チャンピオンの僕に期待してください。面白がってください」 [[DDT] Yuki Ueno has captured the KO-D Openweight Championship from Chris Brookes, ushering in a new era of DDT! "Expect a lot from me as the champion. I hope you have fun."].Proresu Today (in Japanese). 13 November 2023.Archived from the original on 9 August 2024.
^【DDT】クリス・ブルックスが青木真也を破り、KO-D無差別級王座を1年ぶりに奪還！12・28両国国技館で佐々木大輔が挑戦へ [[DDT] Chris Brookes defeats Shinya Aoki to regain the KO-D Openweight title after a one-year absence! Daisuke Sasaki will challenge for the title at Ryōgoku Kokugikan on 28 December].Proresu Today (in Japanese). 13 November 2023.Archived from the original on 9 December 2024.
^KO-D10人タッグ選手権（第3代～第6代は4人で防衛戦） [KO-D 10-Man Tag Team Championship (3rd to 6th champions were 4-man teams)].Extreme Party (in Japanese). Archived fromthe original on 21 May 2024.
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