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[[quoteright:200:https://static.tvtropes.org/pmwiki/pub/images/jc_1.jpg]]

Justin Ryan Cook (born April 4, 1982 in Austin, Texas) is the line producer for ''Manga/YuYuHakusho'' and ''Anime/FullmetalAlchemist2003''. He is also a voice actor and does the voices of Yusuke Urameshi and Puu for ''Manga/YuYuHakusho'' TV series, adult Dende, Super Buu, and Raditz for ''Anime/DragonBallZ'' and Hatsuharu Sohma for ''Manga/FruitsBasket''. He is also the cousin of fellow voice actor, Creator/AaronDismuke.

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!!Notable roles by Justin Cook:
* Akio in ''Manga/DesertPunk''
* Akira Takaoka in ''Manga/AssassinationClassroom'' and ''Manga/KoroSenseiQuest''
* Atsushi Yamamoto in ''Manga/{{Hinamatsuri}}''
* Baldorias S. Fanghini in ''Manga/BlackCat''
* Bellamy and [[Characters/OnePieceEustassKid Eustass "Captain" Kid]] in ''Manga/OnePiece''
* Cabal in ''Literature/ThatTimeIGotReincarnatedAsASlime''
* Daisya Barry in ''Manga/DGrayMan''
* Dietrich von Lohengrin in ''Literature/TrinityBlood''
* Donar Dantes in ''Anime/AquarionEvol''
* Eijiro Kirishima/Red Riot in ''Manga/MyHeroAcademia''
* Hatsuharu Sohma in both versions of the ''Manga/FruitsBasket'' anime
* Hiroyuki Oda in ''Manga/BigWindup''
* Jack the Ripper in ''Manga/BlackClover''
* Kurt in ''Anime/GenesisOfAquarion''
* Leon Kuwata in ''VisualNovel/{{Danganronpa|TriggerHappyHavoc}}: {{The Anim|eOfTheGame}}ation''
* Marcosias in Seasons 2 and 3 of ''Literature/ShakuganNoShana''
* Naoshi Kanno in ''Manga/{{Drifters}}''
* Panda in ''Manga/FireForce''
* Raditz, Dende, and Super Buu in ''Anime/DragonBallZ''
* RJ Urameshi in ''Anime/GuiltyCrown''
* Russell Tringum in ''Anime/FullmetalAlchemist2003''
* Shinya Itou in ''Anime/SpaceBattleshipYamato2199''
* Strawberry Heart/Grateful King in ''Anime/ShowByRock''
* Tamotsu Fukuda, Anaido in ''Anime/IDInvaded''
* Toji Suzuhara in ''Anime/RebuildOfEvangelion''
* Totomaru in ''Manga/FairyTail''
* Tsukutsun Tsun in ''Manga/DoctorSlump''
* Tsunemi Chiba in ''Manga/{{BECK|1999}}''
* Yashamaru in ''Manga/{{Basilisk}}''
* Yusuke Urameshi in ''Manga/YuYuHakusho''