[[quoteright:240:http://static.tvtropes.org/pmwiki/pub/images/okiayu_ryotaro_87.jpg]]

Ryotaro Okiayu (born November 17, 1969) is one of the more well-known seiyuus in the business, being around during the Music/MegumiHayashibara era and still voicing characters today. It's very hard to miss him. His more well known voice type is the 'aloof' (not necessarily [[AloofBigBrother big brother]]) character, whether it's plain cold, or just sadistic. He is also known for some HotBlooded roles, snobby roles or downright silly roles, and he's very good at changing his voice quality. Really hard to [[PigeonholedVoiceActor pigeonhole this guy]].

He was married and divorced, but later married again in 2013 to fellow seiyuu Creator/AiMaeda. He also likes ''VideoGame/SuperRobotWars'', though he's not as hardcore a fan as Creator/HikaruMidorikawa, but they still keep in touch, play together, and they have [[RelationshipVoiceActor quite a few relationship roles going together]].

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!!Notable roles by Ryotaro Okiayu:
* Abel in the ''Franchise/FireEmblem'' [[VideoGame/FireEmblemAkaneia OVA]]
* Akio Furukawa in ''VisualNovel/{{Clannad}}''
* Akuram in ''VideoGame/{{Harukanaru Toki no Naka de}}''
* Alucard in ''Franchise/{{Castlevania}}'' (though MamoruMiyano does the voice in ''VideoGame/CastlevaniaJudgment'')
* The Asian in the Drama [=CDs=] of ''VideoGame/MitsumeteKnight''
* Berserker ([[spoiler:Lancelot]]) in ''LightNovel/FateZero''
* Byakuya Kuchiki in ''Manga/{{Bleach}}''
* Captain Commando & Taira no Kagekiyo in ''VideoGame/NamcoXCapcom''
* Charles J. Chrishunds in ''{{Vassalord}}''
* Czar Baldy Bald/Tsuru Tsuruiina III in ''Manga/BoboboboBobobo''
* Dark Mousy in ''Manga/DNAngel''
* David Krugel/Tekkaman Sommer in ''Anime/TekkamanBlade 2''
* Dymlos Tinbar in ''VideoGame/TalesOfDestiny''
** Gaius in ''VideoGame/TalesOfXillia'' and ''VideoGame/TalesOfXillia2'' (He also gets a Dymlos DLC costume in the second game, making the seiyuu joke more relevant)
* [[GenderBlenderName Fatima]] in ''Manga/MagiLabyrinthOfMagic''
* Franz Heinel in ''Anime/FutureGPXCyberFormula''
* Gemini Saga & Kanon in ''Manga/SaintSeiya'' (Replacing the deceased Creator/KazuyukiSogabe)
* Count Georik Zaberisk in ''VisualNovel/AnimamundiDarkAlchemist''
* Go Dougan in ''Manga/{{Saiyuki}} Requiem''
* Has 3 roles in the ''Franchise/{{Gundam}}'' franchise:
** Treize Khushrenada in ''Anime/MobileSuitGundamWing'' and ''VideoGame/SuperRobotWars'' series
** Andrew Waltfield in ''Anime/MobileSuitGundamSEED'' and ''VideoGame/SuperRobotWars'' series
** Bring Stabity & Devine Nova in ''Anime/MobileSuitGundam00''
* Hiroto Honda in the first ''[[Anime/YuGiOhFirstAnimeSeries Yu-Gi-Oh!]]'' anime
* Homurabi in ''Manga/MonochromeFactor''
* Igor Neuhaus in ''Manga/AoNoExorcist''
* Innouva in ''Manga/MagicKnightRayearth''
* TheOtherDarrin for Isaac Goodenov in ''Anime/{{Braiger}}'' in ''VideoGame/SuperRobotWarsAlpha [[GaidenGame Gaiden]]'', ''[[VideoGame/SuperRobotWarsGC Super Robot Wars GC/XO]]'' and ''VideoGame/SuperRobotWarsNEO'' (once again taking over for the late Creator/KazuyukiSogabe who voiced Isaac in the original TV series)
* K in ''{{Gravitation}}''
* Kai Nagase in ''LightNovel/{{Sukisho}}''
* Kaku in ''{{One Piece}}''
* Kaoru Asahina in ''Manga/JunjouRomantica'' and ''Manga/SekaiichiHatsukoi''
* Kazuharu Fukuyama in ''Manga/GirlsBravo''
* Kentaro Sakata in ''Manga/LoveHina''
* Kevin Mask in ''Anime/KinnikumanNisei''
* Kijyou Madoka in ''Franchise/TokimekiMemorial Girl's Side''
** Takumi Oosawa in ''Tokimeki Memorial Drama Series Vol.2: Irodori no Love Song''
* Kunimitsu Tezuka in ''Manga/ThePrinceOfTennis''
* Kurei in ''Manga/FlameOfRecca''
* Kyosuke Momoi/Mucardia in ''Anime/YesPrettyCure5 [=GoGo=]!''
** Kenji Ban in ''Anime/HeartcatchPrettyCure''
* Lee Chaolan in ''VideoGame/{{Tekken}}'' (starting from 5)
* Leonkaiser in ''Anime/TheBraveOfGoldGoldran''
* [=LordKnightmon=] in ''Anime/DigimonFrontier'' and ''Anime/DigimonXEvolution''
** Grademon in ''Anime/DigimonXrosWars''
* [=McCrane=] in ''Anime/{{Brave Police J-Decker}}''
* Mitsui Hisashi in ''Manga/SlamDunk''
* Mondo Zappa in ''VideoGame/KillerIsDead''
* Nagare Akatsuki in ''Anime/MartianSuccessorNadesico''
* Nero in ''VideoGame/CrisisCoreFinalFantasyVII''
* Nobunaga Oda in ''VideoGame/KessenIII''
* Proto Man in ''VideoGame/MegaMan'', Zero in ''VideoGame/MegaManX'', ''MarvelVsCapcom3'' and ''ProjectXZone''
* Quon Yobatsu in ''VideoGame/FinalFantasyType0''
* Raidiese F. Branstein in ''VideoGame/ShinSuperRobotWars'', ''VideoGame/SuperRobotWarsOriginalGeneration'' and ''VideoGame/SuperRobotWarsAlpha'' series
** [[CampGay Katze Kotonolos]] and Rubor Cucullus in ''[[VideoGame/EndlessFrontier Super Robot Taisen OG Saga: Endless Frontier]]''
** Freki, [[TheWisePrince Feil-Lord Gran Bilseia]] and [[TheDandy Gino Valencia]] in ''[[VideoGame/SuperRobotWarsGaiden Super Robot Taisen OG Saga: Masou Kishin: Lord of Elementals/Revelations of Evil God]]'' (also ''VideoGame/SuperRobotWarsEX'' for Feil)
* Rankerk Hatred in ''VideoGame/LightningLegendDaigoNoDaibouken''
* Ranmaru Samejima in ''Manga/Kizuna''
* Reever Wenham in ''Manga/DGrayMan''
* Rodimus Convoy in ''[[Anime/TransformersEnergon Transformers: Super Link]]''
* Ronfar in ''[[VideoGame/LunarEternalBlue Lunar: Eternal Blue]]''
* Roy Bromwell in ''VideoGame/RivalSchools''
* Scar in ''Anime/FullmetalAlchemist''
* Seiya Sena in ''Manga/LoveStage''
* Shigure Sohma in ''Manga/FruitsBasket''
* Siegfried in ''Anime/TheSacredBlacksmith''
* [[VideoGame/DynastyWarriors Sima Shi]], [[VideoGame/SamuraiWarriors Chousokabe Motochika]] & [[VideoGame/WarriorsOrochi Orochi]] in KOEI's Warriors franchise
** He's also confirmed to [[TheOtherDarrin replace]] Sima Yi after the unfortunate passing of the original VA, Tsuyoshi Takishita.
* Subaru Okiya in ''{{Detective Conan}}''
* Synbios and Julian in ''VideoGame/ShiningForceIII''
* Takurou Kimura in ''Anime/DiGiCharat''
* Terra in ''VideoGame/KingdomHeartsBirthBySleep''
* Tigers-eye from ''Anime/SailorMoon''
* Tooru Watanabe in ''Anime/ExcelSaga''
* Toriko in ''Manga/{{Toriko}}''
* UsefulNotes/ToyotomiHideyoshi in ''VideoGame/SengokuBasara''
* Tybalt in ''Anime/RomeoXJuliet''
* Yuu Matsura in ''Manga/MarmaladeBoy''


Just for those who are curious, it's kinda ironic that in ''VideoGame/SengokuBasara'', Motochika is voiced by Creator/RyuzouIshino, who in ''Anime/MobileSuitGundamWing'' voiced Chang Wufei, rival of Okiayu's character Treize.
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