Kouichi NaganoActingDecember 12, 1966 (59 years old)Sakura, Chiba Prefecture, JapanPopularity: 0IMDbAlso Known AsKōichi NaganoKnown For8.7Hunter x HunterGoz (voice)8.7One PieceHelmeppo (voice)8.0Mushi-ShiMan (voice)8.4Eyeshield 21Ryokan Kurita7.2One Piece Film RedHelmeppo (voice)7.9Kyuukyuu Sentai GoGoFivePuppetongue (voice)7.5One Piece Film: ZHelmeppo (voice)6.6MazinkaiserProfessor Sewashi (voice)7.3Dual! Parallel Trouble AdventureNaoya Shiozaki7.8One Piece: StampedeHelmeppo (voice)8.4CapetaShigeyoshi Kumada (voice)6.7One Piece: Episode of Luffy - Hand Island AdventureHelmeppo (voice)FilmographyMovies12TV Shows11AllCast12CrewBrowse All2020s7.2One Piece Film RedHelmeppo (voice)2010s7.8One Piece: StampedeHelmeppo (voice)7.8One Piece Episode of East BlueHelmeppo (voice)7.5One Piece Film: ZHelmeppo (voice)6.7One Piece: Episode of Luffy - Hand Island AdventureHelmeppo (voice)2000s1.0Asylum SessionSuperintendent (voice)6.6One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!Max (voice)6.1Mazinkaiser vs Great Darkness GeneralGeneral Ligern / Mucha / Professor Sewashi (voice)6.6One Piece: Dream Soccer King!Helmeppo (voice)4.0Baby Felix & FriendsMaster Cylinder1990s5.5Let's & Go! WGP The Great Pursuit of the Berserk Mini 4WD car!6.9Bakusō Kyōdai Let's & Go!! WGP Bōsō Mini Yonku Dai Tsuiseki!Hikoza Mizusawa
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