Yamaguchi Kappei ist geboren am 23.5.1965 in Fukuoka. Sein richtiger
Name ist Yamaguchi Mitsuo. Er arbeitet für Gekidan 21 Seiki Fox.
| "1+2 = Paradise": Yamamoto Yuusuke |
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| "Akachan to Boku": Takuya |
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| "Akihabara Dennou Gumi": Crane Bahnsteig / der weiße
Prinz |
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| "Apfel Land Story": Virgil |
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| "Arslan Senki": Arslan |
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| "Ashita he Free Kick": Toto |
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| "Ayane-chan High Kick": Inagaki Kappei |
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| "B'T X": Kimiira |
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| "Battle Angel Alita": Yugo |
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| "Beast Wars": Rattor |
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| "Betterman": Aono Keita |
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| "Boyfriend": Tohru |
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| "Bronze": Shibuya |
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| "Captain Tsubasa": Shester |
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| "CB Character Nagai Gou World": Kabuto Kouji |
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| "CLAMP Gakuen Tanteidan": Higashikumaru Kentaro |
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| "Cowboy Bebop" (Folge 10): Rhint |
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| "Dagwon": Utsumi Rai |
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| "Dash! Shikurou": Sento |
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| "Detective Conan": Kudou Shin'ichi |
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| "Dragon Slayer": Serios |
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| "Edens Bowy": Yorun |
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| "Fire Emblem": Julian |
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| "Flag!": Akira |
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| "Flare 2": Io |
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| "G Gundam": Sai Saishi |
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| "Giant Robo": Kusamu Daisaku |
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| "Ginga Sengoku Gun'yuuden Rai:" Taisuke |
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| "Gokinjo Monogatari": Yamaguchi Tsutomu |
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| "Gravitation": Sakuma Ryuuichi |
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| "Gulliver Boy": Guliver |
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| "Hakkenden": Inukawa Sosuke (Gakuzo) |
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| "Hanappe Bazooka": Hanappe |
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| "Houma Hunter Lime": Birth |
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| "Idol Tenshi Youkoso Yoko": Yasu-san |
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| "Inuyasha": Inuyasha |
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| "Jungle de Ikou": Takuma |
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| "Jungle Emperor": Kesor |
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| "Juuni Kokki": Enki Rokuta |
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| "Kamikaze Kaitou Jeanne": Noin |
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| "Kiki's Delivery Service": Tombo |
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| "Kindaichi Shounen no Jikenbo": Misumi Youhei, Kindaichi
Hajime |
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| "King of Jungle Tar-chan": Etekichi |
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| "Kishin Heidan" (Band 4): Kaptän |
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| "KO Seiki Beast": Wan Dabada |
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| "Kyattou Ninden Teyandee": Yattarou |
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| "Madara": Madara |
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| "Mahou no Stage Fancy Lala": Yoshida Tarou |
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| "Mahoujin Guru Guru": Prinz Nikomo |
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| "Mama ha Shougaku 4 Nensei": Hanada Hideo |
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| "Mamono Hunter Yohko": Osamu Wakabayashi |
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| "Miracle Girls": Noda Yuuya |
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| "Nineteen": Kubotas Freund |
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| "Nintama Rantarou": Hanafusa Makinosuke |
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| "Oira Sukeban": Suke Banji |
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| "Osakana ha Ami no Naka": Matsui |
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| "Plastic Little": Nicol |
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| "Please Save My Earth": Kasama Haruhiko |
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| "Ranma 1/2": Saotome Ranma |
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| "Record of Lodoss War": Etoh |
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| "Reideen 1996": Kyle Moon |
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| "RG VEDA": Ryuu-Oh |
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| "Rurouni Kenshin": Musashino Yasuharu |
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| "Ryokunohara Labyrinth": Kanata |
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| "Saber Marionette J to X": Shikase Akashi |
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| "Seishoujo Kantai Virgin Fleet": Diesels Angestellter |
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| "Shadow Skill": Low |
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| "Silent Mobius (TV)": Flex |
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| "Sister Princess": Yamada Tataru |
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| "Slow Step": Akiba Shuu |
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| "Souryuuden": Ryuudou Amaru |
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| "Super Zugan": Toyotomi |
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| "Takamaru": Fukuda Clorde |
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| "Tenkuu no Escaflowne": Shesta |
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| "Tokyo Babylon": Sumeragi Subaru |
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| "Twinbee Paradise": Light |
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| "Villgust": Bostov |
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| "Violence Jack": Inuma Saurou |
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| "Wedding Peach": Takurou |
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| "Wind Named Amnesia": Johnny |
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| "YAT Anshin! Uchuu Ryokou": Kanabi |
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| "Zenki": Zenki als Kind |
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| "Zetsuai 1989": Katsumi Shibuya |
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| "Zoku Zoku Mura no Obaketachi": Ninniku, Passari |
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