Person
Kappei Yamaguchi
Fukuoka, Fukuoka, Japan
Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo), better known by his stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei) is a Japanese voice actor and actor from Fukuoka, affiliat…
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Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo), better known by his stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei) is a Japanese voice actor and actor from Fukuoka, affiliated with Gokū and 21st Century Fox. He is best known for the roles of Ranma Saotome (Ranma ½), Jackson Neil (Miracle Girls), Tombo (Kiki's Delivery Service), Yattaro (Kyattou Ninden Teyandee), InuYasha (InuYasha), Ryuichi Sakuma (Gravitation), L (Death Note), Usopp (One Piece), Hideyoshi (Law of Ueki), and Kaito Kid and Shinichi Kudo (Case Closed). His current starring roles include that of Raimon "Monta" Taro, the Deimon Devil Bats' ace receiver in Eyeshield 21. Yamaguchi has appeared in eroge as Kyōya Ushihisa (牛久 京也, Ushihisa Kyōya). He made his first public appearance in North America at Otakon 2008; and was also a guest at Sakura-Con 2009. Yamaguchi's third appearance to date has been at Animazement in 2010. He is married and has a daughter, Akane Yamaguchi (山口 茜), and a son, Ryunosuke Yamaguchi (山口 竜之介), who also are voice actors. Description above from the Wikipedia article Kappei Yamaguchi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Movies and shows, newest first
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2026
Assassination Classroom the Movie: Our Time
Movie Futoshi (voice)
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2026
Gintama the Movie 2026: Yoshiwara in Flames
Movie Inorin (voice)
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2026
BEAT RUNNERS
TV show Vivace (voice)
-
2025
Mechanical Marie
TV show Carl Ojisan (voice)
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2025
Detective Conan: The 17-Year-Old Truth
Movie Shinichi Kudo (voice)
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2025
Alice in Wonderland –Dive in Wonderland–
Movie The White Rabit (voice)
- 2025
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2025
Detective Conan: One-Eyed Flashback
Movie Shinichi Kudo (voice)
-
2024
One Piece Log: Fish-Man Island Saga
TV show Usopp
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2024
One Piece Fan Letter
Movie Usopp
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2024
Ranma1/2
TV show Ranma Saotome (voice)
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2024
Mecha-Ude: Mechanical Arms
TV show Yakumo (voice)
- 2024
-
2024
Detective Conan: The Million-Dollar Pentagram
Movie Kaito Kid / Shinichi Kudou (voice)
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2024
Train to the End of the World
TV show Shizuru's father (voice)
-
2024
Bakuage Sentai Boonboomger
TV show Ticket (voice)
More credits
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2024
BUCCHIGIRI?!
TV show Komao (voice)
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2024
Detective Conan vs. Kid the Phantom Thief
Movie Kaito Kuroba / Kaito Kid (voice)
-
2023
The Incident
TV show
-
2023
Detective Conan: Black Iron Submarine
Movie Shinichi Kudou (voice)
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2023
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
Movie Kaito Kuroba (voice)
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2022
Urusei Yatsura
TV show Saizo (voice)
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2022
One Piece Film Red
Movie Usopp (voice)
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2022
Detective Conan: The Bride of Halloween
Movie Shinichi Kudo (voice)
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2022
Miss Shachiku and the Little Baby Ghost
TV show "Cute" Voiceover of the Week (voice)
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2022
Estab-Life: Great Escape
TV show Mikhail (voice)
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2022
ODDTAXI in the Woods
Movie Eiji Kakihana (voice)
-
2021
One Piece - En route vers l'épisode 1000
Movie Comédien de doublage de Usopp – Japon
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2021
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
TV show Oberon (voice)
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2021
Detective Conan: The Scarlet Bullet
Movie Shinichi Kudo (voice)
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2021
Space Academy
TV show Jii-chan (voice)
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2021
ODDTAXI
TV show Eiji Kakihana (voice)
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2021
航海王：和之国总集篇
TV show 配音
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2020
The Gymnastics Samurai
TV show Bigbird Aragaki (voice)
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2020
JUJUTSU KAISEN
TV show Kechizu (voice)
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2020
Yashahime: Princess Half-Demon
TV show Inuyasha (voice)
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2020
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
TV show Shin (voice)
-
2019
Detective Conan: The Scarlet School Trip
Movie Shinichi Kudo (voice)
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2019
Super Sentai Strongest Battle Director's Cut
Movie ToQger Arsenal (voice)
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2019
Vinland Saga
TV show Jabbathe (voice)
