Kappei Yamaguchi
Biography
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.
Personal Details
Also Known As
Movies (26)
Detective Conan: The Truth of 17 Years Ago
as Shinichi Kudo (voice)
2025
Alice in Wonderland –Dive in Wonderland–
as The White Rabit (voice)
2025
Detective Conan: One-Eyed Flashback
as Shinichi Kudo (voice)
2025
Case Closed: The Million-Dollar Pentagram
as Kaito Kid / Shinichi Kudou (voice)
2024
Detective Conan vs. Kid the Phantom Thief
as Kaito Kuroba / Kaito Kid (voice)
2024
Detective Conan: Black Iron Submarine
as Shinichi Kudou (voice)
2023
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
as Kaito Kuroba (voice)
2023
One Piece Film Red
as Usopp (voice)
2022
Detective Conan: The Bride of Halloween
as Shinichi Kudo (voice)
2022
One Piece - En route vers l'épisode 1000
as Comédien de doublage de Usopp – Japon
2021
Detective Conan: The Scarlet Bullet
as Shinichi Kudo (voice)
2021
Detective Conan: The Scarlet School Trip
as Shinichi Kudo (voice)
2019
Super Sentai Strongest Battle Director's Cut
as ToQger Arsenal (voice)
2019
Chibi Maruko-chan
as Kenichi Oono (voice)
2019
Case Closed: The Fist of Blue Sapphire
as Shinichi Kudo / Kaito Kuroba (voice)
2019
One Piece: Stampede
as Usopp (voice)
2019
One Piece: Episode of Skypiea
as Usopp (voice)
2018
Peacemaker Kurogane: Belief
as Shinpachi Nagakura (voice)
2018
Case Closed: Zero the Enforcer
as Shinichi Kudo / Kaito Kid (voice)
2018
Engimon
2018
Mazinger Z: Infinity
as Mucha (voice)
2017
One Piece Episode of East Blue
as Usopp (voice)
2017
Case Closed: The Crimson Love Letter
as Shinichi Kudo (voice)
2017
Okaeri: Furusato no Karatsu
as Sora Hiroi (voice)
2017
Kamiwaza Wanda
2017
Detective Conan: Episode One - The Great Detective Turned Small
as Shinichi Kudo (voice)
2017
TV Shows (24)
Mechanical Marie
as Carl Ojisan (voice)
2025
SPECIAL EDITED VERSION『ONE PIECE』魚人島編
as Usopp
2024
Ranma1/2
as Ranma Saotome (voice)
2024
Mecha-Ude: Mechanical Arms
as Yakumo (voice)
2024
Train to the End of the World
as Shizuru's father (voice)
2024
Bakuage Sentai Boonboomger
as Ticket (voice)
2024
BUCCHIGIRI?!
as Komao (voice)
2024
Urusei Yatsura
as Saizo (voice)
2022
Miss Shachiku and the Little Baby Ghost
as "Cute" Voiceover of the Week (voice)
2022
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
as Oberon (voice)
2021
Space Academy
as Jii-chan (voice)
2021
ODDTAXI
as Eiji Kakihana (voice)
2021
航海王：和之国总集篇
as 配音
2021
The Gymnastics Samurai
as Bigbird Aragaki (voice)
2020
JUJUTSU KAISEN
as Kechizu (voice)
2020
Yashahime: Princess Half-Demon
as Inuyasha (voice)
2020
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
as Shin (voice)
2020
Vinland Saga
as Jabbathe (voice)
2019
Super Sentai Strongest Battle!!
as ToQger Arsenal (voice)
2019
RADIANT
as Master Lord Majesty (voice)
2018
Super Dragon Ball Heroes
as Fu (voice)
2018
GeGeGe no Kitaro
as Ittan Momen
2018
The Ancient Magus' Bride
as Oberon (voice)
2017
Makeruna!! Aku no Gundan!
as Pepu (voice)
2017