|Date of birth:||May 23, 1965|
|Place of birth:||Fukuoka, Fukuoka|
|Voice of:||Shinichi Kudo |
Kappei Yamaguchi (山口 勝平 Yamaguchi Kappei), born May 23, 1965, is a seiyu from Fukuoka, Fukuoka.
In Detective Conan and Magic Kaito 1412 he is the voice of Shinichi Kudo, Kaito Kuroba, and Kaitou Kid. He also voiced numerous backgrounds characters, and appeared in Gosho Aoyama's prior series Yaiba as the kappa Kerokichi.
Other notable roles
- Akachan to Boku as Takuya Enoki
- Kiki's Delivery Service as Tonbo
- Ranma 1/2 as Ranma Saotome
- Samurai Pizza Cats as Yattaro (Speedy Cerviche)
- Grappler Baki (OVA) as Baki Hanma
- Mobile Fighter G Gundam as Sai Saici
- Zenki as Zenki
- Beast Wars as Rattrap
- Betterman as Keita Aono
- One Piece as Usopp
- InuYasha as InuYasha
- Gulliver Boy as Gulliver Toscanni
- Gun Frontier as Tochiro
- Eyeshield 21 as Taro "Monta" Raimon
- DEATH NOTE as L
- Tetsuwan Tantei Robotack as Torabolt
- Tokusou Sentai Dekaranger as Thousanian Gineka
- Tensou Sentai Goseiger as Ain-I of the Neutral
- Ressha Sentai ToQger as Ticket
- Unofficial Sentai Akibaranger Season 2 as Chief Clerk Blu-Ray & Chief Editor HVD
- Jerry Jewell in addition to voicing Shinichi Kudo in the Funimation Dub, also voiced Jin in YuYu Hakusho.
- Kang Sujin, Korean dub voice for Shinichi Kudo, also voiced Inuyasha, Ranma Satome, and Zenki.