Kaito Kid (also known as Kaito Kuroba) in Case Closed (Detective Conan) is voiced by Kappei Yamaguchi in the Japanese version and Jerry Jewell in the English dub. Kappei Yamaguchi brings a playful, charismatic, and mischievous energy to the phantom thief, making Kaito Kid one of the most iconic rival characters in the series.
Kappei Yamaguchi (Japanese Voice Actor)

Date of Birth
May 23, 1965
About Kappei
Kappei Yamaguchi is a highly respected Japanese voice actor known for his energetic performances and distinctive voice. He often portrays lively, clever, and sometimes mischievous characters. With a career spanning decades, he has become one of the most recognizable voices in anime, especially for youthful male protagonists and trickster-type roles.
Hometown
Fukuoka Prefecture, Japan
Career Highlights
Kappei Yamaguchi is widely known for voicing:
- Kaito Kid / Kaito Kuroba (Detective Conan, Magic Kaito)
- Shinichi Kudo (Detective Conan)
- Usopp (One Piece)
- Ranma Saotome (male) (Ranma ½)
- Inuyasha (Inuyasha)
His dual role as both Shinichi Kudo and Kaito Kid is especially notable, showcasing his ability to differentiate two characters with similar voices but very different personalities.
Full Current Filmography
Below is a structured list of documented notable voice acting credits from reputable sources. This reflects confirmed roles but may not be exhaustive.
Anime (Selected, Chronological Highlights)
- 1989 – Ranma ½ – Ranma Saotome (male)
- 1996–present – Detective Conan – Shinichi Kudo / Kaito Kid
- 2000 – Inuyasha – Inuyasha
- 2000 – One Piece – Usopp
- 2010 – Magic Kaito – Kaito Kuroba / Kaito Kid
- 2014 – Magic Kaito 1412 – Kaito Kuroba
Film (Anime)
- Inuyasha film series – Inuyasha
- Detective Conan films – Shinichi Kudo / Kaito Kid
- One Piece films – Usopp
Video Games (Selected)
- Detective Conan games – Shinichi Kudo / Kaito Kid
- One Piece games – Usopp
- Inuyasha games – Inuyasha
Critical Reception
Kappei Yamaguchi is praised for his expressive and versatile performances, particularly his ability to balance humor, charm, and intensity.
His portrayal of Kaito Kid is widely loved for its charisma and theatrical flair, making the character a fan-favorite across both Detective Conan and Magic Kaito.
Social Media
No widely verified official public social media accounts are consistently documented for Kappei Yamaguchi.
Jerry Jewell (English Voice Actor)

Date of Birth
July 30, 1974
About Jerry
Jerry Jewell is an American voice actor, ADR director, and scriptwriter best known for his work with Funimation (now Crunchyroll). He is recognized for his smooth, expressive voice and his ability to portray clever, charismatic, and emotionally layered characters. His performances often balance charm with intensity, making him a natural fit for roles like Kaito Kid.
Hometown
McAlester, Oklahoma, United States
Career Highlights
Jerry Jewell has voiced many notable characters in English-dubbed anime, including:
- Kyo Sohma (Fruits Basket)
- Jimmy Kudo / Shinichi Kudo (Case Closed)
- Kaito Kid (Case Closed)
- Lyon Vastia (Fairy Tail)
- Saiki Kusuo (The Disastrous Life of Saiki K.)
His portrayal of Kaito Kid emphasizes the character’s theatrical flair, intelligence, and playful confidence, while also maintaining a distinct tone from his role as Shinichi Kudo.
Full Current Filmography
Below is a structured list of documented voice acting credits based on reputable sources. This reflects confirmed roles but may not be exhaustive.
Anime (Selected, Chronological Highlights)
- 2004–2005 – Case Closed – Jimmy Kudo (Shinichi Kudo), Kaito Kid
- 2006 – Ouran High School Host Club – Kyoya Ootori
- 2008 – Soul Eater – Stein (Dr. Franken Stein, younger voice/alt takes)
- 2010 – Fairy Tail – Lyon Vastia
- 2011 – Steins;Gate – Luka Urushibara
- 2013 – Attack on Titan – Additional voices
- 2015 – Noragami Aragoto – Bishamon’s Regalia (additional voices)
- 2019 – Fruits Basket (2019) – Kyo Sohma
- 2020 – The Disastrous Life of Saiki K.: Reawakened – Kusuo Saiki
ADR Direction & Writing (Selected)
- Fruits Basket (2019) – ADR Director
- Fairy Tail – ADR Director (select episodes)
- Case Closed – ADR script contributions
Video Games (Selected)
- Borderlands 3 – Additional voices
- Smite – Various character voices
Critical Reception
Jerry Jewell is widely respected for his versatility and longevity in the anime dubbing industry. His performances as Kyo Sohma and Kyoya Ootori are particularly praised for their emotional depth and character nuance.
His take on Kaito Kid has been well received for capturing the character’s charm and intelligence while maintaining a distinct identity within the English dub of Case Closed.
Social Media
X: @JerryJewell (https://x.com/JerryJewell)
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Published by Limarc Ambalina
Limarc Ambalina is the founder of Japan Bound, a website covering all things Japan — from travel and culture to anime, manga, and pop culture. He is also the Director of Content at ISNation and the former VP of Editorial at HackerNoon. Based in Japan, he has been writing about Japanese life and entertainment since 2019, growing the site to over 2.4 million views.
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