The series was created and is drawn by Gosho Aoyama. The protagonists from his earlier series Magic Kaito look very similar: Kaito Kuroba has made a number of appearances as himself in the anime and manga of the series. The main protagonist of the Case Closed series Shinichi Kudo and the protagonist of the Magic Kaito Series, Kaito Kuroba are also similar. Hundreds of minor characters have been created and are always given backgrounds, motives, and a personalities that put them under suspicion during the investigation.

The English adaption dubbed by Funimation has different names than the one in the manga published by Viz Media.

The series revolves around Shinichi Kudo and his "child version", Conan Edogawa as well as his best friend Ran Mouri and her father Kogorou Mouri.

Picture Name English Name Role
Shinichi Kudo
Shinichi Kudo Jimmy Kudo Main character of the series. He was shrunk into a child after being forced to take a poison, called APTX 4869, created by the Black Organization.
Conan Edogawa
Conan Edogawa Conan Edogawa Child "version" of Shinichi. He's after the Black Organization to regain his original body. The show follows his journey and the different cases he encounters along the way.
Ran Mouri
Ran Mouri Rachel Moore Shinichi's childhood friend, and main love interest. She doesn't know Conan's real identity. She's the one taking care of him along with her dad, Kogoro.
Kogoro Mouri
Kogorou Mouri Richard Moore Private eye and Ran's father. Separated from Eri Kisaki, Ran's mother.