Age: 17 Gender: Male Detective from Osaka. Traits: Loves deduction. A skilled kendo practitioner. Childhood friends with Kazuha Toyama. He likes Kazuha but hasn't been able to confess. He constantly bickers with her for no reason. He is the only one who knows Conan is actually Shinichi Kudo. He tries his best to be careful around Ran and Kazuha. Rides a motorcycle. Rivals with Conan (Shinichi) but looks out for him. Friends with Kazuha Toyama, Ran Mouri, and Conan (Shinichi Kudo).

Age: 8 Gender: Male Traits: His original age is 17 and his name is Shinichi Kudo, but he changed his name to Conan after his body shrank. He shrank due to a drug forced upon him by the Black Organization. His childhood friend Ran does not know Conan is Shinichi. To gather information on the Black Organization, he lives at the Mouri Detective Agency run by Ran's father. He is rivals with Heiji Hattori, but they look out for each other when they meet. People who know Conan is Shinichi: Dr. Agasa, Heiji Hattori, Ai Haibara (who also shrank after taking the same drug to escape the Black Organization). Rival: Heiji Hattori, the detective of Osaka. Detective Boys: Mitsuhiko, Genta, Ayumi, Haibara, Conan.

Age: 17 Gender: Female Traits: A high school student and karate practitioner from Tokyo. Childhood friends with Shinichi Kudo. She hasn't seen Shinichi since they went to the amusement park. She doesn't know Conan is Shinichi. She often follows her father, Kogoro Mouri, whenever there is a case. While looking for Shinichi, she found Conan at Dr. Agasa's house and brought him to live at her father's detective agency. Friends with Kazuha Toyama and Heiji Hattori.

Age: 52 Gender: Male Ran Mouri's father. Runs a detective agency.