The shrunken form of Kudo Shinichi after being forced to take APTX 4869. He is currently hiding his identity from Mori Ran. However, because he is so smart for an elementary student, his identity is often almost discovered. He is a member of the Junior Detective League. Currently, the only people who know his true identity are Haibara Ai, Hattori Heiji, and Guest (including Professor Agasa!).

Kudo Shinichi's childhood friend. She is a master of karate and serves as the captain of her team. She is the daughter of Mori Kogoro.

Formerly Miyano Shiho, she took APTX 4869 and shrank, now living as Haibara Ai. She currently lives with Professor Agasa. She is very intelligent and secretly harbors feelings for Conan. She is also a member of the Junior Detective League.

A member of the Junior Detective League. She is the gentlest and kindest, though she can be a bit of a crybaby. She has a crush on Conan and likes Haibara as a friend.

A member of the Junior Detective League. For a child, he is quite good at reasoning, second only to Conan.

A character who just loves eel bowls... and acts a bit like a troll(?). He is a member of the Junior Detective League and considers himself the leader (though only Genta thinks so... lol). ⚠️Just to be clear⚠️ [I'm not writing this because I hate Genta! haha!]

One of the first people to learn that Conan had shrunken. He creates various gadgets for Conan and made the Detective Badges for the Junior Detective League. He currently lives with Haibara Ai.

A private investigator and Mori Ran's father. He is famous as 'Sleeping Kogoro.' However, he often neglects his work and drinks, leading to frequent scoldings from his daughter, Ran.

The Great Detective of the West, considered to be as brilliant as Kudo Shinichi. He is also highly skilled in Kendo.

A childhood friend of Mori Ran and Kudo Shinichi. She is the daughter of a wealthy conglomerate family.