Maureen: Xinyi's childhood friends, together with Xinyi in playing tag, found Xinyi missing. Later, they met Conan At first, they didn't know that Conan was Xinyi. Later, they began to doubt.
Grey primitive sadness; Like Shinichi, his figure has shrunk, but he used to be a member of the Men in Black Association.
Richard Moore: Xiaolan's father, a somewhat confused detective, was later used by Conan as a shield to solve the case, and was praised by outsiders as "sleeping Kogoro"
Hattori Pingzhi: Like Shinichi, he has an excellent detective mind. He is both a friend and a competitor.
Thief: From time to time, a handsome thief confronts Shinichi.
Suzuki Garden: Xiaolan's good friend is very enthusiastic. Her family is a rich family. Sometimes it becomes Conan's new girl who uses her to solve crimes.
Dr Ali: People who know Conan's true identity often make some strange props for Conan.
Mu Daske XIII: The lovely Mu Daske police officer and Kogoro have known each other for a long time and have worked together before.
Shibuya Hirohiko: Conan's classmate, a member of the juvenile detective team.
Mrs. Xiaoyuantai: Conan's classmate, one of the members of the juvenile detective team.
Yoshida: Conan's classmate, a member of the juvenile detective team. Like Conan.
Kudou Yū saku: Xinyi's father is an excellent novelist.
Kudo Yukiko: Shinichi's mother.