Amy Yeager
Amy Yeager, known as Ayumi Yoshida (吉田歩美 Yoshida Ayumi ) in Japan, is Conan's friend and classmate. Amy was the sole female member of the Junior Detective League until they got Anita Hailey to join. She has a crush on Conan, which makes him uncomfortable, though Amy thinks that he loves Anita because he tries to protect her and she often sees them talk amongst themselves in private. She is a naive and innocent little girl who shows courage from time to time and acts as the team's cheerful spirit. Amy later becomes better friends with Ai, and in the Japanese version, Ai allows Amy to use the more informal term Ai-"chan" to address her.[11] In the English Manga, her name is translated to Amy Yoshida. Her seiyū is Yukiko Iwai and her English voice actress is Monica Rial.
Mitch Tennison
Mitch, known as Mitsuhiko Tsuburaya (円谷光彦 Tsuburaya Mitsuhiko ) in Japan, is a friend of Amy and George who enjoys reading science books and takes a scientific approach to problem solving. He seems to be infatuated with both Amy and Anita Hailey. He is a smart and well-read first-grader who believes that technology can solve most problems. It was shown that his parents are both teachers, and he has an older sister, Asami Tsuburaya (円谷 朝美 Tsuburaya Asami ), two years his senior.[12] In the English Manga, his name is translated to Mitch Tsuburaya. His seiyū is Ikue Ohtani and his English voice actor is Cynthia Cranz. He was temporarily voiced by Orikasa Ai in the 10th movie.
George Kaminski
George, also known as Genta Kojima (小嶋元太 Kojima Genta ) in Japan, is the overweight, self-proclaimed leader of the Junior Detective League. He loves food and can eat more than all the other Junior Detective League members combined. His favorite food is eel rice. Even though he can be intimidating, he is actually very kind. He is a friend of Amy and Mitch, and has been shown to admire his father, who owns a liquor store. Both he and Mitch have a crush on Amy, and they both envy Conan since she likes him. In the English Manga, his name is translated to George Kojima. His seiyū is Wataru Takagi and his English voice actor was Dameon Clarke and currently Mike McFarland.
Shiho Miyano
Shiho Miyano (宮野志保 Miyano Shiho ) was a former member of the Black Organization under the code name "Sherry" (シェリー Sherry ). A gifted chemist at a young age, she was the inventor of APTX 4869, the poison that shrank Jimmy. Shiho betrays the organization after Gin killed her sister, Akemi Miyano. Shiho took the drug in a suicide attempt, but rather than dying, she, like Jimmy, became small. She is taken in by Dr. Agasa and becomes Conan Edogawa's right hand under her alias Anita Hailey, known in Japan as Haibara Ai (灰原哀 Ai Haibara ). She shows affection towards Jimmy, but she denies having said feelings. Despite being constantly in the company of the Junior Detective League and Ran, she was very reserved and only opened up a little more to Amy and Rachel after sometime. In Episode 330, she allowed only Ayumi to call her "Ai-chan". She often helps Conan solve cases and find information on the Black Organization to help bring them down in addition to working on the cure to their condition. Her seiyū is Megumi Hayashibara and her English voice actor is Brina Palencia. In the live drama, her teenage form was portrayed by Yuu Kashii and her child form was by Shibota Kyota.