Harley Hartwell, known in Japan as Heiji Hattori , is Jimmy Kudo's rival detective from Osaka and his father, Martin Hartwell, known in Japan as Heizo Hattori , is the chief commissioner of the Osaka police department. He later becomes friends with Conan Edogawa after he discovers his true identity as Jimmy. He often accidentally calls Conan, Kudo in front of Rachael, confusing her. He has a relationship with Kazuha Toyama, his childhood friend and would-be love interest. Harley is also a master kendo fighter. His Japanese voice actor is Ryo Horikawa and his English voice actor is Kevin M. Connolly. He is portrayed in the live dramas by Tori Matsuzaka.