Katsuda is a teenage boy with short messy brown hair, tanned skin and brown eyes. He is shown with a muscly body and a chiseled face.
Katsuda is shown to be fierce and free-spirited individual. He rarely gives up and will put his life on the line for other teammates.
|Boy Detectives Club||• Yoshio Kobayashi • Kensuke Hanasaki • Ryo Inoue • Makoto Noro • Masaharu Katsuda • Tomohisa Otomo • Kogoro Akechi • Tasuku Yamane|
|Detectives||• Kogoro Akechi • Nao Nakamura|
|Other||• Hide • Furukawa • Fiend With Twenty Faces|