Rock Holmes

Rock is a recurrent character in Osamu Tezuka's manga series, and he is an important part of Osamu Tezuka's Star System. Rock is a young boy with shiny dark hair. He first appeared in the manga series Detective Boy Rock Holmes, as a child detective. While most of other Tezuka child characters stayed the same age, Rock grew up throughout the years and his character was reused for more mature "roles" in Tezuka's manga, where he gradually developed a darker personality.