Kenichi Shikishima

Kenichi Shikishima is a recurring character in Osamu Tezuka's Star System. Though he's primarily a detective he plays a plethora of other roles throughout different manga and anime. Diary of Maa-chan: He's a kid detective. Kasei Mars: He's an adventurous boy. Astro Boy: He's Astro Boy's classmate and friend.