Kanichi Aozora, better known by his nickname Kan-chan, is a young boy and the creator of the robot Robotan. He is an elementary school student, approximately ten years old, and attends Pencil Elementary School where he is in class five-one. His father is named Aozora Kansaburou. Kan-chan is the one who constructed Robotan, who comes from the planet Roboro, thereby initiating the robot's integration into the Aozora family as both a domestic helper and companion. No information is available regarding specific personality traits that define Kan-chan, his personal motivations beyond building Robotan, his narrative role or development throughout the story, any notable abilities he may possess, or details on his other key relationships.