Aidon is the son of Mildain and the brother of Cain but he is so much more. Aidon is Gunther's greatest student and later goes on to have a son of his own, trains Dende, and then becomes the protector of the dragon balls and their creators. Little is know of what happened to Aidon after that most say that he was given imortality by the gods so that he could protect the dragon balls forever but some would like to say other wise. Even though he dissapered from the eyes of the universe his memory still stays in thows who knew him best.