
Originally Posted by
Ashley Schovitz
Maybe Axel is Riku's nobody since Riku was once a heartless since Ansem took over his body and he had the heartless symbol on him and even then still in kH II he was in Heartless Xenahort's body, so maybe.
Riku never became a Heartless. You can clearly see him fight against Ansem multiple times until tthe end, when he is actually free. In KHII, he takes on the guise of Ansem in order to freely use his powers, and to help Sora.