Kyūkyoku Chōjin R(究極超人あ～るKyuukyoku Choujin a~ru) is a manga series written and illustrated by Masami Yuuki. It was serialised in Shogakukan's Shōnen Sunday from 1985 to 1987. The series revolved around a teenage robot named R. Ichiro Tanaka. Later, it was revealed that R's creator Dr. Narihara only built R for a failed attempt to take over the world.