Ojarumaru : Gekkouchou Sanpo de Ojaru

Ojarumaru is a Japanese anime series created by Rin Inumaru. The series has aired on NHK E-Tele since October 1998, making it the third longest-running anime series to date. In this platformer game, the player is Ojarumaru and can use an extensible arm as a grappling hook to not only defeat enemies but also hang to platforms in order to jump farther.