Musha Gundam.

武者ガンダム

SD Gundam (Japanese: SDガンダム, Hepburn: Esu Dī Gandamu; short for 'Superior Defender Gundam' or Super Deformed Gundam) is a media franchise that spawned from the Gundam franchise. SD Gundam takes the mecha (and characters) from Gundam and expresses them in a super deformed and anthropomorphic style.