Dororo is a character in Sgt. Frog (also known as Keroro Gunso). He is the latest of the platoon to appear. His body is medium blue (although painted completely black in the manga) with light gray ninja-like headgear and mouthpiece. His forehead and belly mark is a four-pointed shuriken and he always carries a sheathed knife on the back. His pink afro is the one seen more rarely. He is the last member of the platoon to appear.