Tamama Nitouhei is one of the main characters in the anime series Keroro Gunsou (Sgt. Frog). Serving as the Private Second Class of the Keroro Platoon, Tamama is known for his seemingly innocent and cute demeanor, which hides a jealous and occasionally explosive personality. He is deeply loyal to Sergeant Keroro but often becomes envious of others who get close to him. Tamama's dual nature and comedic moments make him a beloved character within the series, adding both humor and complexity to the platoon's dynamics.