Moa Angol is a supporting character in the anime and manga series 'Keroro Gunsou' (also known as 'Sgt. Frog'). She is an alien from the planet Angol and serves as an observer of Earth, tasked with judging whether humanity should be annihilated. Despite her mission, Moa is cheerful, friendly, and somewhat naïve, quickly befriending the main characters. She has a close relationship with Keroro and is known for her distinctive appearance, including her large scythe and cheerful personality.