Grendizer
Grendizer (グレンダイザー Gurendaizā) is the titular robot of the show UFO Robo Grendizer. Created as the secret weapon of Planet Fleed, and kept hidden by it's royal family; It's tremendous power was coveted by the Vegan Empire, who attempted to steal it for their own evil ends after destroying the rest of the planet.
In the planet's darkest hours, the robot, equipped with only a single Spazer, was sent to Earth along with its pilot to keep it out of the reaches of evil. It is the only giant robot in the show allied with the protagonists compared to other series in the Mazinger franchise. Due to numerous similarities in power, techniques, and overall aesthetic composition, the Grendizer can be seen as Planet Fleed's intergalactic counterpart to the Mazinger robots of Earth.