Great Mazinger (1974/75) Go Nagai Original animation cel of Great Mazinger Paper stuck to the cel Hand-drawn by an official Toei animator who worked on the Go Nagai series It’s made during the production and for the production. Very rare and incredible artwork See photos. Great Mazinger (グレートマジンガー, Gurēto Majingā) is a Japanese manga comic book and anime television series by manga artist Go Nagai. The story is a sequel and direct continuation of Mazinger Z series after its initial success. The series was aired on Japanese television in 1974, immediately following the end of the first Mazinger series. It ran for 56 episodes. #japanweek