Mazinger Z, known as Tranzor Z in United States, is a Super Robot manga and anime series created by Nagai Go. The first manga version was serialized in Shueisha Weekly Shōnen Jump from October 1972 to August 1973, and it later continued in Kodansha TV Magazine from October 1973 to September 1974. In December 1972, the anime version premiered on Fuji Television. The TV series ended September 1, 1974. A second manga series was released alongside the TV show, this one drawn by Ota Gosaku, which started and ended almost at the same time of the TV show.