High Quality Content by WIKIPEDIA articles! The RX-78 Gundam is a fictional manned robot, introduced in 1979 in Yoshiyuki Tomino`s and Sunrise`s anime series Mobile Suit Gundam. In the series, it is a testbed weapon for the Earth Federation when it falls into the hands of Amuro Ray, the son of its designer in story (Tem Ray), who goes on to pilot it in the Earth Federation`s war against the Principality of Zeon.