Wikipedia
Mojacko
is a shōnen manga series created by author duo Fujiko F. Fujio. It was first serialized in Kodansha's Bokurano Weekly in 1969 to 1970. It was then revived twice and published in Shogakukan's CoroCoro Comic from September 1995 to April 1996, with a total of seven volumes and in Labybug Comics from June 1996 to April 1997, with a total of 10 volumes. The manga revolves around Sorao Amano, an ordinary student who befriends an alien and a robot.
The series was later adapted into anime, directed by Tetsuya Endo and produced by Oriental Light and Magic. It premiered on October 3, 1995 and ran until March 31, 1997, with a total of 74 episodes. It was later replaced by Pokémon in its initial timeslot - also an OLM production.