 The production in "Space Runaway Ideon" became a hot topic in the anime industry, and it came to be called this by comparing the brisk movement of mechanics to the air acrobatics of the circus.The name first appeared in the 1982 November issue of "My Anime", Kazutaka Miyatake of mechanic designer said "Although we call it Itano Circus, ..." in the interview, and the featured article was published in the next month issue.The circus is named after the acrobatic flight of a 3-plane formation by Minoru Genda, a pilot of Imperial Japanese Navy Air Service at a dedication ceremony, which was called "Genda Circus".