Gridman is a Hyper Agent from the Hyper World, a parallel world to the "Computer World" a world within all computers. Originally a bodiless life form that chased Khan Digifier to the Computer World.
Originally an incorporeal being, Gridman was given a body designed by Ippei Baba from his own CG concept of a superhero. Before Gridman can leave, the Access Code (アクセスコード Akusesu Kōdo) must be entered to Junk, this password is "GRIDMAN".