Denkou Choujin Gridman (1993)

Denkou Choujin Gridman 1993 / 電光超人グリッドマン 1993 / Denkō Chōjin Guriddoman , Lightning Superman Gridman , Denkou Choujin Gridman , Gridman , Lightning Superhuman Gridman , Gridman the Hyper Agent

Three computer-savvy kids, Naoto, Yuka and Ippei create their own videogame super-hero, but then discover it possessed by an inter-dimensional police officer, Gridman. Pursuing an evil program called Kahn Digifer, he merges with Naoto and fights Kahn Digifer's digitized monsters (created by social misfit Takeshi) in order to prevent the computerized demon from wreaking havoc on the Human World.