Takuya Yamashiro is the Spider-Man of Earth-51778. He was a motocross driver and son of the astrophysicist Dr. Hiroshi Yamashiro. In one of his races, Takuya received telepathic messages from the alien Garia, that lead him to investigate a crashed Ufo, the Marveller.The incident attracted the villain Dr. Monster and his Iron Cross Army. Takuya recieved a transfusion of blood from the alien Garia, and recieved spider-like powers to began a fight against the Iron Cross Army.
In addition to the standard spider-powers he utilizes a variety of gadgets, a flying car, and a spaceship called the Marveler that transforms into a giant robot called Leopardon.
Creation
The character debuted in 1978 in the live-action tokusatsu TV series Spider-Man produced by the Toei Company under license from Marvel Comics.