Hiroshi Tsukuba (筑波 洋, Tsukuba Hiroshi) is the main protagonist of the 1979 Kamen Rider series. He is a young man who chances upon the activities of Neo Shocker, and is forcibly converted by the evil organization into a cyborg known as the Kamen Rider (仮面ライダー, Kamen Raidā, "Masked Rider"). After teaming up with his predecessors, he is bestowed the title of Skyrider (スカイライダー, Sukairaidā). Hiroshi is a young man who hang glides for fun and studied karate under Ryoichi Miyoshi. Three years prior, h
