Kiyotaka) was the eldest son of Professor Gill. The blueprint of the
Giant Devil robot's body was written on his back in invisible ink. He
was hunted by the Shadow organization.
episodes 15-31, 33, 34, 37, 38, 41, 42, 46
protected by Ichiro/Kikaida 01, and Misao,
his former tutor. Hiroshi has a younger brother, Akira.