Giant Robo

Giant Robo (ジャイアントロボ) is a manga by Mitsuteru Yokoyama, in which the huge robot of the same name as a title appears. Tokusatsu, Anime, etc. based on this manga were produced.

Since Toei requested a plot for Tokusatsu TV series from Yokoyama, he wrote this manga. Yokoyama made the setting "Giant Robo follows only a hero" for differentiation with his Tetsujin 28 which everyone can control.

Part 1
The secret society "Big Fire" to scheme to conquer the world is furthering Project GR. The special investigation organization of the United Nations dispatches an agent in Country T to interfere with the plan. Daisaku Kusama, the Japanese tourist, is mistaken for the agent, and is abducted by "BF".

Part 2
Daisaku Kusama comes back alive to Japan barely with GR1. However, "BF" plans the attempt on Daisaku's life to recapture GR1, and they let GR2 and GR3 attack Tokyo.

Part 3
The bomber carrying a hydrogen bomb crashes into Japanese waters. The hydrogen bomb has already been deprived by "BF" though the bomber is recovered at once. "BF" requires that GR1 should be exchanged for a hydrogen bomb.

Characters

 * Daisaku Kusama: The Japanese boy who was going to go to Country T to study.
 * Azuma: The chairman of Japanese branch of the special investigation organization of the United Nations.

Robots

 * GR1: The robot for land battles made by Big Fire.
 * GR2: The robot for naval battles made by Big Fire.
 * GR3: The robot for air battles made by Big Fire.

Adaptations
Adaptaions include:
 * Giant Robo (tokusatsu), a 1967 live-action series based on the manga. Also known as Johnny Sokko and his Flying Robot.
 * Giant Robo: The Day the Earth Stood Still, a 1990's direct-to-video series inspired by the manga.
 * Giant Robo: The Day the Earth Burned, a 2006 manga series from the creator of Giant Robo: The Day the Earth Stood Still.
 * GR: Giant Robo, a 2007 re-imagining of the original manga.

ジャイアントロボ