Giga-Robo is a robot that looks like Chibi-Robo but is much bigger and requires 1,000 times more energy to run. It was made by Citrusoft. They were quite popular until they caused an energy crisis.

Giga-Robo without one leg

The Sandersons' Giga-Robo

Main article: The Sandersons' Giga-Robo

The Sandersons' bought Giga-Robo for unknown reasons. The Sandersons' liked Giga-Robo very much. One day an alien ship was about to crash in the Sanderson's backyard, Giga-Robo caught the ship preventing the crash. In rejoyce the aliens decided to give Giga-Robo two wishes. Giga-Robo's first wish was to "give soul to toys". After realizing that Giga-Robo's energy consumption to too high and nearly bankrupted the Sanderson's, Giga-Robo's second wish was for Giga-Robos around the world "Give body that does not need energy." Giga-Robo then went to the basement where it ran out of power.Many years later when Chibi-Robo came the aliens returned says they they still wanted to thank Giga-Robo with one more wish. After Chibi-Robo Successfully reacvivated Giga-Robo he made his third wish, after once again realizing that the Chibi-Robos would result in another energy crisis Giga-Robo wished for an infinite battery supply, allowing him to function forever with any Chibi-Robo that plugs itself into Giga-Robo. Giga-Robo now lives peacefully with the Sanderson's, Chibi-Robo and all the toys that thank him for bringing them to life.