These spheres were created 20,000 years ago to concentrate the energy of the constellation Scorpius and defeat Plasmani, another alien race, with whom they fought a long space war that was ended right on Earth.

In order to retrieve the missing spheres, the Sazoriani led an alien invasion force of huge mechanical monsters to Earth.

To combat the invaders, Dr. Godo, the last descendant of the alien race Plasman, built the mecha Ginguiser and entrusted the four robots that combined into it (Spin Lancer, Grand Fighter, Bull Gator and the aircraft Air Roin) to four children respectively: Goro Shigoron, Miki Akitsu, Torajiro Haranami and Zanta.

It is the most agile of the three smaller robots and can transform int a UFO park ride.

Throughout the series the Sazriani use chaos magic to revive dead monsters from twenty thousand years ago to acquire the Spheres of Anderes: