Vilgaxia is the home of the Chimera Sui Generis species.

Universe Ben 10 Universe
Galaxy Milky Way Galaxy
Class Terrestrial
Moons 2 unnamed moons
Atmosphere Breathable
Primary Terrain Oceans, Mountains, Swamps, Deserts, Cities, Rainforests
Notable Species Chimera Sui Generis
Squid Monster

The planet includes large city with a large, fortress-like palace who serves as Vilgax's house. Though Chimera Sui Generis are said as a warrior species, the planet is shown to include civilians, Vilgaxia has two moons. Squid Monster are kept as pets by the Chimera Sui Generis.

Zs'Skayr tried to conquer the planet by possessing its inhabitants.