The Vortaak are an aggressive humanoid warlike species which developed a spacefaring expanding monarchic civilisation. They are fairly human looking but with softer features, white skin and pitch balck eyes. They tried to conquer Earth at the turn of the 2nd millenium under the rule of Queen Vorticia,by mindcontrolling Earth's Kaiju but failed.
Source: Godzilla universe. Atari and Pipeworks Godzilla game series. In Godzilla: Destroy All Monsters Melee