"ガミラス (Gamilas)" a.k.a. "Gamilon".
A humanoid blue skinned militaristic alien race. Also the name of their planet of origin and their galactic empire, which encompases several different planets and other alien races.
The Gamilas are the main antagonists in the Uchuu Senkan Yamato and the Uchuu Senkan Yamato 2199 Science fiction anime series.