Sontaran

Sontarans were a militaristic, brown-skinned race of clones shorter than but stronger than humans. They were native to tha planet Sontar. They were used as mercenaries by the Galactic Republic, the Sith, and the Galactic Empire. By 1000 BBY, they also controlled a considerable interstellar empire within the Unknown Regions of the galaxy of Galactic Prime.