Cui's species

Cui's species are a race that work for the Planet Trade Organization, the strongest member of this race is Cui. Two other members appear in the anime, a soldier, and a commander, but many more appear as soldiers for Frieza in video games and one also appears as a scout for Cooler.

Racial traits
Every member of Cui's race look indistingushable from each other, suggesting that they are asexual. They are all purple humanoids with holes in their heads.