Intern (Oddworld)

Interns are a creatures from the planet Oddworld

Biology
The Interns are fairly humanoid in body plan, two eyes, arms, legs, and all that jazz, though due to their constant humming and whistling, the Vykkers typically sow their mouths shut.

Culture and Society
Interns are pretty much slaves, doing all the dirty work the Vykkers are too busy to do.