Related Clues:
- Extras in ''2001: A Space Odyssey''
- Pithecologists' study
- Hoodlums
- Inhabitants of a sci-fi film planet
- Hired thugs
- Does a send-up
- Some anthropoids
- Inhabitants of a certain sci-fi planet
- Goons
- Hairy Halloween costumes
- Drs. Zira and Zaius, e.g.
- Pals of Tarzan
- Yerkish users
- Gorillas and such
- ''Planet of the ___''