Cabal

The Cabal are an alien race with an armored rhinoceros like appearance. The Cabal are one of many species with intent to destroy humanity. They are in control of the Dust Palace (also known as the Exclusion Zone) on Mars. Members of the Cabal are known to carry slug throwers or rifle-like weaponry.

Trivia
A cabal is a group of people united in some close design together, usually to promote their private views or interests in a church, state, or other community, often by intrigue. Usually when organizations are labeled "cabal" it is meant with a dark or sinister intent.

List of appearances

 * Destiny