Alien Species


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General Information
Homeworld Unknown (located in another galaxy)
Diet Carnivorous
Sapience Level Sapient
Behind the Scenes
Universe The War Against the Rull
Created by A. E. van Vogt

The Rulls are a combative extragalactic sapient species which has been in war against Humans for over a thousand years. Their appearance is similar to a white worm and they seem to be able to fly without wings. They're also capable of shapeshifting.


  • "Cooperate, or Else!", by A. E. van Vogt (1942) (First appearance)
  • "The Second Solution", by A. E. van Vogt (1942)
  • "The Rull", by A. E. van Vogt (1948)
  • The War Against the Rull, by A. E. van Vogt (1959)
  • "The First Rull", by A. E. van Vogt (1978)

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