- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Last inhabitant of the planet Sarpeidon. Mr. Atoz and several duplicates of himself oversaw a vast library in the atavachron, a time-portal device that allowed inhabitants of the doomed planet to travel back to the past in order to escape their inevitable doom.