# The 16 Greatest Sci-Fi Movie Villains of All Time

> From galaxy-spanning tyrants to cold machine intelligences and shape-shifting horrors, these antagonists defined decades of science fiction on screen. Which one unsettles you most?

*By YPB Team · Published July 13, 2026 · https://youpick.best/ranking/the-16-greatest-sci-fi-movie-villains-of-all-time*

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## Current results (no votes yet)

1. **Darth Vader** — score 1000/1000
   The armored Sith Lord of the Star Wars saga, a tragic fallen hero turned galactic enforcer.
2. **HAL 9000** — score 833/1000
   The calmly murderous sentient computer that turns on its crew in 2001: A Space Odyssey.
3. **The Xenomorph** — score 666/1000
   The acid-blooded parasitic predator that stalks the crew of the Nostromo in Alien.
4. **Ultron** — score 576/1000
   The genocidal artificial intelligence bent on human extinction in Avengers: Age of Ultron.
5. **Agent Smith** — score 500/1000
   The relentless rogue AI program hunting Neo across The Matrix trilogy.
6. **The T-1000** — score 409/1000
   The shape-shifting liquid-metal assassin sent to kill John Connor in Terminator 2.
7. **Khan Noonien Singh** — score 409/1000
   The genetically engineered superhuman bent on revenge in Star Trek II: The Wrath of Khan.
8. **Roy Batty** — score 409/1000
   The poetic, doomed replicant fighting for more life in Blade Runner.
9. **The Thing** — score 409/1000
   The shape-shifting alien organism spreading paranoia in John Carpenter's The Thing.
10. **Thanos** — score 409/1000
   The cosmic warlord seeking the Infinity Stones in Avengers: Infinity War.
11. **General Zod** — score 409/1000
   The Kryptonian warlord seeking to remake Earth in Man of Steel.
12. **The Terminator (T-800)** — score 300/1000
   The unstoppable cyborg assassin of the original 1984 Terminator.
13. **The Predator** — score 300/1000
   The trophy-hunting alien warrior stalking a commando team in Predator.
14. **Emperor Palpatine** — score 300/1000
   The scheming Sith master and Galactic Emperor of the Star Wars saga.
15. **David 8** — score 300/1000
   The coldly curious android engineering horror across Prometheus and Alien: Covenant.
16. **Immortan Joe** — score 167/1000
   The tyrannical warlord ruling the wasteland in Mad Max: Fury Road.

Tags: movies, franchises, sci-fi, villains