"Ultimate Evil" may refer to:
- Big Bad: The cause of all the story's bad events which the hero(es) must resolve.
- Greater-Scope Villain: An entity that's more powerful/influential but less personally directing the conflict than the Big Bad.
- God of Evil: An entity that is the source of or Anthropomorphic Personification of evil in the setting.
- The Man Behind the Man: A bigger villain is revealed to be behind the actions of the original villain.
- Unseen Evil: An evil entity which is never shown to evoke Nothing Is Scarier. Formerly known as "Ultimate Evil".
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