See Protagonist Tropes for tropes about its opposite number.
- Antagonist in Mourning: The antagonist mourns the protagonist's death.
- Antagonist Title: The work is named after the antagonist.
- Hero Antagonist: The antagonist is a hero.
- Insecure Protagonist, Arrogant Antagonist: A confident antagonist, contrasted with a more insecure protagonist.
- No Antagonist: The work doesn't have an antagonist.
- Rogue Protagonist: An old protagonist becomes the new antagonist in the sequel.
- Sliding Scale of Antagonist Vileness
- Sympathetic Inspector Antagonist: The antagonist is a sympathetic cop trying to capture the Villain Protagonist.
- Villain Antagonist: An Omnipresent Trope in itself, and is why the Villains index is related to this.