The Villain …
Title …
Stat Block …
Character
Trait …
Motive …
Method …
In Play
Monologue …
Boss Mechanic …
In Monster's Clothing
Appears As …
Power Source …
Run It As …
Or Roll a Premade
Premade Villain …
Villain
Build an antagonist: type, objective, methods, weakness — plus titles, monologues, boss mechanics, an SRD statline, and a monster-in-human-skin thread that reskins a monster's whole stat block onto a person.