Villains- Period 1

Iago has been described by many as one of literature's greatest villains.  He is manipulative, smart and remorseless.  Describe one or two villains you consider fascinating from either books, movies, shows, games or history.

Why do these villains fascinate you?  What did they do to make themselves a villain?  What happened to them?

Post with four sentences or more and two to reply.  USE CORRECT GRAMMAR!