User blog comment:ElishuaJansen/Favorite Character for the Forces of Evil/@comment-2138567-20110508153723

The Witch King undoubtedly. He shattered the kingdom of Arnor and nearly succeded in doing the same with Gondor. Plus, no man can kill him. Also I would say that after he became a Wraith he was the most evil being in Middle Earth (in my opinion even more than Sauron or Morgoth).