User blog comment:Prime ShockWaveTX/Your Top 10 Most Vile Villains from Villains Wiki/@comment-1762629-20150115095510

Oh, boy. This is based on personal experience, so I've probably missed a few good ones.

1. Emperor Palpatine  

2. The Joker/Red Skull

3. Morgoth

4. Dimentio

5. The Evil Entity

6. Bryagh

7. Owlman

8. Josh (Megan Is Missing)

9. Angelus

10. Thrax (Osmosis Jones)

Honorable Mentions

1. Sir August De Wynter

2. Red (Creepypasta)

3. The Beldam

4. Frieza

5. The Tails Doll