https://www.cbr.com/scariest-horror-tv-villains/

Horror and thrillers on television have offered many great stories and even greater villains that remain in the minds of viewers.

Here's the list for those who dont want to click the link

10. Blaine Debeers (iZombie)
9. Christina Braithwhite (Lovecraft Country)
8. Chucky (Chucky)
7. Negan (The Walking Dead)
6. Katherine Pierce (The Vampire Diaries)
5. Marnie Stonebrook (True Blood)
4. Crowley (Supernatural)
3. Crowley (Legion)
2. Lestat de Lioncourt (Interview with the Vampire)
1. Hannibal Lecter (Hannibal)