User blog comment:Alwaysmore2hear/Nominate Your Essential Villains for the 2018 FANDOM 100/@comment-34897720-20180917193632

Sean Renard, an intelligent character who does not choose sides, makes him, brutal, charming and intelligent, he was one of the best villains / supporting characters in the Grimm series.

The Thinker, the great antagonist of the fourth season of The Flash, incriminated his enemy, used the intelligence and manipulation to get what he wanted, despite a predictable end.

Michael Myers deserves an indication, even if brief.

The Prophet of Truth (Halo series), a lying politician, causing billions of deaths, responsible for the greatest atrocities in the Halo universe.