Great villains are fantastic, aren't they?

In many of the greatest tales ever told, the narrative is focused around the hero's journey, as we watch them grow into a better person through the experiences that they have and the conflicts that they face.

Often, the cause of those conflicts stem from a character who opposes the ideas that the heroes holds dear, reflecting them back at the audience as they attempt to tear them apart.

Batman has the Joker, Luke Skywalker has Darth Vader, Ripley has the Xenomorph, The Losers Club has Pennywise… and the whole universe had Thanos.

In your eyes, who deserves to be crowned as the greatest villain of all time?