sauron
One of the main antagonists in Tolkien's Legendarium.
He was a maia, an angelic being in the Legendarium, who was corrupted by Melkor and became a Dark Lord bent on controlling the world of Middle Earth. He is the main antagonist of The Lord of the Rings trilogy and was ultimately defeated after the destruction of the One Ring.
He took on many forms with many names throughout his existence:
- Mairon, his original Maia name
- Annatar, a persona he took on to deceive the Elves into forging the Rings of Power
- Eye of Sauron, a symbol of Sauron