Lord Miraak

Miraak is the primary antagonist of Dragonborn, the third official expansion pack for The Elder Scrolls V: Skyrim. He is a mighty dragon priest who ruled over the pople of Solstheim and according to himself, people of Solstheim and Hermaeus Mora, he is the first and only true Dragonborn ever known.

In the Merethic Era, when the dragons dominated humans in Nirn, Miraak lived as a dragon priestin Solstheim. At some point before his death, he turned on his dragon masters by killing them and devouring their souls. Around the same time, he came under the service of Hermaeus Mora, the Daedric Prince of Knowledge and Fate. After his death, he started to live in Apocrypha, Hermaeus Mora's plane of Oblivion.

Trivia

 * His name in draconic language means "Allegiance-Guide".