Darth Thanaton, born Teneb Kel, was a Human male and Dark Lord of the Sith who fought in the Great Galactic War. He was a member of the Dark Council and Head of the Sphere of Ancient Knowledge. He is the main antagonist of the Sith Inquisitor Storyline in Star Wars: The Old Republic as well as the main protagonist villain of the tie-in webcomic Blood of the Empire