Hermit (The Taking of Planet 5)
From Tardis Wiki, the free Doctor Who reference
The Hermit was a Time Lord who indirectly caused the fall of Mictlan.
Biography
The Hermit manipulated One into unleashing the Fendahl Predator on Mictlan, thus completely destroying the Celestis' link to the universe. The Hermit then asked One to shoot him in the back, allowing him to regenerate into a humanoid form, the Hermit then decided to live on Earth. (EDA: The Taking of Planet 5)