Emperor-Beyond-The-Sea

The Emperor-Over-The-Sea was a mysterious figure in Narnian legend, said to be the father of Aslan, the Great Lion.

At one point, Jadis the White Witch was called the "Emperor's hangman" by Mr Beaver.

Trivia

 * The Emperor-Over-the-Sea is meant to be the father of the Messiah of Narnia and is never seen in any of the books, just briefly mentioned.