Tiphareth

Correspondences in Fiction
Buffy in Buffy the Vampire Slayer, at the end of series five she dies in dawns place to save the world, and is reborn at the start of series six.

Gandalf in The Lord of the Rings, falls fighting the Balrog, to save the other members of the fellowship, and is reborn as Gandalf the White.

Aslan in the Narnia chronicles, is sacrificed by the witch in place of Edmund, the traitor, and is then reborn.

Spock in Star Trek (The Wrath of Khan) sacrifices himself to save the enterprise and is reborn in the Search for Spock.

Obi-Wan Kenobi in Star Wars, although he's not actually reborn, except as a force ghost.