The Lord said: Blessed is he through whose seed Messiah shall come; for he saith—I am Messiah, the King of Zion, the Rock of Heaven. The Book of Moses 7:53
I am Alpha and Omega, Christ the Lord; yea, even I am he, the beginning and the end, the Redeemer of the world. ...
I am endless, and the punishment which is given from my hand is endless punishment, for Endless is my name. Doctrine & Covenants 19:1