God reveals part of His character. It corresponds to another name, Jehovah (“I am”)

The Name: In the last book of the Bible, Jesus reveals himself as “the Alpha and the Omega, the First and the Last, the Beginning and the End.” Present at the world’s beginning, Jesus will also be present at its end, when he and his work are finally and fully revealed. When you pray to Christ as the Alpha and the Omega, you are praying to the One who is, who was, and who is to come. He is our all-sufficient Lord, who will not fail to complete the good work he has begun in us.