Jehovah, The Self-Existent One

And God said to Moses, "I AM WHO I AM"; and He said, "Thus you shall say to the sons of Israel, 'I AM has sent me to you.' " Exodus 3:14

Then the LORD [Jehovah] came down in the cloud and stood there with him and proclaimed His name, the LORD [Jehovah]. And He passed in front of Moses, proclaiming, "The LORD [Jehovah], the LORD [Jehovah], the compassionate and gracious God, slow to anger, abounding in love and faithfulness, maintaining love to thousands, and forgiving wickedness, rebellion and sin... Exodus 34:5-7

Jesus Christ is the same yesterday and today and forever. Hebrews 13:8