How Did Jesus Introduce Himself?

I am the living bread which came down from heaven: if any man eat of this bread, he shall live for ever: and the bread that I will give is my flesh, which I will give for the life of the world. (John 6:51 KJV)

Then Jesus again spoke to them, saying, "I am the Light of the world; he who follows Me will not walk in the darkness, but will have the Light of life." (John 8:12 NASB)

I am the door. If anyone enters by me, he will be saved and will go in and out and find pasture. (John 10:9 ESV)

I am the good shepherd. The good shepherd lays down his life for the sheep. (John 10:11 ESV, HCSB)

Jesus said unto her, I am the resurrection, and the life: he that believeth in me, though he were dead, yet shall he live: And whosoever liveth and believeth in me shall never die. Believest thou this? (John 11:25-26 KJV)

Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me. (John 14:6 KJV)

I am the true vine, and my Father is the vinedresser. (John 15:1 ESV)

I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty. (Revelation 1:8 KJV)

When I saw him, I fell at his feet as though dead. But he laid his right hand on me, saying, "Fear not, I am the first and the last, and the living one. I died, and behold I am alive forevermore, and I have the keys of Death and Hades. (Revelation 1:17-18 ESV)

Then He said to me, "It is done. I am the Alpha and the Omega, the beginning and the end. I will give to the one who thirsts from the spring of the water of life without cost. (Revelation 21:6 NASB)

I am Alpha and Omega, the beginning and the end, the first and the last. (Revelation 22:13 KJV)

"I, Jesus, have sent my angel to give you this testimony for the churches. I am the Root and the Offspring of David, and the bright Morning Star." (Revelation 22:16 NIV)