This one, this Jesus Christ is
He is God in flesh. He owns everything, it's all his! Why? Because he made it all. And he reveals the nature of God to us. Want to know what God is like? Watch Jesus! And, while doing all of that he holds everything together. He's the only savior, the only sovereign.
You can ignore him, dismiss him, deny him or claim he never existed, but you will one day deal with him because the one item I didn't list is this, He's also the judge!
One day we all, you and me and every human who has ever lived, will face this Jesus and he will judge us!
In fact, he's even the one who brings the dead back to life for that judgment! Here's what Jesus said,