This is a question I would really love answering
Discussion
He's outside of the laws of physics as he created them.
He is the initial mover, ultimate sentience, it unfortunately cannot be simply explained to us being of a lower frequency/dimension.
Maybe a time traveler, comes from a different dimension, or universe, who knows but as for what's applicable to our observable universe it appears created as many patterns, and behaviors are repeating, as that of an intelligently designed universe.
Which is God? Yahweh, Allah or Jesus?
I believe that it's a high probability that The Abrahamic Creator is The Being which created The Universe.
“Believe” and “reality” are 2 different things. I believe that it’s a high probability that the Spaghetti monster woke me up this morning, doesnt mean the Spaghetti monster woke me up this morning.
The simple truth is that God doesn't tell Christians about His origin in Scripture, and so we don't have the faintest idea.