Who created God? Good question. I did some digging and found this article, that reasons using references from a Christian point of view:
https://www.jw.org/en/library/magazines/wp20140801/who-made-...
Is is clear in the Bible that God does not exist in physical form. In the heavens, according to the Bible, he does not even exist in the same form as angels. At one time, Jesus was described in his human form, as "a little lesser than angels". Just a little? I guess it doesn't make sense for Angels to be in God's same plane of existence, then.
I think that 'time' is a part of this universe and that God is an observer that exists outside of it all. This makes sense, because of his ability to accurately tell the future in specific detail. But in the Bible, we see that Angels are restricted and bound by time. God is not. Probably God created time. Therefore to ask 'Who made God?' in his plane of existence, would require us to understand what existence is like without time.
How do you feel about this?