Any name our culture, or any culture has for Creator, or Master of all is valid. I'm an Abrahamic Religionist and one of my frustrations is that so called "authorities on religion" put too fine a point on what we actually know; assuming to explain things that none of our "Books" define. This will set some people howling in derision. In the Christian Old Testament, loosely translated by me, it says in Micah 6:8 "What does your God require of you but to do justice, love mercy, and walk humbly with your God (G_d, Allah SWT, Jehovah ...)
As to WHO "he" is, most our documents were written by men who today, I would call misogynists. Why didn't women write or get credit for some of that? It is because the same old men still blame Eve for the Apple incident, and I'd think they would get over that. After all, Aisha (One of Muhammad's wives) did get credit for compiling his valuable notes. To mean that if she had not done that, then Islam would likely not exist. And, I am pretty sure that key elements from Islam and Christianity came from Judaism, but so Jews have no reason to be smug, much of that came from Zoroastrianism, and Yazidism.
A rational view of our Creator does not define Him very much, but I will respect the view that He is who he wants to be. He can be "the Mind of God" expressed in the matter of the Universe, and he can be manifested in the person of the Messiah, Jesus the Christ, and Issa PBUH, the servant of the most high.