Elohim, El Shaddai, El Elyon, El Olam etc etc.
Don't know why on earth you'd even suggest that God doesn't have a name.
Names which references various characteristics and attributes. Names mean something, try to learn what a name means.
A superficial understanding of anything surfaces on the label and not what is underneath. Therefore consider what a label or name means.
Obviously, you're making a point out of guessing.
A title given to One Person in the Triune God that only His children have the right to call Him by. Invoking the name Father should position us as His children, settling our relationship to Him.
Then you're going to have to disregard Scripture. If so, at least admit that your God is not the God of Scripture. The God of the Scriptures is defined by His characteristics and attributes. Just because someone suggests that Allah is God does not mean Allah is the God of Scripture.