So you've accepted the logic that all designs have a designer. But now you attempt to debunk the logic by saying, "Surely the Creator has a creator too, right?".
But we've already established that the idea that all designs have a designer, all creations have a creator, is more logical than for something to come into existence, from nothing, with no creator, for no reason, and out of randomness.
I'm only accepting the logic for the sake of the argument, I don't actually accept it. I'm just pointing out that accepting the logic is dissonant because at some point you have to deny the logic.