Ak-Jeff God wasn't created. God isn't subject to the laws of time that we're subject to. Similar to how a person (hypothetically) living on the moon isn't subject to the laws of physics on planet earth.
You claim to KNOW things it is impossible for anyone to know (the state and laws of physics pre big-bang, the nature of unobserved fantasy beings), and based on that ungrounded information you proceed to engage in special pleading for your own case (no no.. that same logic doesn't apply to god. Gods aren't subject to laws, reason, or evidence. Gods are special!).
It's simply impossible.
Then by your own logic, it is impossible for god to exist. Special pleading is for people who CAN NOT make a logical case without cheating. If you want to go play in the realm of make-believe.. go for it. If you want to play in the realm of logic, put your big boy pants on and face the glaring logical hole in your argument. You're not going to convince anyone to put their "stupid hats" on and accecpt "Side A is required to provide a logical argument, but Side B excused themselves from it. That's amazing! I'm going to pick side B!!"
Something had to either come from nothing, or have always existed - or there would be nothing. So clearly, it DID happen.
As regards to what that "something" most likely is - The universe can be demonstrated to exist, and is the simpler of the two explainations. The same cannot be said for god.