Haha
I see the pictures now
Based on the pictures, your little dude doesn't have any visual morphs present.
He's not a hypo, he is not a leatherback, not a zero or witblits, he doesn't appear to be trans, and he most likely isn't a dunner.
Typically the dunners have a bit different of a pattern, and as they get bigger you can really tell with the scale differences, but I own a couple dunners and im about 100% sure yours isn't.
Plus, we haven't seen any dunners come out of petsmart, at least yet.
So honestly I think yours is just a standard dragon, no morphs. I'm not sure how petsmart decides whether or not a dragon is "fancy" but it's really not a term used by any reputable breeders.
All that being said, he still is super cute! And looks very happy to be out of petsmart and with you!
-Brandon