Does not look fat to me at all TBh. Imo the stomach of a dumpy is not an accurate way of checking if they are over weight or not. Its leg size and the flap over its ears are the best way Imo. And to me they look fine.
I'm also gonna say that I think "he" is a she
Not looking at the stomach
And like I said, just my opinion. frog is certainly not obese, but 'she' is not a juvenile, for sure, and doesn't require daily feeding.
The OP asked, just giving my answer.