What He Is Now: Nowadays, Peter Griffin is basically Bugs Bunny.
It’s a far cry from the Peter Griffin we first met in the series, but his increased distance from reality has helped set Peter apart from other TV dads while also embodying Family Guy’s kitchen sink approach to comedy.
Per Family Guy canon, Peter meets the medical and legal requirements to be classified as mentally challenged, and he pretty much has a Deadpool-esque ability to do anything that he wants without fear of physical harm or repercussion, and he’s often fully aware of his existence as a TV character.