I'd be inclined to put little sunglasses on the bun; make it look like Cousin It and I were conjoined twins joined at the YOU DON'T WANT TO KNOW.
Or add some googly eyes and antenna that are only visible when the hat is taken off. Or embed a glass eye in the bun, part the hair so that it's just barely peeking out...
Or add some googly eyes and antenna that are only visible when the hat is taken off. Or embed a glass eye in the bun, part the hair so that it's just barely peeking out...