There’s a subtlety in Orange Car with Stripes where the main character is a fat bearded know-it-all but he meets up with an interstellar alien that happens to look just like a parrot but really does know it all.
One hostile reviewer complained that the parrot was ‘unnecessary’. Really? In my book a parrot is always necessary!
(The parrot above is a GIMP made from a photo of a parrot I met at Bean Hollow beach the other day, layered with a genuine New York City brick wall, the view from our AirBnB apartment last month)