Harry would never make fun of his friend like that though. He reserves his sass for those who deserve it. Ron feels insecure enough about the robes in the book. That said this scene is hilarious in the movie. But it wouldn't work in the book
Have you noticed that in every show there are at least 4 main characters that represent each house? I dare you to try and pick them out every time you watch a movie or watch a show. Comment who goes with each house and what film the're from below.