3. Ravenclaw, and I know saying that will make some people giggle about how "stupid" I am but I'm more popular than those people, so which of us is actually the dumb one? Hint: you.
4. Slytherins. They care about appearances more, I think, and appearances are important and not shallow at all and even if they were shallow, that doesn't make them bad. A lot of them also think being important is important, which it is. That's just common sense but sometimes people get huffy about it anyway.