1. You've never seen him get a tan.
2. He's very polite and always waits for a invitation before walking into a house.
3. He never eats garlic 'cuz he's "afraid of getting a bad breath".
4. There are no windows in his house.
5. His parents have been dead for a couple of centuries.
6. He's afraid of pointy, wooden things.
7. He's always around the graveyard.
8. He drinks this strange, redish drink that you've never tasted.
9. His car windows are all painted black.
10. He has very pointy teeth.