1. They will haunt you in your sleep
2. They're the clumsiest creatures on the planet
3. They're really, really greedy
4. They have terrible bathroom etiquette
5. They're actually really violent
6. They have a hard time getting along with your pets
7. They want to imprison all adults
8. They're totally ungrateful
9. They have no regard for the safety of others
10. They worship the devil
11. They practice animal cruelty
12. They have no idea how to eat properly
13. They are heavy drinkers
14. They're always stealing your clothes
15. They're basically cannibals
16. You can't take them anywhere or else they'll humiliate you
17. They have impulse control issues
18. They are always ruining your stuff
19. They get a kick out of scaring the sh*t out of you
20. They'll urinate on you and not even care
21. They have no remorse for the suffering of others