15. Probably Should've Been Required to Buy Two Tickets Guy
Yup, we're talking about you, Louie Anderson.
14. The Nervous Flyer
Because somehow, clenching the armrest will help if something really does go wrong. And please don't throw up at the first sign of turbulence; it's completely normal... turbulence that is, not ralphing.
13. The Overhead Compartment Hog
They never should've been allowed to board with an expandable rolling suitcase, bulging laptop bag, gym duffel, wardrobe hanger, shopping bags, and fanny packs, but they did anyway. Then they promptly stowed all their earthly possessions in your overhead compartment, just before you made it to your row. Now they'll proceed another twenty rows back to their seats, where the lockers are empty, but don't worry -- they'll be back to visit multiple times, as they are also Constantly Accessing the Overhead Person.