The Greatest Scam Perpetuated on Mankind

Bottled water.

Followed by the Electoral College.

My Favorite Ducks

Not really in order of preference, but almost. Google and/or Wiki the ones you're not familiar with.

1. Darkwing Duck
2. Howard the Duck
3. Scrooge McDuck
4. Destroyer Duck
5. Count Duckula
6. Daffy Duck/Duck Dodgers
7. Plucky Duck
8. The Mighty Ducks (from the animated series)
9. Duckman
10. Donald Duck
11. Launchpad McQuack
12. Gizmoduck
13. NegaDuck
14. Moby Duck
15. The Aflac Duck
16. Baby Huey
17. Psyduck
18. Huey
19. Dewey
20. Louie

Purposefully left off the list: Mallard Fillmore.

Did I miss any good ones?