Chain: Pizza Hut
The Meat Lover's Pizza came from the mind of fast-food pioneer Tom Ryan. The brilliance behind this creation is its simplicity. In retrospect, it seems so obvious that a pizza topped with nearly every meat known to mankind would be a smash. Ideas like this are often imitated, but never duplicated. They can try to create a Meat Lover's facsimile, but it's hard to compete against decades of recipe perfection.