The prefix "Mc" has become synonymous with the world's biggest burger chain. It's not just in the name of the company. McDonald's has also launched McNuggets, McCafé, McFlurry, the McPlant ...

Or maybe some onion rings on the patty instead of just onions. And everyone has their favorite place for a burger, too -- from fast food to the local diner, or maybe something fancier at a sit ...