In the SpongeBob SquarePants universe, the rivalry between Mr. Krabs, the proprietor of the Krusty Krab, and Sheldon Plankton, owner and operator of the Chum Bucket, is legend. The restaurants are ...

Plankton’s The Chum Bucket, on the other hand, never has clients, so Plankton spends his time planning how to steal the Krabby Patty’s secret formula.

He can get away with it because he has no competition, save for the unappetising Chum Bucket. McDonald’s, a chain that flips real-world hamburgers, can only dream of Mr Krabs’s pricing power.