Chum Bucket is Plankton's restaurant which was founded to compete with the restaurant owned by his arch enemy, Mr. Krab. Even though it is located right in front of the Krusty Krab which is always busy with visitors every day, Chum Bucket never has any visitors at all.
Chum, if viewed from an etymological perspective, is food made from fish carcasses, bones and fish blood and is used by fishermen to catch prey in rivers or the sea.
What does Chum Bucket sell?Selling inappropriate food.Actually the word 'Chum Bucket' has its own meaning, namely a container for animal material such as chopped fish meat or its cool name 'Fish bait'. Well, so Plankton indirectly invites and supports cannibalism in Bikini Buttom, where the majority of residents are fish.