The Krusty Krab is a fictional fast food restaurant in the American animated television series SpongeBob SquarePants. It is famous for its signature burger, the Krabby Patty, the formula to which is a closely guarded trade secret. The restaurant was founded by Eugene H. Krabs (often referred to as Mr. Krabs), who is also the owner and manager. According to The SpongeBob Musical, Mr. Krabs' daughter Pearl will inherit the Krusty Krab when she grows older. SpongeBob SquarePants (who works as the fry cook) and Squidward Tentacles (the cashier) are the only full-time employees. The restaurant is deemed "the finest eating establishment ever established for eating" in Bikini Bottom, and it is constantly challenged by its primary competitor, the Chum Bucket, which is operated by Plankton, a plankton and Karen, a waterproof supercomputer and Plankton's wife. One of the main settings of the series, the Krusty Krab was introduced in the pilot episode, "Help Wanted", where SpongeBob applies for the fry cook job at the restaurant. The Krusty Krab has also been featured in other media, including a theatrical film series, a Broadway musical, video games, and toys. The restaurant has been referenced or parodied throughout popular culture. It has also inspired real-life establishments. Role in SpongeBob SquarePants The Krusty Krab is a prominent fast food restaurant in the underwater city of Bikini Bottom. It is owned and operated by Eugene H. Krabs (Mr. Krabs), who invented its famous Krabby Patty sandwich. Krabs plans to transfer ownership of the restaurant to his daughter, Pearl, when she is older. Squidward Tentacles and SpongeBob SquarePants work at the Krusty Krab as the cashier and fry cook, respectively. The other main characters of the series have also held temporary, single-episode positions at the Krusty Krab. Located across the street from the Krusty Krab is the Chum Bucket, another fast food restaurant owned and operated by Plankton and Karen. Plankton, Mr. Krabs' former best friend, later became his arch-competitor; Plankton's futile attempts at stealing the secret Krabby Patty recipe to replicate the burgers and put the Krusty Krab out of business is a major plot point throughout the series. The Krusty Krab usually attracts customers from Bikini Bottom because of the Krabby Patty's renowned taste and the fact that Plankton's restaurant has a menu consisting of chum (bait consisting of fish parts), which is considered mostly inedible by the other characters. As a result,