What is background spongebob characters?

1. Squidward Tentacles: Squidward is Spongebob's neighbor and co-worker at the Krusty Krab. He is a talented clarinet player and often rejects Spongebob's attempts at friendship.

2. Patrick Star: Patrick is Spongebob's best friend and is often portrayed as being less intelligent than Spongebob. He is known for his love of sleeping and his catchphrase "I'm not a genius."

3. Sandy Cheeks: Sandy is a Texas-themed squirrel who is one of Spongebob's closest friends. She is a scientist and inventor who wears a diving suit to survive in Bikini Bottom's underwater environment.

4. Mr. Krabs: Mr. Krabs is the owner of the Krusty Krab and Spongebob's boss. He is known for his love of money and penny-pinching ways and is often at odds with his archrival, Plankton.

5. Plankton: Plankton is a tiny green microbe who is the owner of the Chum Bucket restaurant. He is always trying to steal the Krabby Patty recipe and take over the Krusty Krab but is constantly foiled by Spongebob and Mr. Krabs.