This article only contains a list of characters in the "SpongeBob's Runaway Roadtrip" series. For a list of characters in the original "SpongeBob", visit the the character list at SpongeBob SquarePants Wiki.
This article contains a list of characters in the "SpongeBob's Runaway Roadtrip" television series.
- SpongeBob SquarePants: A yellow sea sponge who acts as the main protagonist.
- Patrick Star: A pink sea star who acts as the deuteragonist.
- Sandy Cheeks: A brown squirrel from above water who acts as the tritagonist.
- Squidward Tentacles: A green octopus who acts as the second tritagonist.
- Mr. Krabs: A red crab who acts as the third tritagonist.
- Sheldon Plankton: A green protozoan who acts as the main antagonist.
- Gary the Snail: A pink-shelled sea snail who acts as another main character. SpongeBob's pet.
- Mrs. Poppy Puff: A long-spined porcupinefish who acts as another main character. SpongeBob's teacher.
- Pearl Krabs: A sperm whale who acts as another main character. Mr. Krabs' teenage daughter.
- Karen Plankton: Sheldon Plankton's computer wife who acts as another main character.
- Larry the Lobster: A muscular red lobster who enjoys weight-lifting.
- Claire SquarePants: SpongeBob's caring, patient mother.
- Harold SquarePants: SpongeBob's father who wears glasses and has a gray mustache.
- Lou: A fish who works at the Bikini Bottom Bakery.
- Giant fruit fly: An unrealistically large fruit fly who befriends SpongeBob and Patrick in an episode.
- Travel agency employee: A fish who works at the travel agency of Bikini Bottom.
- Jimmy Carter: A live-action human who plays as a worker at Nickelodeon Studios.
- Bill: A worker at the Bikini Bottom Mint.
- Robbers: A pair of outlaws in Bikini Bottom who once tried to steal money from the Bikini Bottom Mint.
- Police fish: A pair of unnamed police officers who appear at the Bikini Bottom Mint.
- Background characters: Fish who appear in the backgrounds of several episodes.