SpongeBob SquarePants

SpongeBob SquarePants: The main character of the show, SpongeBob is a naïve and optimistic sea sponge who lives in the underwater city of Bikini Bottom.
Patrick Star: SpongeBob's best friend, Patrick is a lazy and dim-witted starfish who often gets the two of them into trouble.
Sandy Cheeks: SpongeBob's other best friend, Sandy is a squirrel who is new to Bikini Bottom and is often homesick for her home in the Texas.
Mr. Krabs: The owner of the Krusty Krab and SpongeBob's boss, Mr. Krabs is a greedy and stingy crab who is always looking for ways to make a quick buck.
Squidward Tentacles: SpongeBob and Patrick's next-door neighbor and the Krusty Krab's cashier, Squidward is a grumpy and pessimistic octopus who hates his job and life in general.
Plankton: The owner of the Chum Bucket and Mr. Krabs' arch-nemesis, Plankton is a small and evil creature who is always plotting to steal the secret formula for the Krabby Patty.
Mrs. Puff: SpongeBob's driving instructor, Mrs. Puff is a kind and patient pufferfish who is always exasperated by SpongeBob's incompetence.
Gary the Snail: SpongeBob's pet snail, Gary is a wise and intelligent creature who often provides SpongeBob with sage advice.
Pearl Krabs: Mr. Krabs' daughter, Pearl is a teenage whale who is often embarrassed by her father's penny-pinching ways.
Mermaid Man and Barnacle Boy: SpongeBob and Patrick's heroes, Mermaid Man and Barnacle Boy are two retired superheros who now live in a retirement home.