Last reviewed on 2026-05-02
SpongeBob SquarePants
Fry CookThe enthusiastic sea sponge who lives in a pineapple under the sea. Loves fry cooking, jellyfishing, and his best friend Patrick. His boundless optimism and innocent nature make him both endearing and hilariously naive.
Patrick Star
Best FriendSpongeBob's lovable, dim-witted best friend who lives under a rock. Known for his spectacularly dumb decisions and surprising moments of accidental wisdom. His simple-minded loyalty to SpongeBob is the heart of the show.
Squidward Tentacles
Cashier / NeighborSpongeBob's sour, self-important neighbor and coworker at the Krusty Krab. Fancies himself an artistic genius — a painter and clarinet player — despite lacking real talent. His misery is one of the show's greatest ongoing comedies.
Sandy Cheeks
ScientistA Texas squirrel living underwater in an air dome. Brilliant scientist and inventor, expert in karate. One of SpongeBob's closest friends. Her Texan enthusiasm and scientific curiosity make her a standout character.
Mr. Krabs
Krusty Krab OwnerThe money-obsessed owner of the Krusty Krab restaurant. His love of money frequently leads to ethically questionable decisions. Father of Pearl. His constant rivalry with Plankton over the Krabby Patty secret formula drives many plots.
Plankton
Villain / Chum BucketThe tiny but scheming arch-nemesis of Mr. Krabs. Runs the failing Chum Bucket restaurant and is obsessed with stealing the Krabby Patty secret formula. His grandiose plans always fail spectacularly. Married to Karen, a computer.
Gary the Snail
SpongeBob's PetSpongeBob's pet snail who meows like a cat. Despite appearing simple, Gary is clearly intelligent and is deeply loved by SpongeBob. His rare moments of action reveal surprising capability. The most loyal companion in Bikini Bottom.
Pearl Krabs
Mr. Krabs' DaughterMr. Krabs' whale daughter who is perpetually embarrassed by her cheap father. A typical teenager obsessed with trends, boys, and popularity — in stark contrast to the underwater world around her. Her dynamic with Krabs is pure comedy gold.
Larry the Lobster
LifeguardThe muscular lifeguard and gym enthusiast of Goo Lagoon beach. Represents Bikini Bottom's fitness culture. SpongeBob's occasional workout inspiration. His gym rivalry and beach presence add recurring humor to the series.
Mrs. Puff
Boating TeacherSpongeBob's long-suffering boating school teacher who inflates when scared. Her repeated trauma from SpongeBob's disastrous driving lessons is a running gag. Despite everything, she refuses to give up on him as a student.
Mermaid Man & Barnacle Boy
Retired SuperheroesBikini Bottom's beloved but elderly superhero duo who are now retired at Shady Shoals Rest Home. SpongeBob and Patrick's idols. Their decrepit condition and bickering contrast hilariously with their legendary hero status.
King Neptune
King of the SeaThe vain and powerful ruler of the sea. Deeply insecure about his baldness. Appears in the SpongeBob Movie as the primary antagonist. His divine power and petty vanity create a comedic contrast that drives major plots.
About SpongeBob SquarePants Characters
SpongeBob SquarePants, created by Stephen Hillenburg, premiered on Nickelodeon in 1999 and became one of the most successful animated franchises in history. Set in the underwater city of Bikini Bottom, the show follows SpongeBob and his friends.
With its surreal humor, memorable catchphrases, and lovable cast, SpongeBob has become a global cultural icon spanning multiple movies, spin-offs, and merchandise spanning generations of fans.