Summary of plot: It chronicles the adventures of the title character and his aquatic friends in the fictional underwater city of Bikini Bottom. SpongeBob SquarePants is an energetic and optimistic yellow sea sponge who lives in a submerged pineapple. SpongeBob has a childlike enthusiasm for life, which carries over to his job as a fry cook at a fast food restaurant called the Krusty Krab. One of his life's greatest goals is to obtain a boat-driving license from Mrs. Puff's Boating School, but he never succeeds . His favorite pastimes include "jellyfishing", which involves catching jellyfish with a net in a manner similar to butterfly catching, and blowing soap bubbles into elaborate shapes. He has a pet sea snail with a pink shell and a blue body named Gary, who meows like a cat. Who follows him as he goes about his daily life.
Squidward Tentacles, SpongeBob's next-door neighbor and co-worker at the Krusty Krab, is an arrogant, ill-tempered octopus who lives in an Easter Island moai. He enjoys playing the clarinet and painting self-portraits but hates his job as a cashier. He also dislikes living between SpongeBob and Patrick because of their childish nature.