SpongeBob SquarePants- A square yellow sponge named SpongeBob SquarePants lives in a pineapple
Patrick Star – Patrick is the ignorant but very humorous best friend of SpongeBob SquarePants. He is portrayed as being an overweight pink starfish, who serves as the village idiot of the underwater city of Bikini Bottom. Patrick gets dumber throughout the series and has been shown to make many ludicrous mistakes.
Squidward Tentacles – a bitter, very unfortunate, desperate, somewhat depressed, curt, arrogant, occasionally selfish, turquoise octopus. He lives in the underwater city of Bikini Bottom in a moai situated between SpongeBob SquarePants’ pineapple house and Patrick Star’s rock
Mr. Krabs- a greedy, red crab who founded the Krusty Krab, where SpongeBob and Squidward work. He lives in an anchor with his daughter Pearl.
Sandy Cheeks- a squirrel with brown fur that wears a diving suit to be underwater with the rest of the crew
Plankton- Plankton is a green planktonic copepod and Mr. Krabs’ enemy
The Blog of SpongeBob 