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Captain Blue SquarePants

Cast Voice: Garnett Sailor
Occupation: Retired Police Captain
Description: Uncle of SpongeBob, Stanley, and BlackJack. Brother of Harold and Sherm. Son of Grandma and Grandpa SquarePants. Has a hard time hearing what SpongeBob had to say in the epsiode "BlackJack." Unlike SpongeBob, he is a round sea-sponge.