SpongeBob Squarepants: Sandy Cheeks SpongeBob Squarepants That's all about SpongeBob! Saturday, January 22, 2011 Sandy Cheeks Sandy Cheeks  is the third  tritagonist  of the series  SpongeBob SquarePants  and is voiced by Carolyn Lawrence . She is a  squirrel   native  to  Texas , and is often teased for being a land animal