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Marion Ross is a SpongeBob SquarePants cast member. She plays Grandma SquarePants, SpongeBob's paternal grandmother in the episodes "Grandma's Kisses", "BlackJack", "The Abrasive Side", and "Pet Sitter Pat".

Prior to her SpongeBob work, she was well known for her role as Marion Cunningham on the hit American sitcom Happy Days (1974-1984).

Sleepy Time 052
I can turn into a skyscraper!
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