She is blue and has white hair, and wears a yellow dress. She wears orange glasses with blue lenses, blue earrings, and pink fluffy slippers.
Role in series
Gramma is among the other customers in the Krusty Krab who listens to SpongeBob's story about how he got his black eye. She is called out by SpongeBob when he begins telling his story and later reminds him about how he said Jack M. Crazyfish cried.
"The Clash of Triton"
She is in the audience of the customers when King Neptune and his family arrive at the Krusty Krab.
She is disgusted by the inside of Patrick's mouth being so close to the camera.
She appears in a knitting circle with Norma, the bakery cashier, and the sweet old lady. When SpongeBob and Patrick interrupt them, the cashier notices some dirt on their faces, and the old ladies spit onto their handkerchiefs and clean SpongeBob and Patrick.