The Sweet Old Lady is a character who only appears in the episode "Bulletin Board."
She appears to be a light purple fish with light gray hair and light blue glasses. She also appears to have a pearl necklace and pink lipstick. She also has a purple bow in her hair.
She first appears when she is enjoying her meal at the Krusty Krab and knits a review about it on the bulletin board. She then appears at the end of the episode where she gives SpongeBob, Patrick, Squidward, and Mr. Krabs knitting lessons.