— Incidental 93, "Neptune's Spatula"
Incidental 93 is an elderly fish and recurring character who appears in numerous episodes throughout in the series, beginning with "Mermaid Man and Barnacle Boy." She resides at Shady Shoals Rest Home.
- In "Party Pooper Pants," she was named Miss. Shell.
She is lavender and has light bluish-white hair. She usually wears a light blue dress, oval-shaped glasses, black boots, and red lipstick. She can also be seen wearing a hearing aid.
Role in series
"Mermaid Man and Barnacle Boy"
SpongeBob pulls an April Fool's prank on her, when he pulls a spoon out when she asks for a fork at the Krusty Krab.
- Her eyes are seen in the episode "Neptune's Spatula" and she has a male voice when she says "Holy smokes!"
- She plays a major role in the short "Crossing the Street."
- She was SpongeBob's kindergarten teacher, this was revealed in Party Pooper Pants.