Incidental 28 is a fish who makes more cameos than regular appearances, beginning with the episode "Hall Monitor."
He is a light yellow fish with red-orange eyes and black pupils. He has orange-salmon-colored lips and wears purple-blue shorts.
Role in series
He appears as a student in Mrs. Puff's Boating School.
He tells Sandy that SpongeBob was not in the poison sea urchin cove but she tells him to look again.
He is seen with Scooter and Incidental 37B at the store, "communicating" with Sandy, in reality making fun of her for being a squirrel.
- His only speaking roles are in "Prehibernation Week" and "Squirrel Jokes."