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The elderly shark is a background character in the series. He first appears in the episode "Mermaid Man and Barnacle Boy."
He is an elderly gray shark with many liver spots who wears glasses and light blue checkered pants, with mouse slippers and a cane.
Role in series
"Mermaid Man and Barnacle Boy"
He first appears in the main area of Shady Shoals Rest Home. He is playing checkers with Richard.
He also appears in the angry mob summoned by Mermaid Man and Barnacle Boy that throws SpongeBob and Patrick out.
He is one of the elderly fish in the retirement home to be part of SpongeBob's and Squidward's audience.
He appears in line at the Krusty Krab.
He is one of the many characters seen in the background at the Bikini Bottom Mall.
He picks up his son from the lost and found who was one of the lost kids in the room.
- His incidental number is either 88 or 89, with the other possible incidental being the orange senior.