Encyclopedia SpongeBobia
Encyclopedia SpongeBobia
I don't want to be a burden.
— Incidental 91, "My Pretty Seahorse"

Incidental 91,[1] also known as Incidental 91KID,[2][3] is an incidental character who first appears in the episode "Mermaid Man and Barnacle Boy." He is likely classified as an "elderly" type incidental.


He is a short light blue elderly fish with spikes on his head, orange liver spots, and bushy gray eyebrows. He wears glasses, brown pants, and purple slippers.

Incidental 91KID

He is a short yellow kid fish with three brown spots on the sides of his head and a small light brown dorsal fin. He also wears thicker glasses that show visible pupils and brown pants. In his older appearances, he was originally colored light blue with orange spots like his normal variant.


Role in series

“What’d I miss?”

Incidental 91 has made a few appearances throughout the series due to most elderly incidentals being usually portrayed as Shady Shoals Rest Home residents. He has also made a few speaking and notable roles as well. He also has a "KID" variant that appears as a child in a very few episodes.

Major roles

"My Pretty Seahorse"

He gets devoured whole by Mystery the Seahorse. She later spits him out and he asks what he missed.

"SquidBob TentaclePants"

He has a heart attack after hearing Squidward's bad clarinet playing.

"Friend or Foe"

Incidental 91KID was one of the kids that lift Mr. Krabs into the air while cheering.

"Super Evil Aquatic Villain Team Up is Go!"

He is seen standing near the punch bowl at the Ladies' Choice dance with Incidental 81, Mermaid Man, and Barnacle Boy.

"The Good Krabby Name"

He is part of the 2% of the Bikini Bottom population that has never eaten at the Krusty Krab.

"Lost and Found"

He picks up his son from the Krusty Krab lost and found at the end of the episode.

"Pat the Horse"

Incidental 91KID appears as one of the kids wanting to pet Patrick as a horse.

"Call the Cops"

SpongeBob "shoots" a dirty look at his face. He is later seen as one of the elderly people in the Bikini Bottom Police Department's evidence room.

Major roles in games

The SpongeBob SquarePants Movie (video game)

He is an explorer who tells SpongeBob about the "Crustacean Cavern," which has the "Corridors of Confusion," the "Pool of Perception," and the "Doors of Deception" in it, names which he made up. He has a very high IQ level, as evidenced by his sophisticated way of speaking.


Incidental 91KID taking the appearance of Incidental 91 in "Friend or Foe."


  1. ^ Incidental model sheet 3
  2. ^ File:Ejkg1SeXsAI7-ge.jpg
  3. ^ https://www.youtube.com/watch?v=Mm_7eWwHHqc&t=46
  4. ^ "Sailor Mouth." SpongeBob SquarePants. Nickelodeon. September 21, 2001. Television.
  5. ^ "Missing Identity." SpongeBob SquarePants. Nickelodeon. January 19, 2004. Television.
  6. ^ Plankton Rising
  7. ^ SpongeBob feat. MC Fitti - Kommt Doch Rein (May 24, 2013).