Incidental 9

Incidental 9, also known as Incidental PM18, is a fish that first appeared in "Ripped Pants." He is classified as a "inbetween" type incidental.

Description
He is a light orange fish with light blue stripes and light blue lips and a light blue fin. He has light yellow eyes with black pupils. He also has thin black feet.

Incidental PM18
He is a patty monster with a slightly slanted face, dark purple fins, plum eyelids, and red lips with jagged teeth.

Role in series
Incidental 9 has made more minor and non-speaking appearances than notable ones. He only speaks in a few episodes.

"Hooky"
He, Fred, and Incidental 31 are acting difficult and rushing about getting their.

"No Free Rides"
He gets crushed by a bus by SpongeBob's driving in Mrs. Puff's imagination and says "ow."

"Free Samples"
A bunch of pennies burst out of his pockets after he tries a "new" Krabby Patty. He then uses his pennies to purchase more patties.

"For Here or to Go"
He claims that Plankton's patties taste like carrots and asprin.

"Little Yellow Book"
When Squidward tells the customers that SpongeBob named his spatula "Fifi," Incidental 9 turns to Incidental 41 and tells him that "He named it Fifi."

"Stuck on the Roof"
When SpongeBob builds a second Krusty Krab on the roof of the Krusty Krab, he claims that eating on the roof is now boring since they aren't outside anymore.

"Krabby Patty Creature Feature"
He is turned into a patty monster along with the other Bottomites as Incidental PM18. He feeds a part of himself to Incidental 42 which transforms him into a patty monster looking similar to Incidental PM18.