Incidental 155

Incidental 155 is a fish who works as a lifeguard for Goo Lagoon. He makes several cameo appearances throughout the series, starting in episode "Ripped Pants."

Description
He is a dark teal fish with faded blue lips and light orange fins and limbs. He wears a white tank top/sleeveless shirt and red shorts.

Names

 * In "Free Samples," he is named Frank.

"Ripped Pants"
He rushes to save after the latter had crashed down with a wave and washed up on the beach. He seemed to be legitimately devastated by what he thought was SpongeBob's last breaths. He was not amused to find out that he had faked the fall for his enjoyment.

"Walking Small"
He does not hear Plankton, but only hears a squeaking noise and thinks there is something in his microphone.

"Bubble Buddy"
The beach attendants push his lifeguard stand over.

"Good Neighbors"
He is seen running from Squidward Tentacles' house rampaging through the Bikini Bottom.

"Dunces and Dragons"
He is seen at the Medieval Moments stadium/restaurant watching the jousting tournament. His medieval ancestor also appears, delivering a letter from Planktonamor to King Krabs.

"Enemy In-Law"
He is seen running away from the Chumbot.

"Hocus Pocus"
He is seen watching a movie at the Reef Cinema.

"Best Frenemies"
He is seen drinking the popular Kelp Shake at the Krusty Krab.

"Friend or Foe"
He appears in the group of people who want to know how and  became rivals.

"Roller Cowards"
He is shown getting off the bus to Glove World!.

"Breath of Fresh Squidward"
He is shown to be attending a party at Patrick Star's house due to Squidward being the new employee of the month.

"The Krusty Sponge"
He is shown wanting to ride train outside the Krusty Krab.

"Sing a Song of Patrick"
He is seen during a riot.

"A Flea in Her Dome"
He is seen inside Sandy's treedome after Sandy drowns all her fleas and gets all Bikini Bottom citizens stuck in there at the end.

"The Inmates of Summer"
He is shown in the prison, known as Inferno Island.

"The Two Faces of Squidward"
He is shown to admire Squidward being handsome.

"Back to the Past"
He appears again as a prisoner.

"Giant Squidward"
He appears as part of the angry mob.

"Choir Boys"
He appears in the Bikini Bottom Men's Choir.

"Sand Castles in the Sand"
He is seen as a lifeguard when Patrick, trying to catch a Frisbee thrown by SpongeBob, runs into the lifeguard stand that he was on, causing it to crash to the ground, making him angry at the duo's idiocy. He later shows up and points out furiously points out the mess of debris and destruction left by the fight as the two see they went too far.

"Greasy Buffoons"
He appears in line at the Chum Bucket.

"SpongeBob's Last Stand"
He appears in the crowd.

"The Cent of Money"
He is seen at the Fun Arcade.

"Sponge-Cano!"
He is seen at Recreation Center after Mt. Bikini Bottom erupts.

"Karate Star"
He runs into the Krusty Krab and yells out for help after Patrick becomes a mad chopper and begs SpongeBob not to handle the situation.

"Earworm"
He is seen leaving the Krusty Krab before he pushes the floorboard up causing the customers to fall back and on top of each other and questions why they are running off.

"Whelk Attack"
He appears in the Krusty Krab after a sea whelk eats it.

"Accidents Will Happen"
He asks Mr. Krabs where Squidward is.

"Drive Thru"
He accidentally crashes into Incidental 114 and then they both argue that they just had their things repainted.

"The Hot Shot"
Toward the end of the episode, he is seen at Mrs. Puff's Boating School.

"Sweet and Sour Squid"
He is seen at Mrs. Puff's Boating School.

"The Googly Artiste"
He is running into the Krusty Krab.

"A SquarePants Family Vacation"
He is seen in the Outskirts Outlet Mega Mall.

"Planet of the Jellyfish"
His Jellien clone is seen outside the Krusty Krab.

"Karate Star"
He is shown running to the Krusty Krab.

"Free Samples"
He buys one of Plankton's Free Sample Krabby Patty burgers.

"Home Sweet Rubble"
He questions Dave if he knows how to make a Krabby Patty.

"Glove World R.I.P."
He is shown at Glove World! on The Glove Boat.

"Squiditis"
He is seen at the Krusty Krab when Mr. Krabs has a hard time filling orders.

"Move It or Lose It"
He is seen signing Plankton's petition to Bulldoze the Chum Bucket.

"Hello Bikini Bottom!"
He is seen watching the meteor shower.

"It Came from Goo Lagoon"
He is shown to be surfing.

"Squid Plus One"
He is shown to be waiting in line at the Whale Wave ride.

"The Sewers of Bikini Bottom"
He is seen at Krusty Krab Stadium.

"Two Thumbs Down"
He is seen at the Krusty Krab watching SpongeBob and Patrick fight a thumb war.

"Lame and Fortune"
He is seen at the Krusty Krab.

"Salsa Imbecilicus"
He is seen walking passed Bikini Bottom University.

"Sportz?"
He is shown watching Squidward play against Sandy.

"Grandmum's the Word"
He is in Lily Plankton's sequence.

"High Sea Diving"
He is shown with the other Bikini Bottomites to be climbing up ladder garbage.

"Mustard O' Mine"
He is shown at the Krusty Krab to be complaining about not receiving mustard.

"The Grill is Gone"
He appears morbidly obese with a bunch of trash on top of him. Until SpongeBob vacuums over him, making him a muscular and handsome-looking fish.

"Krusty Koncessionaires"
He is seen at the Low Tides concert.

"SpongeBoard"
He is seen by the lifeguard tower.

"Plankton's Diary: Plankton's Evil Plan"
He is seen at Mrs. Puff's Boating School.