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In addition to the ten main characters, SpongeBob SquarePants has a large amount of background characters. They are identified by the artists and animators with individual model numbers. These model numbers correspond to when the characters were designed in production. The following is a list of background characters, sorted by their model numbers.

"Squeaky Boots," the second episode made for season 1 in production order (code #102), was the first produced episode to feature incidental characters. As a result, the first row of incidentals (incidentals 1-11) were all first designed for "Squeaky Boots."

Some characters, such as Incidental 35 and Incidental 70, were removed from the model sheets, mainly between the second and fourth seasons. Like most animated series, many SpongeBob episodes are worked on at the same time, leading to several incidentals with later numbers appearing in episodes before others with earlier numbers.

Sportz 130

A group of basic background characters.

Regular Incidentals

Number Image Debut (production order)
Incidental 1 (Fred)

Fred (Incidental 1)

"Squeaky Boots" (episode 102)
Incidental 2 Incidental -2 "Squeaky Boots" (episode 102)
Incidental 3 Incidental 3 "Squeaky Boots" (episode 102)
Incidental 4 Incidental 4 "Squeaky Boots" (episode 102)
Incidental 5 Incidental 5 "Squeaky Boots" (episode 102)
Incidental 6 Incidental 6 "Squeaky Boots" (episode 102)
Incidental 7 Incidental 7 "Squeaky Boots" (episode 102)
Incidental 8 Incidental 8 "Squeaky Boots" (episode 102)
Incidental 9 Incidental 9 "Squeaky Boots" (episode 102)
Incidental 10 Incidental 10 "Squeaky Boots" (episode 102)
Incidental 11 Incidental Character Models 1~3 "Squeaky Boots" (episode 102)
Incidental 12 Incidental Character Models 1~4 "Ripped Pants" (episode 106)
Incidental 13 Incidental Character Models 1~5 "Ripped Pants" (episode 106)
Incidental 14 Incidental Character Models 1~6 "Ripped Pants" (episode 106)
Incidental 15 Incidental Character Models 1~7 "Ripped Pants" (episode 106)
Incidental 16 Incidental Character Models 1~8 "Ripped Pants" (episode 106)
Incidental 17 Incidental Character Models 1~8.1 "Ripped Pants" (episode 106)
Incidental 18 Incidental Character Models 1~9 "Squeaky Boots" (episode 102)
Incidental 19 Unknown
Incidental 20 Incidental Character Models 1~10 "Ripped Pants" (episode 106)
Incidental 21 Incidental Character Models 1~11 "Ripped Pants" (episode 106)
Incidental 22 Incidental Character Models 1~12 "Ripped Pants" (episode 106)
Incidental 23 Incidental Character Models 1~12.1 "Ripped Pants" (episode 106)
Incidental 24 Incidental Character Models 1~13.2 "Ripped Pants" (episode 106)
Incidental 25 Incidental 25 Character Model "Boating School" (episode 104)
Incidental 26 Incidental 26 Character Model "Boating School" (episode 104)
Incidental 27 Incidental 27 Character Models "Boating School" (episode 104)
Incidental 28 Incidental 28 Character Model "Hall Monitor" (episode 108)
Incidental 29 Incidental 29 Character Model "Ripped Pants" (episode 106)
Incidental 30 Incidental 30 Character Model "Ripped Pants" (episode 106)
Incidental 30A Incidental 30A Character Model "Culture Shock" (episode 122)
Incidental 31 Incidental 31 Character Model "Ripped Pants" (episode 106)
Incidental 32 Incidental 32 Character Model "Ripped Pants" (episode 106)
Incidental 33 Purple 33 "Sandy's Rocket" (episode 110)
Incidental 34 Far-distance fish "Ripped Pants" (episode 106)
Incidental 35 Inc35 "Ripped Pants" (episode 106)
Incidental 36 Incidental 36 Character Model "Ripped Pants" (episode 106)
Incidental 37A Incidental 37A Character Model "Ripped Pants" (episode 106)
Incidental 37B Incidental 37B Character Model "Ripped Pants" (episode 106)
Incidental 38 (Scooter) Incidental 38 Character Model "Ripped Pants" (episode 106)
Incidental 39 Incidental 39 Character Model "Ripped Pants" (episode 106)
Incidental 40 Incidental 40 Character Model "Ripped Pants" (episode 106)
Incidental 41 ​​​​​Incidental 41 Character Model "Ripped Pants" (episode 106)
Incidental 42 Incidental 42 Character Model "Ripped Pants" (episode 106)
Incidentals 43-44 Unknown
Incidental 45 Incidental 45 Character Model "Ripped Pants"(episode 106)
Incidental 46 Incidental 46 Character Model "Ripped Pants" (episode 106)
Incidental 47 Incidental 47 Character Model "Ripped Pants" (episode 106)
Incidental 48 Incidental 48 Character Model "Ripped Pants" (episode 106)
Incidental 49 Incidental 49 Character Model "Ripped Pants" (episode 106)
Incidental 49A Incidental 49A Character Model "Opposite Day" (episode 112)
Incidentals 050-059 Unknown
Incidental 60 Incidental 60 Character Model "Pickles" (episode 111)
Incidental 61 Unnamed crab "Pickles" (episode 111)
Incidental 62 Inc 62 "Pickles" (episode 111)
Incidental 63 Incidental 63 Character Model "Pickles" (episode 111)
Incidental 64 Incidental 64 Character Model "Pickles" (episode 111)
Incidental 65 Incidental 65 Character Model "Pickles" (episode 111)
Incidental 66 Catfish customer "Valentine's Day" (episode 128)
Incidental 67 Incidental 67 Character Model "Pickles" (episode 111)
Incidental 68 Incidental 68 Character Model "Pickles" (episode 111)
Incidental 69 Incidental 69 Character Model "Pickles" (episode 111)
Incidental 70 Inc 70 "Pickles" (episode 111)
Incidental 71 Inc 71 "Pickles" (episode 111)
Incidental 72 Unknown
Incidental 73 Incidental 73 Character Model "Pickles" (episode 111)
Incidentals 74-079 Unknown
Incidental 80 Incidental 80 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 81 Incidental 81 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 82 Incidental 82 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 83 (Old Man Walker) Incidental 83 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 84 Incidental 84 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 85 Incidental 85 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 86 Incidental 86 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 87 Incidental 87 Character Models "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 088 or 089

(Elderly shark)

Gray elder shark "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 088 or 089

(Orange senior)

Orange senior "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 90 Incidental 90 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 91 Incidental 91 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 92 Incidental 92 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 93 Incidental 93 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 94 Incidental 94 Character Model "Mermaid Man and Barnacle Boy" (episode 119)
Incidental 95, 99, or 101

(Patrick's guy)

Patrick's guy

"Valentine's Day" (episode 128)
Incidental 96

Pink blouse old

"Valentine's Day" (episode 128)
Incidental 97 Spotted nose fish full body "Valentine's Day" (episode 128)
Incidental 98

Heart t-shirt fish

"Valentine's Day" (episode 128)
Incidental 95, 99, or 101

(Tall purple fish)

Tall purple fish

"Valentine's Day" (episode 128)
Incidental 100

Valentine's Day 149~2

"Valentine's Day" (episode 128)
Incidental 95, 99, or 101

(Squiggly underside fish)

Squiggly underside fish

"Valentine's Day" (episode 128)
Incidental 102 Incidental 102 Character Model "Valentine's Day" (episode 128)
Incidental 103 Incidental 103 Character Model "Valentine's Day" (episode 128)
Incidental 104 Incidental 104 Character Model "Valentine's Day" (episode 128)
Incidental 105 Incidental 105 Character Model "Valentine's Day" (episode 128)
Incidental 106 Incidental 106 Character Model "Valentine's Day" (episode 128)
Incidental 107 Incidental 107 Character Model "Valentine's Day" (episode 128)
Incidental 108 Incidental 108 Character Model "Valentine's Day" (episode 128)
Incidental 109 Incidental 109 "Valentine's Day" (episode 128)
Incidentals 110-113 Unknown
Incidental 114 Incidental 114 Character Model "F.U.N." (episode 121)
Incidental 115 Incidental 115 Character Model "F.U.N." (episode 121)
Incidental 116 Incidental 116 "I Was a Teenage Gary" (episode 117)
Incidental 117 Unknown
Incidental 118 Incidental 118 Character Model "Hall Monitor" (episode 108)
Incidental 119 Incidental 119 Character Model "SB-129" (episode 129)
Incidentals 120-149 Unknown
Incidental 150 Incidental 150 Character Model "Bossy Boots" (episode 148)
Incidental 151 Incidental 151 Character Model "I'm Your Biggest Fanatic" (episode 159)
Incidental 152 Incidental 152 Character Model "Patty Hype" (episode 152)
Incidental 153 Incidental 153 Character Model "The Smoking Peanut" (episode 163)
Incidental 154 Incidental 154 Character Model "Something Smells" (episode 143)
Incidental 155 Incidental 155 Character Model "Ripped Pants" (episode 106)
Incidental 156 (Sandals) Incidental 156 Character Model "Patty Hype" (episode 152)
Incidental 157 Incidental 157 Character Model "F.U.N." (episode 121)
Incidental 158 Incidental 158 Character Model "Prehibernation Week" (episode 151)
Incidental 159 Unknown
Incidental 160 Fish brat "The Incredible Shrinking Sponge"
Incidental 161 Unknown
Incidental 162 Incidental 162 "The Incredible Shrinking Sponge"
Incidentals 163-168 Unknown
Incidental 169 Incidental 169 "Pat the Horse"
Incidental 170 Unknown
Incidental 171 Incidental 171 "The Grill is Gone"
Incidentals 172-185 Unknown
Incidental 186 Inc 186 "Treats!"
Incidentals 187-199 Unknown
Incidental 200 I200 "Rock Bottom" (episode 138)
Incidental 201 I201 "Rock Bottom" (episode 138)
Incidental 202 I202 "Rock Bottom" (episode 138)
Incidental 203 Unknown
Incidental 204 Screenshot 2020-03-23 at 2.20.28 AM "Rock Bottom" (episode 138)
Incidental 205 Unknown
Incidental 206 I206 "Rock Bottom" (episode 138)
Incidentals 207-210 Unknown
Incidental 211 Glow fish "Rock Bottom" (episode 138)
Incidental 212 I212 "Rock Bottom" (episode 138)
Incidental 213 Unknown
Incidental 214 I214 "Rock Bottom" (episode 138)
Incidentals 215-219 Unknown
Incidental 220 I220 "Rock Bottom" (episode 138)
Incidental 221 I221 "Rock Bottom" (episode 138)
Incidental 222 I222 "Rock Bottom" (episode 138)

"F__" Incidentals

The F incidentals (likely standing for Fancy) are a group of fancy fish designed for "Culture Shock." Some of these fish are actually regular incidentals but with minor edits and fancy suits (Fred, Incidental 2, Incidental 15, Incidental 23, and Incidental 63).

Number Image Debut
Incidental F1

Fancy Inc1

"Culture Shock" (episode 122)
Incidental F2

Culture Shock 078a~2

"Culture Shock" (episode 122)
Incidental F3 Unknown
Incidental F4

MSO green

"Culture Shock" (episode 122)
Incidental F5 Unknown
Incidental F6

Kenney's owner green

"Culture Shock"

(episode 122)

Incidentals F7-8

Unknown

Incidental F9

IncF9 (Green)

"Culture Shock"

(episode 122)

Incidentals F10-13

Unknown

Incidental F14

Fancy man gray

"Culture Shock"

(episode 122)

Incidentals F15-16

Unknown

Incidental F17 Fancy fish "Culture Shock"

(episode 122)

Incidental F18 Incidental F18 "Culture Shock"

(episode 122)

"Teen" Incidentals

These Incidentals first appear in "The Chaperone".

Number Image Debut
Teens 1-3

Unknown

Teen 4

Brown Teen 4

"The Chaperone" (episode 113)
Teen 5

Inc T4

"The Chaperone" (episode 113)
Teen 6

Unknown

Teen 7

Incidental T7 (Olive green)

"The Chaperone" (episode 113)
Teen 8

Incidental T8 (Gray)

"The Chaperone"

(episode 113)

Teen 9

Teen 9

"The Chaperone"

(episode 113)

Teen 10 Teen 10 "The Chaperone"

(episode 113)

Teen 11

Punch Fish

"The Chaperone"

(episode 113)

Teen 12

Whale of a Birthday 020~2

"The Chaperone"

(episode 113)

"Pirate" Incidentals

A crew made out of four pirates first appear in "Dying for Pie." The third pirate is the captain. An additional group of pirate Incidentals were added to this group for "Grandpappy the Pirate", those are edits of pre-existing character models with new pirate outfits.

Number Image Debut
Pirate 1

Pirate 1

"Dying for Pie" (episode 147)
Pirate 2

Pirate 2

"Dying for Pie" (episode 147)
Pirate 3

Pirate 3

"Dying for Pie" (episode 147)
Pirate 4

Pirate 4

"Dying for Pie" (episode 147)
Pirates 5-7 Unknown
Pirate 8

Huge guy (Pirate)

"The Fry Cook Games" (episode 171)
Pirate 9

Orange construction worker (Pirate)

"No Weenies Allowed" episode 200)
Pirates 10-11 Unknown
Pirate 12

Purple tough guy (Pirate)

"Plankton's Army" episode 211)

"G__" Incidentals

These nerdy looking Incidentals first appear in "I'm Your Biggest Fanatic." The "G" in their names likely stand for Geek.

Number Image Debut
Incidental G1

Unknown

Incidental G2

Incidental G2

"I'm Your Biggest Fanatic" (episode 159)
Incidental G3

Incidental G3

"I'm Your Biggest Fanatic" (episode 159)
Incidental G4

Unknown

Incidental G5

Mermaid Man & Barnacle Boy VI The Motion Picture 200~2

"I'm Your Biggest Fanatic" (episode 159)
Incidental G6

G6

"I'm Your Biggest Fanatic" (episode 159)
Incidental G7 G7 "I'm Your Biggest Fanatic" (episode 159)
Incidental G8

Unknown

Incidental G9

Mermaid Man vs. SpongeBob 176~2

"I'm Your Biggest Fanatic" (episode 159)
Incidentals G10-11 Unknown
Incidental G12

Inspectorcarl

"I'm Your Biggest Fanatic" (episode 159)
Incidental G13

IncG13

"I'm Your Biggest Fanatic" (episode 159)
Incidental G14

Unknown

Incidental G15

G15

"I'm Your Biggest Fanatic" (episode 159)
Incidental G16-18

Unknown

Incidental G19

What Ever Happened to SpongeBob 335~2

"I'm Your Biggest Fanatic" (episode 159)

"K__" Incidentals

These incidentals first appear in the "Friend or Foe" flashbacks, along with other regular incidentals reduced to the size of a child. The "K" very likely stands for kid. This is also the only incidental sheet where every member in it is known.

Number Image Debut
Incidental K1 Purple billy bully "Friend or Foe" (episode 501)
Incidental K2

IncK2

"Friend or Foe" (episode 501)
Incidental K3

Tom as a kid

"Friend or Foe"(episode 501)

Incidental K4

IncK4

"Friend or Foe" (episode 501)
Incidental K5

Anchovy child

"Friend or Foe" (episode 501)
Incidental K6

IncK6

"Friend or Foe" (episode 501)

"Viking" Incidentals

Main article: "Viking" Incidentals
Number Image Debut
Viking 1 Viking 01 "Dear Vikings" (episode 631)
Viking 2 Viking 02 "Dear Vikings" (episode 631)
Viking 3 Viking 03 "Dear Vikings" (episode 631)
Viking 4

Unknown

Viking 5 Viking 05 "Dear Vikings" (episode 631)
Viking 6 Viking 06 "Dear Vikings" (episode 631)
Viking 7

Unknown

Viking 8 Viking 08 "Dear Vikings" (episode 631)
Viking 9 Viking 09 "Dear Vikings" (episode 631)
Vikings 10-11

Unknown

Viking 12 Viking 12 "Dear Vikings" (episode 631)

"A__" Incidentals

These Incidentals have only appeared in The SpongeBob Movie: Sponge Out of Water and the "Thank Gosh It's Monday" short. The "A" likely stands for Apocalyptic.

Number

Image Debut
Incidental A1 Incidental A1 The SpongeBob Movie: Sponge Out of Water
Incidental A2 The SpongeBob Movie Sponge Out of Water 260~3 The SpongeBob Movie: Sponge Out of Water
Incidental A3 The SpongeBob Movie Sponge Out of Water 819~2 The SpongeBob Movie: Sponge Out of Water
Incidental A4 The SpongeBob Movie Sponge Out of Water 232~2 The SpongeBob Movie: Sponge Out of Water
Incidental A5 20200620 041258 The SpongeBob Movie: Sponge Out of Water
Incidental A6 The SpongeBob Movie Sponge Out of Water 574~4 The SpongeBob Movie: Sponge Out of Water
Incidental A7 20200620 041222 The SpongeBob Movie: Sponge Out of Water
Incidental A8 The SpongeBob Movie Sponge Out of Water 235~3 The SpongeBob Movie: Sponge Out of Water
Incidental A9 Incidental A9 The SpongeBob Movie: Sponge Out of Water
Incidental A10 The SpongeBob Movie Sponge Out of Water 235~5 The SpongeBob Movie: Sponge Out of Water
Incidental A11 The SpongeBob Movie Sponge Out of Water 260~6 The SpongeBob Movie: Sponge Out of Water
Incidental A12 20200620 041012 The SpongeBob Movie: Sponge Out of Water
Incidental A13 Incidental A13 The SpongeBob Movie: Sponge Out of Water
Incidental A14 20200620 042309 The SpongeBob Movie: Sponge Out of Water
Incidental A15 20200620 041428 The SpongeBob Movie: Sponge Out of Water
Incidental A16 The SpongeBob Movie Sponge Out of Water 260~5 The SpongeBob Movie: Sponge Out of Water
Incidental A17 20200620 043209 The SpongeBob Movie: Sponge Out of Water
Incidental A18 The SpongeBob Movie Sponge Out of Water 574~2 The SpongeBob Movie: Sponge Out of Water
Incidental A19 The SpongeBob Movie Sponge Out of Water 260~7 The SpongeBob Movie: Sponge Out of Water
Incidental A20 20200620 041100 The SpongeBob Movie: Sponge Out of Water
Incidental A21 Incidental A21 The SpongeBob Movie: Sponge Out of Water
Incidental A22 Incidental A22 The SpongeBob Movie: Sponge Out of Water
Incidental A23 Incidental A11 The SpongeBob Movie: Sponge Out of Water
Incidental A24 The SpongeBob Movie Sponge Out of Water 255~2 The SpongeBob Movie: Sponge Out of Water
Incidental A25 The SpongeBob Movie Sponge Out of Water 820~2 The SpongeBob Movie: Sponge Out of Water
Incidental A26 Incidental A26 The SpongeBob Movie: Sponge Out of Water
Incidental A27 20200620 042214 The SpongeBob Movie: Sponge Out of Water
Incidental A28 The SpongeBob Movie Sponge Out of Water 260~8 The SpongeBob Movie: Sponge Out of Water
Incidental A29 The SpongeBob Movie Sponge Out of Water 260~4 The SpongeBob Movie: Sponge Out of Water
Incidental A30 The SpongeBob Movie Sponge Out of Water 820~3 The SpongeBob Movie: Sponge Out of Water
Incidental A31 20200620 042144 The SpongeBob Movie: Sponge Out of Water
Incidental A32 The SpongeBob Movie Sponge Out of Water 561~3 The SpongeBob Movie: Sponge Out of Water
Incidental A33 Incidental A33 The SpongeBob Movie: Sponge Out of Water
Incidental A34 The SpongeBob Movie Sponge Out of Water 241~4 The SpongeBob Movie: Sponge Out of Water
Incidental A35 The SpongeBob Movie Sponge Out of Water 241~3 The SpongeBob Movie: Sponge Out of Water
Incidental A36 The SpongeBob Movie Sponge Out of Water 235~4 The SpongeBob Movie: Sponge Out of Water
Incidental A37 Incidental A37 The SpongeBob Movie: Sponge Out of Water
Incidental A38 Incidental A38 The SpongeBob Movie: Sponge Out of Water
Incidental A39 Incidental A39 The SpongeBob Movie: Sponge Out of Water
Incidental A40 Incidental A40 The SpongeBob Movie: Sponge Out of Water
Incidental A41 20200620 042045 The SpongeBob Movie: Sponge Out of Water

Unnumbered Apocalyptic Incidentals

An unnumbered duo of Apocalyptic Incidentals are neither regular Incidentals nor "A__" Incidentals.

Number Image Debut
Poison Fish Poison Fish The SpongeBob Movie: Sponge Out of Water
Visual Aids Physical Aids The SpongeBob Movie: Sponge Out of Water

"BM__" Incidentals

In the rough Storyboards for "Stuck on the Roof" and SpongeBob's Place," three fish with the labels of "BM__" (which likley stand for Businessmen) appered with models that are recycled from older ones. The first apperences of these Incidentals was likley "The Executive Treatment."

Number Image Debut (production order)
Incidentals BM1-36

Unknown

Incidental BM37 Incidental BM37 "Ripped Pants" (episode 106)
Incidentals BM38-40

Unknown

Incidental BM41

BM 41

"Ripped Pants" (episode 106)
Incidentals BM42-49

Unknown

Incidental BM50

Executive white shirt

"Can You Spare a Dime" (episode 190)

"D__" Incidentals

Number Image Debut
Incidental D1

IncD-1

"Code Yellow"
Incidental D2

IncD-2

"Code Yellow"
Incidental D3

IncD-3

"Code Yellow"
Incidental D4

IncD-4

"Code Yellow"
Incidental D5

Unknown

Incidental D6

Doctor 6

"Code Yellow"
Incidental D7

IncD-7

"Code Yellow"
Incidental D8

Unknown

Incidental D9

IncD-9

"Code Yellow"
Incidental D10

IncD-10

"Code Yellow"
Incidental D11

IncD-11

"Code Yellow"
Incidental D12

IncD-12

"Code Yellow"
Incidental D13 Fred's Doctor in Code Yellow "Code Yellow"
Incidental D14

IncD-14

"Code Yellow"
Incidental D15

IncD-15

Incidental D16

IncD-16

"Code Yellow"

"M__" Incidentals

A total of five incidentals whose model numbers start with "M" (possibly standing for musician) appear in "Krusty Katering." They are recycled from other models, just recolored and dressed up with suits. Only three numbers are known: M2, M3, and M4.

Number Image Debut
Brown eel

(Incidental M1 or M5)

Musician eel

"Your Shoe's Untied" (episode 142)
Incidental M2

Musician 2

"Code Yellow"
Incidental M3

Musician 3

"The Krusty Sponge" (episode 519)
Incidental M4

Musician 4

"Code Yellow"
Yellow musician

(Incidental M1 or M5)

Lip service lookalike

"Code Yellow"

"NF__" Incidentals

A total of 7 well dressed fish marked with a "NF" (possibly standing for "New Fancy") made their debut in "Krusty Katering."

Number Image Debut
Incidental NF1

IncNF1

"Krusty Katering"
Incidental NF2

IncNF2

"Krusty Katering"
Incidental NF3

IncNF3

"Krusty Katering"
Incidental NF4

IncNF4

"Krusty Katering"
Incidental NF5

IncNF5

"Krusty Katering"
Incidental NF6

IncNF6

"Krusty Katering"
Incidental NF7

IncNF7

"Krusty Katering"

"PM__" Incidentals

You think i'm special! "You think I'm special!"

This article is in need of one or more images. Therefore, you can improve Encyclopedia SpongeBobia by uploading one. Please remember to remove this template once the images for this article have been uploaded.

A total of at least 16 Krabby Patty monster Incidentals were created for "Krabby Patty Creature Feature". Some of these are regular Incidentals turned into Krabby Patty monsters.
Number Image Debut

This list is incomplete, but you can help Encyclopedia SpongeBobia by expanding it.

"C__" Incidentals

A total of at least 22 clown incidentals were designed for "Don't Feed the Clowns".

Number Image Debut
Incidentals C1-C8

Unknown

Incidental C9 Incidental C9 "Don't Feed the Clowns"
Incidentals C10-C11

Unknown

Incidental C12 Incidental C12 "Don't Feed the Clowns"
Incidental C13A

Unknown

Incidental C13B Incidental C13B "Don't Feed the Clowns"
Incidental C14 Incidental C14 "Don't Feed the Clowns"
Incidental C15 Incidental C15 "Don't Feed the Clowns"
Incidental C16 Incidental C16 "Don't Feed the Clowns"
Incidental C17 Incidental C17 "Don't Feed the Clowns"
Incidentals C18-C19

Unknown

Incidental C20 Incidental C20 "Don't Feed the Clowns"
Incidental C21 Incidental C21 "Don't Feed the Clowns"
Incidental C22 Incidental C22 "Don't Feed the Clowns"

"BB__" Incidentals

These fish children were designed for "Old Man Patrick" for the scene when SpongeBob and the elders go to the arcade. They later reappear in "Insecurity Guards" and "The Goofy Newbie."

Number Image Debut
Incidental BB1 BB1 "Old Man Patrick"
Incidental BB2

Unknown

Incidental BB3 Old Man Patrick 143~3 "Old Man Patrick"
Incidental BB4 Old Man Patrick 143~2 "Old Man Patrick"
Incidental BB5

Unknown

Incidental BB6 Old Man Patrick 143~4 "Old Man Patrick"
Incidentals BB7-9

Unknown

Incidental BB10 Old Man Patrick 145~2 "Old Man Patrick"
Incidental BB11 BB11 "Old Man Patrick"
Incidental BB12

Unknown

Incidental BB13 The Goofy Newbie 146~5 "Old Man Patrick"
Incidental BB14 Old Man Patrick 147~4 "Old Man Patrick"
Incidental BB15 Old Man Patrick 147~2 "Old Man Patrick"
Incidental BB16

Unknown

Incidental BB17 BB17 "Old Man Patrick"
Incidental BB18 Old Man Patrick 145~5 "Old Man Patrick"
Incidental BB19 BB19 "Old Man Patrick"
Incidental BB20 BB20 "Old Man Patrick"
Incidental BB21

Unknown

Incidental BB22 The Goofy Newbie 012~2 "Old Man Patrick"
Incidental BB23 Old Man Patrick 182~2 "Old Man Patrick"

"HB__" Incidentals

These hillbilly characters (which is likley what the "HB" stands for) were designed for the Wagon Wheel hoedown sequence in "Karen's Virus". One of them is based on an older model.[1]

Number Image Debut
Incidental HB1 Incidental HB1 "Karen's Virus"
Incidental HB2 Incidental HB2 "Karen's Virus"
Incidental HB3 Incidental HB3 "Karen's Virus"
Incidental HB4 Incidental HB4 "Karen's Virus"
Incidental HB5 Incidental HB5 "Karen's Virus"
Incidental HB6 Incidental HB6 "Karen's Virus"

"EHS__" Incidentals

These fish make up the members of the Empty Head Society in "The Nitwitting." Four of them are recycled from older models, and one of those recycled models has a different labeling to the rest.

Number Image Debut
Incidental EHS1

IncEHS1

"The Nitwitting"
Incidental EHS2

IncEHS2

"The Nitwitting"
Incidental EHS3

IncEHS3

"The Nitwitting"
Incidental EHS4

IncEHS4

"The Nitwitting"
Incidental EHS5

IncEHS5

"Walking Small "(episode 133)
Incidental EHS6

IncEHS6

"The Nitwitting"
Incidental EHS7

IncEHS7

"Ripped Pants" (episode 106)
Incidental EHS8

IncEHS8

"The Nitwitting"
Incidental EHS9

IncEHS9

"The Nitwitting"
Incidental EHS10

IncEHS10

"Mutiny on the Krusty"
Incidental EHS11

IncEHM11

"The Nitwitting"
Incidental EHS12

IncEHS12

"The Nitwitting"
Incidental EHS13

IncEHS13

"The Nitwitting"
Incidental EHS14

IncEHS14

"The Nitwitting"
Incidental EHS15 Incidental EHS15 "The Nitwitting"
Incidental EHS16 Incidental EHS16 "The Nitwitting"
Incidental 001-ish 001-ish "Squeaky Boots" (episode 102)

"CM__" Incidentals

These fish appear in "Mind the Gap" Some of them are recycled from older models, and the "CM" might stand for "Club Member" or "Cool Music."

Number Image Debut
Incidental CM1

Mind the Gap 063~2

"Mind the Gap"
Incidental CM2

Mind the Gap 060~3

"Mind the Gap"
Incidental CM3

Mind the Gap 184~3

"Mind the Gap"
Incidental CM4

Mind the Gap 075~3

"Mind the Gap"
Incidental CM5

Unknown

Incidental CM6

Mind the Gap 075~2

"Mind the Gap"
Incidental CM7

Unknown

Incidental CM8

Mind the Gap 072~2

"Mind the Gap"
Incidental CM9

Mind the Gap 072~3

"Mind the Gap"
Incidental CM10

Mind the Gap 061~3

"Mind the Gap"
Incidental CM11

Mind the Gap 063~3

"Mind the Gap"
Incidental CM12

Mind the Gap 078~2

"The Chaperone" (episode 113)
Incidental CM13

Mind the Gap 149~2

"Sing a Song of Patrick" (episode 520)
Incidental CM14

Mind the Gap 184~2

"Pickles" (episode 111)
Incidental CM15

Mind the Gap 113~2

"Krab Borg" (episode 197)
Incidental CM16

Mind the Gap 063~4

"Culture Shock" (episode 122)
Incidental CM17

Mind the Gap 061~4

"Mind the Gap"
Incidental CM18

Unknown

Incidental CM19

Mind the Gap 060~4

"The Sponge Who Could Fly" (episode 217)
Incidental CM20

Incidental CM20

"The Chaperone" (episode 113)
Incidental CM21

Mind the Gap 061~2

"The Chaperone" (episode 113)
Incidental CM22

Mind the Gap 191~2

"Goodbye, Krabby Patty?"
Incidental CM23

Mind the Gap 061~5

"Sing a Song of Patrick" (episode 520)
Incidental CM24

Mind the Gap 060~2

"Sing a Song of Patrick" (episode 520)

"RL__" Incidentals

At least ten "RL" incidentals were created for SpongeBob in RandomLand. Only one model number is known.

Number Image Debut
Incidentals RL1-9

Unknown

Incidental RL10

SpongeBob in RandomLand 085~2

"SpongeBob in RandomLand"

Trivia

  • Most background characters have two models: one for their daytime color palette and another for their nighttime color palette. For example, Fred's palettes are labeled "001-DAY" and "001-NIGHT."
  • According to Jay Lender, several of the original incidental characters were removed from the model sheets during the second season after their models were lost in the shuffle during revisions.[2] As a result, many episodes featuring them in storyboards (such as "Christmas Who?" and "Mermaid Man and Barnacle Boy III") had them replaced with different character models.
    • The numbers for these characters are known from storyboards. Specifically, numbers 33, 35, 61, 62, 70, and 71 are known from the storyboards of "Christmas Who?."
    • It's been proven possible that if a removed incidental has its model retrieved it could return to the show and stay. For example, Incidentals 95-101 returned by "The Inmates of Summer" and Incidental 33 returned by "Patrick's Tantrum". Why the official model sheets haven't updated since then is unknown.
  • Fred, Scooter, Sandals, and Old Man Walker are currently the only incidental characters with official confirmed names by the SpongeBob crew. Other characters have been given various names throughout the show, but these are limited to single instances and do not carry over to other episodes.
  • The models for Incidentals 30 and 30A are redraws of the anchovies from "Help Wanted." Unlike the anchovies in "Help Wanted," these incidentals are solid blue and brown, and the brown anchovies have blue shirts instead of white ones.
  • In many episodes, duplicate background character fish can be seen in crowds.

Gallery

Each incidental has a separate character model. At various points in the show's production, the models have been compiled onto model sheets, separate from the Main Model Pack also used by the animators. The earliest known sheet for the regular incidentals divided them by their appearances. For example, tall rounded fish were grouped together under a category called "hotdogs."

Before the production of The SpongeBob Movie: Sponge Out of Water, another compilation sheet was made, this time listing the characters in order of number. The sheet has gaps for the numbers of removed incidentals, who are incorrectly labeled as "non-existant" (sic). Vincent Waller uploaded the pages of this sheet to his Twitter account in February 2018, and Adam Paloian uploaded photographed sheets to his Twitter account in April 2019.

The character models for the Rock Bottomites were in the files of the PS1 version of SuperSponge. Adam Paloian uploaded to his Twitter Incidental F4's character model on August 1, 2017, two hillbilly sheets in November 2018, and three Empty Head Society sheets in January 2019.

Videos

50 Best SpongeBob Background Characters 🐟🐠 Greatest Lines & Side Fish!

50 Best SpongeBob Background Characters 🐟🐠 Greatest Lines & Side Fish!

References

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