List of alter-egos
Throughout the series, the main characters have all acquired several alter-egos, who normally only appear once in SpongeBob media.
SpongeBob SquarePants
Patrick Star
Squidward Tentacles
Eugene H. Krabs
Sheldon J. Plankton
Karen Plankton
- Racing worm - "Frozen Face-Off"
- Ms. Karen - "Salsa Imbecilicus"
- Karen the Cat - "The Legend of Boo-Kini Bottom"
- Karen the Computer Fairy - "Patnocchio" and "The Big Bad Bubble Bass"
- Mr. Krabs - "Girls' Night Out"
- Sunflower Karen - "The Flower Plot"
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Racing Worm
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Ms. Karen
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Karen Cat
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Karen the Computer Fairy
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Mr. Krabs
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Sunflower Karen
Sandy Cheeks
- Goldfish - "Scaredy Pants" and Nickverse
- Miss Appear - "Mermaid Man and Barnacle Boy V" and "Appointment TV"
- Karate Sandy - "Karate Island" and The Cosmic Shake
- Mr. Pavlovi - "The Fish Bowl"
- The Rodent - The SpongeBob Movie: Sponge Out of Water
- Ms. Cheeks - "Salsa Imbecilicus"
- Dr. Franken-Cheeks - "The Legend of Boo-Kini Bottom"
- Mr. Krabs - "Girls' Night Out"
- Super Sandy - "Squirrel Jelly"
- Cave fish - "To Save a Squirrel"
- Captain One-Eyed Sandy - "Camp Crossbones"
- Feral Sandy - "Nut Madness"
- Fish Monster Sandy - "A Fish Called Sandy"
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Goldfish
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Miss Appear (Mermaid Man and Barnacle Boy V)
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Miss Appear (Appointment TV)
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Karate Sandy (Karate Island)
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Karate Sandy (The Cosmic Shake)
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Mr. Pavlovi
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Ms. Cheeks
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Dr. Franken-Cheeks
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Mr. Krabs
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Super Sandy
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Cave fish
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Captain One-Eyed Sandy
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Feral Sandy
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Fish Monster Sandy
Mrs. Puff
- Witch - "Scaredy Pants"
- Mrs. Pop - "Demolition Doofus"
- The Huff - "Demolition Doofus"
- Boat Thief (or "Bote Theef" as spelled by Patrick) - "Patrick-Man!"
- Atomic Flounder - "Appointment TV"
- Mr. Krabs - "Girls' Night Out"
- Incidental 154 - "Girls' Night Out"
- Ghost - SpongeBob Game Station
- Puff the Tuff - "Potato Puff" and "Salty Sponge"
- Driver X - "Lake Crashers"
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Witch (Scaredy Pants)
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Mrs. Pop
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The Huff -
The Boat Thief
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Atomic Flounder
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Mr. Krabs
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Incidental 154
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Ghost
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Puff the Tuff
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Driver X
Pearl Krabs
- Bride of Frankenstein - "Scaredy Pants"
- Witch - The Big Halloween Scare
- Amy - "As Seen on TV"
- The Invisible Boatmobile - "Mermaid Man & Barnacle Boy VI: The Motion Picture"
- Mad Hatter - SpongeBob Game Station
- Princess Pearl - The Cosmic Shake
- Monstro - "Patnocchio"
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Bride of Frankenstein
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Witch
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Amy -
The Invisible Boatmobile
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Mad Hatter
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Monstro
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Princess Pearl
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Gary the Snail
- Squidward Tentacles - "Opposite Day" and "SpongeBob's Place"
- Dirty Bubble - "Appointment TV"
- Fred - The SpongeBob Movie: Sponge on the Run
- King Gary - The Cosmic Shake
- SpongeGary - "Gary's Playhouse"
- Mermaid Snail - "Gary's Playhouse"
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Squidward Tentacles (Opposite Day)
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Squidward Tentacles (SpongeBob's Place)
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Dirty Bubble
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Fred
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King Gary
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SpongeGary
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Mermaid Snail
Patchy the Pirate
- Patchy the Caveman - "Ugh"
- Pagey the Pirate - "Truth or Square"
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Patchy the Caveman
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Pagey the Pirate
Potty the Parrot
- Robot - "Ugh"
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Robot
Mermaid Man
- Ernie - "Mermaid Man Begins"
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Ernie
Barnacle Boy
- Barnacle Man/Kyle - "Mermaid Man and Barnacle Boy V"
- Tim - "Mermaid Man Begins"
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Barnacle Man/Kyle
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Tim
Larry the Lobster
- Mermaid Man - "Appointment TV"
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Mermaid Man
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Bubble Bass
- Captain Counselor - "Are You Afraid of the Dork?"
- The Big Bad Bubble Bass - "The Big Bad Bubble Bass"
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Captain Counselor
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The Big Bad Bubble Bass
Rube Goldfish
- Space Rube - "Patrick's Got a Zoo Loose"
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Space Rube
Squidina Star
- Ouchie - "The Patrick Show Sells Out"
- Werewolf - "Which Witch is Which?"
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Ouchie
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Werewolf
Bunny Star
- Superhero Bunny[1] - "A Root Galoot"
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Superhero Bunny
Dorsal Dan
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Tooth Fairy
Sockeye Sammy
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Patrick Star
Spot
- GarySpot - "Gary's Playhouse"
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GarySpot
PatSlug
- Barnacle Snail - "Gary's Playhouse"
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Barnacle Snail
Goofy Manager
- The Goobfather - "The Goobfather"
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The Goobfather
SpongeBot SteelPants
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Robo-SpongeBob MusclePants
Globulous Maximus
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SpongeGlob
