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I just work here.
~ Karen in The Spongebob Movie: Sponge out of Water.

Karen Plankton is the secondary antagonist of SpongeBob SquarePants who is occasionally portrayed as an anti-heroine. Karen's system is built into most of Plankton's inventions. She has two main forms: a big monitor on the wall of the Chum Bucket and a portable wheeled computer. Along with her role as co-owner of the Chum Bucket, she works as the busser, chef, and cashier. She rarely has to fulfill these jobs due to the restaurant's unpopularity.

She is a major antagonist in The SpongeBob SquarePants Movie, a major character in The SpongeBob Movie: Sponge out of Water and a major antagonist turned into supporting character in The SpongeBob Movie: Sponge on the Run.

She is voiced by Jill Talley.

Biography

Karen is an A.I. in the form of Mark II Surplus UNIVAC with 256 gigabytes of RAM built by Plankton himself out of a calculator, a mass of wires, and a security system. The two dated while the former was still in school. It was the day of their third date when Mr. Krabs and Plankton became enemies. When he and Karen got married, Plankton had a head full of hair and a bushy mustache. A photograph of them at their wedding can be seen in Komputer Overload.

The further depth of Karen's early life is debatable, since she has two A.I. parents. This was first hinted when Plankton told her "Your parents must have been like, part computer or something.". In Single Cell Anniversary, Karen's AI mother is revealed to be a software program named EMILP. Her father is an outmoded computer named Fredrick, who has so far only been seen in an issue of Nickelodeon Magazine.

She appears in The SpongeBob SquarePants Movie as a major antagonist, successfully helping Plankton to conquer Bikini Bottom for a while by brainwashing the citizens who were eating in the Chum Bucket. In the final battle between SpongeBob and Plankton, she presumably redeemed herself as she ignores Plankton, who shouts "Karen, do something!" Instead of helping him, she surfs through the crowd of freed townspeople.

After the events of the movie, Plankton escapes from prison and comes back to the Chum Bucket that now has only Karen as an owner. She kicks him away for failing to rule Bikini Bottom. However, after Plankton got arrested again, in the episode Jailbreak (who is also set after the events of the first movie), Karen forgives Plankton and goes to visit him in prison bringing him a cake.

Plankton asks her if she put something in the cake to help him to escape but she says she didn't. Plankton gets released from prison for his good behavior, but he is arrested again right after for trying to steal the Krabby Patty Secret Formula. When Plankton is released again, he and Karen reunite and he comes back to be an owner of the Chum Bucket together with her again.

Description

Karen does not have a heart, as stated in a conversation between her and SpongeBob in "Friend Or Foe." However, this does not prevent Karen from expressing emotions or feeling true love for Plankton. She does not often show it, but Karen cares for Plankton more than anything else; almost everything she does revolves around helping him in some way to do. According to Plankton, Karen likes to take long walks on the beach, and talk about their dreams of conquering all of Bikini Bottom.

Heroic Deeds

  • In Frozen Face-Off, she, along with SpongeBob, Patrick, Squidward, Mr. Krabs, Gary, and Sandy, try and stop Plankton from his evil plans and she also zaps Plankton for his betrayal against her after leaving her to be almost frozen for good.
  • In Karen 2.0, she defeats Karen 2.
  • In Salsa Imbecilicus, she, along with Sandy, want the Bikini Bottomites to get normal in Bikini Bottom University for learning Bikini Bottomites to get normal again.
  • In King Plankton, she looks after SpongeBob's sea chimps while he is at work.
  • In Patnocchio, Pearl has a stomachache and wishes it would go away. Karen shows up to give her "Gush and Flush" which makes Pearl feel better again.
  • In Karen's Baby, Karen cares for Chip (her and Plankton's new baby).
  • In The Ghost of Plankton, she holds a funeral for Plankton (who is thought to have passed away), and she comforts SpongeBob when he is crying.

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Live-Action Films
King Kong | Jack Prescott | Dwan | Popeye | Olive Oyl | Indiana Jones | Marion Ravenwood | Sallah | Marcus Brody | Willie Scott | Short Round | Axel Foley | Eliot Ness | Jimmy Malone | George Stone | Oscar Wallace | Frank Drebin | Henry Jones Sr. | Mike Donnelly | Steve Dodds | Governor Al Donnelly | Sgt. Drake Sabitch | Jack Deebs | Frank Harris | Lonette | Forrest Gump | Jenny Curran | Lieutenant Dan | Bubba Blue | William Wallace | Princess Isabella | Sean Archer | Ed | Dexter Reed | Monique | John H. Miller | Truman Burbank | Ichabod Crane | Dewey Finn | Summer Hathaway | School of Rock | Joseph Sullivan | SpongeBob SquarePants | Patrick Star | Mr. Krabs | Sandy Cheeks | Mrs. Puff | Pearl Krabs | King Neptune | Princess Mindy | David Hasselhoff | Squidward Tentacles | Gary | Baudelaire Orphans (Violet Baudelaire, Klaus Baudelaire, Sunny Baudelaire) | Uncle Monty | Ray Ferrier | Rachel Ferrier | Ignacio/Nacho | Wilbur | Charlotte A. Cavatica | Fern Arable | Templeton | Erin Gruwell | Jared Grace | Simon Grace | Mallory Grace | Thimbletack | Hogsqueal | Byron the Griffin | Arthur Spiderwick | Aunt Lucinda | Mutt Williams | Harold Oxley | George McHale | Bruce | Dave | Mark | Heather | Aang | Iroh | Appa | Cade Yeager | Tessa Yeager | Leonardo | Raphael | Michelangelo | Donatello | Splinter | April O'Neil | Sheldon J. Plankton | Karen Plankton | Bubbles | Casey Jones | Tripp Coley | Creech | Dora | Diego | Boots | Map | Sonic the Hedgehog | Tom Wachowski | Maddie Wachowski | Longclaw | Wade Whipple | Crazy Carl | Sage | Otto | Tiffany Haddock | Clifford the Big Red Dog | Emily Elizabeth Howard | Casey Howard | Owen Yu | Mr. Bridwell | Sidney Prescott | Miles "Tails" Prower | Knuckles the Echidna

Animated Television
Ren Höek | Stimpy | George Liquor | Tommy Pickles | Chuckie Finster | Phil DeVille | Lil DeVille | Susie Carmichael | Angelica Pickles | Dil Pickles | Didi Pickles | Stu Pickles | Lou Pickles | Spike | Charlotte Pickles | Drew Pickles | Chas Finster | Beavis & Butt-Head | Rocko Rama | Spunky | Heffer Wolfe | Filburt Shellbach | Bev Bighead | Duckman | Cornfed | Ickis | Oblina | Krumm | Arnold Shortman | Helga Pataki | Gerald Johanssen | Phoebe Heyerdahl | Grandpa Phil | Grandma Gertie | Stinky Peterson | Harold Berman | Rhonda Wellington Lloyd | Sid | Eugene Horowitz | Nadine | Olga Pataki | Daggett Beaver | Norbert Beaver | Stan Marsh | Kyle Broflovski | Eric Cartman | Kenny McCormick | CatDog | Eliza Thornberry | Darwin | Donnie Thornberry | Debbie Thornberry | Nigel Thornberry | Marianne Thornberry | SpongeBob SquarePants | Patrick Star | Mr. Krabs | Sandy Cheeks | Mrs. Puff | Pearl Krabs | Squidward Tentacles | Gary

See Also
A Quiet Place Heroes | Amblin Entertainment Heroes | Avatar Heroes | Avengers Heroes | Blue's Clues Heroes | Barnyard Heroes | Beverly Hills Cop Heroes | Black Sheep Heroes | Brain Donors Heroes | Clone High Heroes | Clifford the Big Red Dog Heroes | Crank Yankers Heroes | Danny Phantom Heroes | Dimension Films Heroes | Dora the Explorer Heroes | Drawn Together Heroes | DreamWorks Heroes | G.I. Joe Heroes | Grease Heroes | Henry Danger Heroes | Indiana Jones Heroes | Jerry Bruckheimer Heroes | Jimmy Neutron Heroes | King Kong Heroes | Kung Fu Panda Heroes | Legendary Entertainment Heroes | Lemony Snicket Heroes | Little Bear Heroes | Lucasfilm Heroes | Madagascar Heroes | Marvel Cinematic Universe Heroes | Miramax Heroes | Mission Impossible Heroes | Nelvana Heroes | Nickelodeon Heroes | Nickelodeon Movies Heroes | PBS Kids Heroes | PAW Patrol Heroes | Rango Heroes | Rugrats Heroes | Scream Heroes | Shrek Heroes | Sonic the Hedgehog Heroes | South Park Heroes | SpongeBob SquarePants Heroes | Star Trek Heroes | The Fairly OddParents Heroes | The Godfather Heroes | The Loud House and The Casagrandes Heroes | The Untouchables Heroes | TMNT Heroes | Transformers Heroes | Transformers Cinematic Universe Heroes | T.U.F.F. Puppy Heroes

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Current Programming

SpongeBob SquarePants
SpongeBob | Patrick | Squidward | Mr. Krabs | Plankton | Karen | Sandy | Mrs. Puff | Pearl | Gary | Mermaid Man & Barnacle Boy | Larry the Lobster

The Loud House
Lincoln | Lori | Leni | Luna | Luan | Lynn Jr. | Lucy | Lana | Lola | Lisa | Lily | Lynn Loud Sr. | Rita Loud | Charles | Cliff | Geo | Walt | Clyde McBride | Rusty Spokes | Zach Gurdle | Liam Hunnicutt | Stella Zhau | Angus | Casey | Bud Grouse

Rise of the Teenage Mutant Ninja Turtles
Leonardo | Donatello | Raphael | Michelangelo | Splinter | April O'Neil

The Casagrandes
Ronnie Anne | Bobby | Sid Chang | Maria Santiago | Rosa Casagrande | Hector Casagrande | Carlos Casagrande | Frida Puga Casagrande | Carlota Casagrande | Carlos Jr. Casagrande | Carlino Casagrande | Carlitos Casagrande | Sergio | Lalo | Nikki

LEGO Jurassic World: Legend of Isla Nublar
Owen Grady | Claire Dearing | Simon Masrani | Hudson Harper | Dr. Henry Wu | Dr. Allison Miles | Sedrick Masrani | Red | Blue | Charlie | Echo | Delta

It's Pony
Annie Bramley | Pony

The Patrick Star Show
Squidina Star | Cecil Star | Bunny Star | GrandPat Star

Middlemost Post
Parker J. Cloud | Angus Shackleton | Russell | Lily | Ms. Pam

Former Programming

Doug
Doug | Porkchop | Skeeter | Patty

Rugrats
Tommy | Chuckie | Phil and Lil | Susie | Angelica | Dil | Kimi | Didi | Stu | Grandpa Lou | Spike | Chas | Kira | Charlotte | Drew | Betty | Howard | Reptar | Fifi | Taffy | Ranger Margaret | Samantha

The Ren & Stimpy Show
Ren Höek | Stimpy | Sven Hoek | Powdered Toast Man

Rocko's Modern Life
Rocko Rama | Heffer Wolfe | Filburt Shellbach | Spunky | Bev Bighead | Rachel Bighead | Sheila | Chuck and Leon | Alicia | Claudette | Dr. Paula Hutchison | Buddy Gecko

Aaahh!!! Real Monsters
Ickis | Oblina | Krumm

Hey Arnold!
Arnold | Helga | Gerald | Phoebe | Grandpa Phil | Grandma Gertie | Stinky | Harold | Lila | Rhonda | Sid | Brainy | Eugene | Nadine | Sheena | Olga | Miles | Stella | Abner

The Angry Beavers
Daggett Beaver | Norbert Beaver

CatDog
CatDog | Winslow T. Oddfellow | Lola Caricola | CatDog's Parents | Roachie | Mervis | Dunglap | Randolph Grant | Mr. Sunshine | Murray "The Mule" Marconi | Mean Bob | Fred the Flying Fish | Gorilla | Dunlapia | Mr. Sunspock | Mervania | Randolphoran | Lolita 7 | Tallula Headbank

Oh Yeah! Cartoons
Slap T. Pooch | Jelly | Teddy | Art | Cat & Milk-Man | Jamal the Funny Frog | Thatta Boy | Zio | Hobart | Okra | Kenny | Edward and Emo | Peter Patrick and Persian Puss | Max | Tutu the Superina | Blotto | Dotto | Dot and Randy | Bene and Beck Crimson | Olly and Frank | Kitty the Hapless Cat | Super Santa | Hubbykins & Sweetypie | Little Guy and Big Guy | Urp | Trixie | Freddy Seymore | Obie | Jake Slade | Herb | Thom Turkey | Terry & Chris | Dan Danger | Debbie | Sick and Tired Skippy Spankerton | Elise | Cameron | The Semprini Triplet

The Wild Thornberrys
Eliza | Darwin | Donnie | Debbie | Nigel | Marianne

Rocket Power
Otto | Reggie | Sam | Twister

As Told by Ginger
Ginger | Courtney

Invader Zim
GIR | Dib | Gaz | Professor Membrane | Skoodge | Clembrane

The Fairly OddParents
Timmy Turner | Wanda | Cosmo | Poof | Sparky | Chloe Carmichael | Jorgen Von Strangle | Mr. Turner | Mrs. Turner | Tootie | Chester McBadbat | AJ | Tooth Fairy | Trixie Tang | Veronica | The Crimson Chin | Alternate Crimson Chins | Crash Nebula | Catman | Turbo Thunder | Flappy Bob | Mark Chang | Mama Cosma

ChalkZone
Rudy Tabootie | Penny Sanchez | Snap

The Adventures of Jimmy Neutron: Boy Genius
Jimmy Neutron | Cindy Vortex | Carl Wheezer | Sheen Estevez | Goddard | Libby Folfax | Judy Neutron | Hugh Neutron | Granny Neutron | Zix, Travoltron and Tee | Nick Dean | Betty Quinlan | Ultra Lord | Jet Fusion

My Life as a Teenage Robot
Jenny Wakeman | Nora Wakeman | Brad Carbunkle | Tuck Carbunkle | Sheldon Lee | Vega

Danny Phantom
Danny Phantom | Sam Manson | Tucker Foley | Jazz Fenton | Jack Fenton | Maddie Fenton | Dani Phantom | Clockwork | Frostbite | Pandora | Wulf | Cujo | Sidney Poindexter | Princess Dorathea | Valerie Gray | The Wise Old Crab

Avatar: The Last Airbender
Aang | Katara | Sokka | Zuko | Iroh | Toph | Haru

Catscratch
Gordon Quid | Mr. Blik | Waffle

The X's
Tucker X | Trudy X | Tuesday X | Truman X | Rex X | Home Base

El Tigre
El Tigre | White Pantera | Frida Suárez | Puma Loco

Wayside
Todd | Dana | Myron | Maurecia | Mrs. Jewls | Louis

Tak and the Power of Juju
Tak | Jibolba | Moon Juju | Flora | Jeera

Back at the Barnyard
Otis | Pip | Pig | Daisy | Abby | Bessy | Freddy | Duke | Ben

The Mighty B!
Bessie Higgenbottom

The Penguins of Madagascar
Skipper | Kowalski | Rico | Private

Fanboy & Chum Chum
Fanboy | Chum Chum | Kyle Bloodworth-Thomason

T.U.F.F. Puppy
Dudley Puppy | Kitty Katswell | The Chief | Keswick | Tammy | Becky | Daisy | KIL-R

Winx Club
Bloom | Stella | Flora | Musa | Tecna | Aisha | Roxy

Kung Fu Panda: Legends of Awesomeness
Po | Shifu | Tigress | Monkey | Viper | Crane | Mantis | Mr. Ping

The Legend of Korra
Korra | Mako | Bolin | Asami Sato | Tenzin

Sanjay and Craig
Sanjay Patel | Craig Slithers | Megan Sparkles

Breadwinners
SwaySway | Buhdeuce | Bread Maker | Ketta | T-Midi | Jelly

Harvey Beaks
Harvey | Fee | Foo

Pig Goat Banana Cricket
Pig | Goat | Banana | Cricket

Welcome to the Wayne
Ansi Molina | Olly Timbers | Saraline Timbers | Leif Bornwell III | Dennis O'Bannon | Wendell Wasserman | Goodness | Katherine-Alice

            Nicktoons logo.png Heroes

Corneil and Bernie
Corneil | Bernie

Kappa Mikey
Mikey Simon | Gonard | Guano | Lily | Mitsuki

The Secret Show
Victor Volt | Anita Knight

            1280px-Nick Jr. logo 2009.svg.png Heroes

Backyardigans
Pablo | Uniqua | Tasha | Austin | Tyrone |

Little Bear
Little Bear | Mother Bear | Father Bear | Duck | Owl | Cat | Hen | No Feet | Emily | Granny | Grandfather Bear | Grandmother Bear | Mitzi | Rusty Bear | Moose | Mermaid | Otters | Frog | Mighty the Whale

Blue's Clues/Blue's Clues & You!
Blue | Steve | Joe | Josh | Sidetable Drawer | Spice Family | Tickety Tock | Shovel and Pail | Slippery Soap

The Wubbulous World of Dr. Seuss
The Cat in the Hat | The Fish | Terrence McBird | The Grinch | Max | Horton the Elephant | Fox in Socks | Mr. Knox | Morton the Elephant-Bird | Jane Kangaroo | Rudy Kangaroo | Thidwick the Big-Hearted Moose | The Wickersham Brothers | Sarah Hall Small | Sam-I-Am | Sue Snue | Mayor Stovepipe | Matthew Katroom | Pam-I-Am | The Birthday Bird | King Derwin | Princess Tizz | Princess Tizz

Deer Squad
Kai | Lola | Rammy | Bobbi | Ian

Dora the Explorer/Go, Diego, Go!/Dora and Friends
Dora Marquez | Boots | Map | Backpack | Benny the Bull | Tico the Squirrel | Isa | Big Red Chicken | Señor Tucán | Swiper the Fox | The Grumpy Old Troll | Diego | Rescue Pack | Click | Kate | Alana | Emma | Naiya | Pablo

Peppa Pig
Peppa Pig | George Pig | Mummy Pig | Daddy Pig

Ni Hao, Kai-Lan
Kai-Lan | Rintoo | Lulu | Tolee | Hoho Fufu

Bubble Guppies
Gil | Molly | Goby | Deema | Oona | Nonny | Zooli

PAW Patrol
Ryder | Chase | Marshall | Skye | Rocky | Rubble | Zuma | Cap'n Turbot | Robo-Dog | Everest | Tracker | Francois Turbot | Katie | Alex | Mayor Goodway | Sweetie | Tuck and Ella | Rex | Wild Cat | Liberty

Blaze and the Monster Machines
Blaze | AJ | Gabby

Shimmer and Shine
Shimmer | Shine | Leah | Zac

Rusty Rivets
Rusty | Ruby

Titular Nick Jr. Heroes
Abby Hatcher | Oobi

Lalaloopsy Heroes
Lalaloopsy Heroes

Santiago of the Seas
Santiago Montes | Tomás | Lorelai | Kiko | Cecilia | Tina

See Also: Cartoon Network Heroes

           SpongeBob SquarePants Logo.png Heroes

Main Heroes
SpongeBob | Patrick | Squidward | Mr. Krabs | Sandy | Mrs. Puff | Pearl | Gary | Plankton | Karen

Movie Heroes
King Neptune | Princess Mindy | David Hasselhoff | Bubbles | Sage | Otto | Tiffany Haddock

Other Heroes
Mermaid Man | Barnacle Boy | Incidentals | Angler Fish | Beatrice | King Krabs | Larry the Lobster | Fred Rechid | SpongeBuck | The Wise Old Crab | Jimmy Blobfish

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