Karen Plankton

Computer Brain

Sheldon J. Plankton (Husband)

Gordon Plankton (Father-in-law)

Mama Plankton (Mother-in-law)

Lily Plankton (Grandmother-in-law)

Grand Dad Plankton (Grandfather-in-law)

Chef

Cashier

Teacher ("Salsa Imbecilicus")

Karen Plankton (birthday: December 20)  is one of the two main villains in the SpongeBob SquarePants franchise. She is a waterproof supercomputer who lives in the Chum Bucket laboratory. She is Sheldon Plankton's sidekick and wife who supplies him with evil plans to steal the Krabby Patty secret formula.

## Appearances

TV Shows:

* 1999's Spongebob Squarepants- "Plankton!" (Debut) (First TV show appearance)
* 1999's Spongebob Squarepants- "F.U.N"
* 2000's Spongebob Squarepants- "Sleepy Time" (Cameo as desk form)
* 2000's Spongebob Squarepants- "Imitation Krabs" (Robot Krabs form)
* 2002's Spongebob Squarepants- "Welcome to the Chum Bucket"
* 2002's Spongebob Squarepants- "The Algae's Always Greener"
* 2004's Spongebob Squarepants- "Plankton's Army" (Wall form)
* 2005's Spongebob Squarepants- "Fear of a Krabby Patty"
* 2005's Spongebob Squarepants- "Krabs v.s Plankton"
* 2005's Spongebob Squarepants- "Enemy In-Law"
* 2006's Spongebob Squarepants- "New Leaf" (Cameo as Robot Krabs)
* 2007's Spongebob Squarepants- "Best Frenemies"
* 2007's Spongebob Squarepants- "Friend or Foe"
* 2007's Spongebob Squarepants- "Spy Buddies" (Cameo)
* 2007's Spongebob Squarepants- "Krabs a la Mode"
* 2007's Spongebob Squarepants- "Bucket Sweet Bucket"
* 2007's Spongebob Squarepants- "20,000 Patties Under the Sea" (Voice heard, control panel seen)
* 2007's Spongebob Squarepants- "Banned in Bikini Bottom"
* 2008's Spongebob Squarepants- "Krabby Road"
* 2008's Spongebob Squarepants- "Spongicus"
* 2008's Spongebob Squarepants- "Patty Caper"
* 2008's Spongebob Squarepants- "Plankton's Regular"
* 2008's Spongebob Squarepants- "The Krabby Kronicle"
* 2009's Spongebob Squarepants- "Goo Goo Gas"
* 2009's Spongebob Squarepants- "Komputer Overload"
* 2009's Spongebob Squarepants- "Chum Bucket Supreme"
* 2009's Spongebob Squarepants- "Single Cell Anniversary" (Mobile form in flashback and wall form in the whole episode)
* 2009's Spongebob Squarepants- "Truth or Square"
* 2009's Spongebob Squarepants- "Chum Caverns"
* 2009's Spongebob Squarepants- "Tentacle-Vision" (Cameo)
* 2009's Spongebob Squarepants- "Someone's in the Kitchen with Sandy"
* 2009's Spongebob Squarepants- "The Inside Job"
* 2009's Spongebob Squarepants- "Greasy Buffoons"
* 2010's Spongebob Squarepants- "SpongeBob's Last Stand" (Cameo)
* 2010's Spongebob Squarepants- "One Coarse Meal"
* 2010's Spongebob Squarepants- "Gramma's Secret Recipe" (Indirect mentioned)
* 2010's Spongebob Squarepants- "The Great Patty Caper (Cameo)
* 2010's Spongebob Squarepants- "Buried in Time"
* 2010's Spongebob Squarepants- "Shellback Shenanigans"
* 2011's Spongebob Squarepants- "Perfect Chemistry"
* 2011's Spongebob Squarepants- "Frozen Face-Off"
* 2011's Spongebob Squarepants- "Sweet and Sour Squid"
* 2011's Spongebob Squarepants- "Walking the Plankton"
* 2011's Spongebob Squarepants- "Plankton's Good Eye"
* 2012's Spongebob Squarepants- "Fiasco!" (Deleted scene, credited in voice cast)
* 2012's Spongebob Squarepants- "Free Samples"
* 2012's Spongebob Squarepants- "Karen 2.0"
* 2012's Spongebob Squarepants- "For Here or to Go" (Cameos)
* 2012's Spongebob Squarepants- "It's a Spongebob Christmas!"
* 2012's Spongebob Squarepants- "Chum Fricassee" (Cameo)
* 2012's Spongebob Squarepants- "Move It or Lose It"
* 2012's Spongebob Squarepants- "Eek, an Urchin!" (Mentioned, only heard)
* 2013's Spongebob Squarepants- "Jailbreak!"
* 2013's Spongebob Squarepants- "Evil Spatula"
* 2013's Spongebob Squarepants- "Plankton's Pet"
* 2014's Spongebob Squarepants- "It Came from Goo Lagoon"
* 2015's Spongebob Squarepants- "Company Picnic" (Deleted scene, credited in voice cast)
* 2016's Spongebob Squarepants- "Mall Girl Pearl" (Cameo)
* 2016's Spongebob Squarepants- "CopyBob DittoPants"
* 2016's Spongebob Squarepants- "Lame and Fortune"
* 2016's Spongebob Squarepants- "Pineapple Invasion"
* 2016's Spongebob Squarepants- "Salsa Imbecilicus"
* 2017's Spongebob Squarepants- "Mimic Madness" (Deleted scene)
* 2017's Spongebob Squarepants- "Plankton Gets the Boot"
* 2017's Spongebob Squarepants- "Plankton Retires"
* 2017's Spongebob Squarepants- "The Incredible Shrinking Sponge"
* 2017's Spongebob Squarepants- "Feral Friends" (Deleted scene)
* 2017's Spongebob Squarepants- "Spot Returns"
* 2017's Spongebob Squarepants- "Spin the Bottle"
* 2017's Spongebob Squarepants- "The Legend of Boo-Kini Bottom"
* 2017's Spongebob Squarepants- "Krabby Patty Creature Feature"
* 2018's Spongebob Squarepants- "Grandmum's the Word"
* 2018's Spongebob Squarepants- "Bottle Burglars"
* 2018's Spongebob Squarepants- "Shopping List"
* 2018's Spongebob Squarepants- "Patnocchio" (as Karen the Computer Fairy) (Debut)
* 2018's Spongebob Squarepants- "Karen's Virus"
* 2018's Spongebob Squarepants- "Girls' Night Out"
* 2019's Spongebob Squarepants- "Gary & Spot"
* 2019's Spongebob Squarepants- "King Plankton"
* 2019's Spongebob Squarepants- "SpongeBob's Big Birthday Blowout" (as Cartoon version and Jill Talley)
* Spongebob Squarepants- "Plankton's Old Chum" (TBA)
* Spongebob Squarepants- "The Krusty Bucket" (TBA) (Latest appearance)

Movies:

* 2004's The SpongeBob SquarePants Movie (Debut of mobile Karen) (First movie appearance)
* 2015's The SpongeBob Movie: Sponge Out of Water (Latest appearance)

Video Games:

* 2002's Revenge of the Flying Dutchman (GBA only as boss) (First video game appearance)
* 2003's Battle for Bikini Bottom (Appears in opening cutscene and Kah-Rah-Tae!)
* 2003's Nickelodeon Toon Twister (Appears in the Chum Bucket in the opening and menu)
* 2004's SpongeBob SquarePants Typing (Mentioned)
* 2004's The SpongeBob SquarePants Movie Video Game (PC version appears in Evil Under the Sea level and interacts)
* 2004's The SpongeBob SquarePants Movie Video Game (NA Console version appears in cutscenes)
* 2005's The SpongeBob SquarePants Movie Video Game (PAL Console version appears in cutscenes)
* 2005's Lights, Camera, Pants! (Xbox and PS2 version as Chum Bucket host)
* 2005's Lights, Camera, Pants! (PC, GameCube, and Game Boy Advanced as unlockable actor)
* 2005's The Yellow Avenger (DS version interacts)
* 2006's The Yellow Avenger (PSP version interacts)
* 2006's Creature from the Krusty Krab (as Player Guide in Plankton's levels)
* 2007's SpongeBob's Atlantis SquarePantis (Mentioned)
* 2008's Drawn to Life: SpongeBob SquarePants Edition (as Mobile form)
* 2008's SpongeBob SquarePants featuring Nicktoons: Globs of Doom (Appears in Chum Bucket)
* 2009's SpongeBob's Truth or Square (Appears and talks through the game)
* 2011's SpongeBob SquigglePants (Appears in various minigames)
* 2011's SpongeBob SquarePants Tooncast Studio (Appears in Chum Bucket background)
* 2013's Plankton's Robotic Revenge (Talks in opening cutscene)
* 2013's SpongeBob Moves In! (Appears in multiple quests)
* 2015's SpongeBob HeroPants (Appears as time machine form)
* 2015's SpongeBob's Game Frenzy (Playable character in "Scan the Patty")
* 2015's The SpongeBob Movie Game: Sponge on the Run (Appears as time machine form)
* 2016's SpongeBob Game Station (Beta version appears in Sponge Run minigame and promo art)
* 2017's SpongeBob Game Station (Appears in Sponge Run minigame and promo art)
* 2017's SpongeBob Game Station (iOS version appears in Sponge Run minigame and promo art)
* SpongeBob Town (Appears with Plankton) (Latest appearance)

## Forms

* Robot Krabs (Appears in Imitation Krabs, New Leaf and Spy Buddies) (Formerly)
* Chum Bucket fist (Appears in 20,000 Patties Under the Sea)
* Submarine (Appears in It Came from Goo Lagoon)
* Wall Form
* Mobile Form
* Time Machine (Appears in The SpongeBob Movie: Sponge Out of Water) (Formerly)

## Abilities

* Talking
* Form-switching
* Lasers
* Television screen
* Inventing
* Brain Control (Formerly)