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100px-Sheldon Plankton.svg


This plan can't possibly fail!
— Plankton

Sheldon "Peter" James Plankton (Born November 12, 1942 age: 70) is Mr. Krabs' arch nemesis and the antagonist in the SpongeBob SquarePants series. He was the main antagonist in the movie, "The Great Patty Caper", "SpongeBob's Last Stand", "Truth or Square", "Atlantis SquarePantis", and "Frozen Face Off" and a protagonist villain in episodes he leads/really focusing to him and non-villain in episodes when he wasn't portrayed as and antagonist/villain.

He operates a struggling restaurant called the Chum Bucket, located directly across the street from the Krusty Krab. His primary goal in the series is to steal the Krabby Patty secret formula and put Mr. Krabs out of business. Plankton succeeds at stealing the recipe in the movie, but his goal of world domination is thwarted by SpongeBob. In "Friend or Foe," it was revealed that Mr. Krabs and Plankton were once best friends, but a dispute over the Krabby Patty recipe ended their friendship.



Biography EditEdit

Plankton has spent a long period of time trying to destroy the Krusty Krab by stealing the Krabby Patty forumula, a franchise owned and operated by Mr. Krabs. He's married to a computer named Karen. He always comes short of getting the Krabby Patty formula.

Early life and career EditEdit

Plankton's best friend from birth was his future rival Mr. Krabs. This history was revealed in "Friend or Foe". Plankton and Krabs were considered outcasts by other kids because Krabs was poor and Plankton was a nerd. When they discovered that money could bring them out of their poverty, they decided to make money selling hamburger patties, and set up a mini-restaurant in the local dump. At first, their burgers weren't successful; the first of their patties was tried by Old Man Jenkins, who was knocked out by the contaminated burger. Plankton started complaining about how Jenkins had been old and not able to handle the patty. Offended by this, Krabs tried to take the recipe from Plankton to improve upon. Plankton wanted to do this himself, but he only ended up with the corner of the recipe, which read: "And a pinch of chum." Plankton stormed out of the restaurant, and went to create his own recipe, using only his memory, the corner of the recipe, and science. At school, Plankton tried to sell his chum burgers in a chum bucket and failed, when Krabs succeeded with his Krabby Patties, which he had created by accident when Plankton had slammed the door. Ingredients fell in the patty batter, thus creating the patty. Plankton later named his restaurant the Chum Bucket, after the secret ingredient of the original unsuccessful patty recipe. Mr. Krabs named his restaurant the Krusty Krab. To this very day, Plankton has been single-mindedly obsessed with obtaining the Krabby Patty formula and running the Krusty Krab out of business, often going to incredible and often ridiculous lengths to do so; in "SpongeBob's Last Stand," for example, he builds a massive highway that goes straight through Jellyfish Fields and over the Krusty Krab, leading right to his restaurant simply to do so.He has supercomputer and tries to steal Krabby Patty's Formula.

In "Dunces and Dragons", it was implied that the fight between Plankton and Krabs began centuries ago when Plankton's evil overlord ancestor Planktonamor was vanquished by a Krabby Patty. Since there's not any feud between Krabs and Plankton in their early childhood, it's possible that these families settled their differences until the childhoods of Krabs and Plankton.

In a comic story, Krabs and Plankton are shown to have been college roommates. Their rivalry is shown to have been caused by a series of things, including Plankton being stepped on by Mr. Krabs (which didn't annoy him at all), being closed inside Mr. Krabs' book (which aggravated him a little), and Mr. Krabs going out with his date and Plankton's date (which started their rivalry). Since it was revealed in "Friend or Foe" that they were rivals earlier than college, this story is likely non-canon. Even in the present day of the series, Krabs and Plankton are occasionally shown to somewhat get along, such as in "New Leaf" and "Best Frenemies".

Plankton's restaurant, the Chum Bucket, has always been extremely unsuccessful, not only because of competition from the Krusty Krab and Plankton's rude and cruel treatment of the people in Bikini Bottom, but also due to the extremely poor quality of the food and Plankton's constant failure to clean the place up. As its name implies, the Chum Bucket serves chum-based foods, all of which taste terrible. In "Plankton's Regular", the Krusty Krab adds chum to its menu in an attempt to steal Plankton's single regular customer (who was in reality being paid by Karen to eat at the Chum Bucket and pretend to like the food there). The customer is disgusted by their chum, and says that it is the second foulest thing he has ever tasted (it can be inferred that Plankton's chum is the number one worst). This implies that chum is inherently disgusting, and cannot be made to taste good, although is shown to be false in the Season 7 episode "Greasy Buffoons." Plankton used excess grease from the Krusty Krab's grease trap that was dumped near the Chum Bucket to make his sales skyrocket (although it is unknown if this made the chum taste good, as Plankton could have been lying, and his customers could have been tasting only the grease, as the flavor could have covered up the chum's flavor).

It should be noted that in real life, chum is made of grounded up fish parts that are inedible to humans, such as heads and guts, and is used as bait for sharks and similar creatures. This would mean that Plankton is killing fish (or at least collecting dead fish) and serving their remains to other fish. This has only ever been touched upon in "The Krabby Kronicle," where SpongeBob prints a story claiming this. However, SpongeBob was being tricked by Mr. Krabs into printing absurd lies to appeal to customers, and this story was supposedly false. It also possible, that in the alternate reality the show takes place in, chum might be made of something completely different (although still likely disgusting), like in the episode Spongicus, Plankton named of many weird things that make up his chum, and fish parts was not on the list.

Plankton has no regular employees, and runs the Chum Bucket entirely by himself, although he spends most of his time in his laboratory, due to having no customers. Plankton actually runs the restaurant only when he has potential customers. Also, when he does have customers, he also uses artificially intelligent machines to cover the other positions.

Although it has been stated on multiple occasions that Plankton has never had a single customer, he has on several occasions had brief success, particularly in more recent episodes, such as "Spongicus" and "Chum Caverns". A fan once wrote to Stephen Hillenberg, questioning that, due to Plankton being a genius in the fields of robotics, inventions, and technology (including many other fields), why Plankton dosn't sell computers and the like instead of fast food (which would actually probably bring him much better success)? Hillenberg answered this with that Plankton has never gone this route, simply due to him having never thought of it before, and also due to the fact that Plankton is slightly incompetent, and also that he has terrible communication skills, he would probably ignore the person's idea until the last minute.



Fears EditEdit

In the episode One Coarse Meal, it is revealed that Plankton is afraid of whales, enough to go insane. The reason is because a pod of whales ate his ancestors (also because whales eat plankton). He also fears his plans failing so many times.

Trivia EditEdit

  • A running gag is that in many episodes he appears in (including the movie), he gets squished.
  • It was revealed in Single Cell Anniversary, that Plankton is not actually green, his outfit is. Karen removes the green and we see an underwear clad pink plankton embarrassed of his nakedness. He also has a rack with identical green suits.
  • Plankton is left-handed.
  • Plankton appears in the "United Plankton Pictures" logo.
  • Interestingly, although his name is "Plankton," he bears more resemblance to the real-life class of organisms, Copepoda (Cyclops), which feed on phytoplankton. Do note that plankton are known to come from a different Kingdom than Copepods.
  • Despite all of Plankton's schemes, he has only been arrested four times, in The SpongeBob SquarePants MovieKrabby RoadFiasco!, and Jailbreak! (he escaped from the cops in "Goo Goo Gas").
  • Plankton should be able to remember the Krabby Patty Secret Formula from The SpongeBob SquarePants Movie, although Stephen Hillenburg said that chronologically, The SpongeBob SquarePants Movie is the last part of the series. And also, he could have been in jail for long enough to forget and want to get the formula again.
  • It seems odd that Plankton wants to steal the Krabby Patty Secret Formula and make money from it, and in fact succeeded in accomplishing both in the movie, when doing so should have led to him facing a lawsuit for plagiarism and/or copyright infringement. Perhaps Mr. Krabs, due to his miserliness, never bothered to copyright the formula, and thus, Plankton could steal it without running the risk of being sued.
  • He was called "Shelly" in SpongeBob's Last Stand.
  • Plankton is college educated, which has become a running gag throughout the series, as he would usually shout, "Eye went to college!!!!!!!!!!!!!" while pointing at his eye as a pun when Mr. Krabs foiled him.
  • Steven Hillenburg says that chronologically, The SpongeBob SquarePants Movie is the last episode. However, in the movie Plankton says he's never had a customer, but in Chum Caverns and Chum Bucket Supreme, he has had at least, and usually more than his only competition, the Krusty Krab.
  • Plankton is afraid of whales in "One Coarse Meal", but not in "The Algae's Always Greener."
  • Out of his whole family, he seems to be the smartest, as his family is shown to be quite clueless and unintelligent.
  • His family is made up of hillbillies (or what they appear to be), and he appears to have forgotten their stereotype after all these years, as in their episode, he believes they are "criminal masterminds" and when he sees them, he is shocked and says "I've been away from home longer than I thought." It is possible that after this, he was disgusted by their stupidity, and possibly taught them to be smarter.
  • His first name is revealed in "Plankton's Army".
  • According to the TV movie "Truth or Square", Plankton has made 1,003 failed attempts to steal the formula.
  • At 2 inches tall, Plankton is actually gigantic for his kind. They, of course, did that to make viewers see him on the screen.
  • Plankton actually should be half the size of SpongeBob, as SpongeBob is 4 inches tall.
  • Plankton is the smallest of all the main characters and the smallest person in Bikini Bottom.
  • In "Plankton!", he seems very small.
  • In "Plankton!", Plankton has a lab, which is just a real Labrador.
  • In later episodes, when SpongeBob holds Plankton in his hand, he's bigger or SpongeBob's hand is smaller (compare "Plankton!" with "Single Cell Anniversary" or "The Main Drain").
  • In "The Main Drain", Plankton is unusually bigger than other episodes.
  • He and Mr. Krabs is the only in their family to ever make friends with each other, their predecessors are enemies.
  • In several relatively recent episodes, the inside of his mouth was purple. But that was corrected back to red in later episodes.
  • Early in the series, Plankton is considered the primary villain of the series. Later, as Krabs becomes more dramatically greedy and Plankton becomes less dramatically evil, the role of the main villain of the series becomes more debatable.
  • Plankton is assumed, by many, to be just as old as Mr. Krabs. This is understandable seeing as how they both knew each other since birth, which was noted in Friend or Foe. But it is possible that this is ignored in later episodes.
  • Plankton has inventions for equipment in contrast to Mr. Krabs' spy technology.

Family EditEdit

Plankton's "wife" is his computer system Karen, even though neither of them fully consider the other their true soul mate, and their relationship is a very troubled one, although it was slightly mended by the events of the episode,Komputer Overload.

Being a microscopic organism, Plankton's biological family numbers in the thousands. In "Plankton's Army," he recruits his entire family to help him steal the formula, thinking them all to be criminal masterminds like himself. However, much to his surprise, his family consists entirely of uneducated, red-necked hillbillies. These Relatives include (but are not limited to): Clem Plankton, Zeke Plankton, Rufus Plankton, Jeke Plankton, Billy Bob Plankton,Billy Jim Plankton, Billy Billy Bo Billy Banana Fana Fo Filly Plankton, Doug Plankton, Ennis Plankton, andRainchild Plankton, the only ones named.

[1]Plankton in It's a SpongeBob Christmas!Added by VoronGlass

Plankton has two known ancestors. One is the evil wizard Planktonamor, who lived during medieval times and appeared in "Dunces and Dragons." Another isDead Eye Plankton, a wealthy citizen who attempted a hostile takeover of Bikini Gulch but was defeated by Sheriff SpongeBuck SquarePants. Dead Eye Plankton lived during the Wild-West era and appeared in "Pest of the West."

[2]Plankton's wife Karen.Added by Airhogs777==Criminal RecordsEdit==

Plankton has a number of criminal records aside from snatching the formula.

Inventions EditEdit

  • Hypno-Pod: Hypnotizes jellyfish to be slaves as seen in the online game Plankton's Pernicious Plot.
  • Time Machine: Seen in SuperSponge
  • Mind Control Bucket Helmets: Control’s the mind of fish and turns them into Plankton's slaves. Seen in "The SpongeBob SquarePants Movie."
  • High-Powered Mechanical Bio Arm: Opens anything - revealed but malfunctioned in the episode, "Best Frenemies."
  • Enlargetron: Makes things bigger, seen in Creature from the Krusty Krab.
  • Robo-Krabs: Robot version of Mr. Krabs, Seen in Imitation KrabsOperation Krabby PattyNew Leaf, and Spy Buddies.
  • The switch-lives-just-to-know-what-it's-like-o-microfier. Seen in "The Algae's Always Greener".
  • New computer inventions, seen in "Komputer Overload".
  • The Dispictulator: A freeze ray Plankton used in Creature from the Krusty Krab.
  • Brain-Powered Sponge-Robot: A robot modeled after SpongeBob that runs on brains.
  • K.A.R.E.N.: Robot Computer/Wife that can analyze anything. She is mobile. She can also create holographic food.
  • Pat-Bot: Built with a paddle ball, pogo stick, razor blade, and metal claws.
  • Duplicatotron 3000: A machine that creates seemingly endless amounts of robot soldiers. Seen in SpongeBob SquarePants: Battle for Bikini Bottom.
  • Many more throughout the series.
  • Karen 2- Capable of hacking into Chum Bucket's system. Also his new wife but was destroyed by his new/old wife K.A.R.E.N.
  • Brain Sucker- Capable of getting info from his target/foe.
  • Death Robot- A robot that has super strength and a built in mallet. It was destroyed by Mr. Krabs after it attempted to destroy his cash register.
  • Majestic Sizzlemaster - A spatula that can fly and talk. Plankton used this in attempts to get the secret formula out of SpongeBob by earning his trust.

Schemes EditEdit

See: List of Plankton's schemes

Quotes Edit Edit

  • "Mu-hahahahaha!"
  • "Don't give another penny to those fast food phonies!"
  • "What are you talking about you gargantuan buffoon?!"
  • "Karen, where did you put my Death Ray?"
  • "Oh, please. I can cause far more collateral damage then that."
  • "Drat!"
  • "I know a crybaby who can fix that!"
  • "Ah who needs that old rust bucket anyhow."
  • "You know Karen, sometimes I wonder if you're here to help me run the Chum Bucket or just to make me feel like I'm two inches tall."
  • "My eye is burning, and I don't know why!"
  • "Now were cooking with blubber!"
  • "Eat at the Chum Bucket or perish!"
  • "I can't step into the light... the whale might see me..."
  • "Stop playing this infernal pipe, your killing me!"
  • "Take a hike sponge!"
  • "Ravioli, Ravioli, give me the formuoli!"
  • "I EVEN ATE 105 BLACK LICORICE JELLYBEANS THROUGH A STRAW!"
  • "It looks like an ordinary penny, because it IS an ordinary penny!"
  • "Oh, that's really funny, Karen, perhaps you should of just married a pile of cheese!"
  • "Delectable!"
  • "Yes, thanks to you I'm evil again, and as a token of my appreciation I'll give you all a rousing send-off with my infra-red security attack lasers!"
  • "I'm Plankton you Ol' hag! And your son smells like boogers!"
  • "Success!"
  • "Oh sure let me do all the work, while you just sit there like the fat gorilla you are!"
  • "It's on the back of the Phone Book, come on! I payed a LOT of money for that ad!"
  • "Yeah, baby! This is it. Yeah! Whoo! I got it! I got it! My diabolical, extremely convoluted plan worked! I should've been a politician."
  • I'm so happy I might burst... this BUBBLE that is!
  • "Curse you!"
  • "It's not LOVE, is it? You know I hate that stuff."
  • "No, I'm just nervous. I don't know what flying insects have to do with it."
  • Well we like to take long walks on the beach, and, uh, we like to talk about our dreams. Our dreams of concurring all of Bikini Bottom and become supreme overlords of all creation and to trample our enemies beneath our feet."
  • "Why are you so obsessed with my internal organs?"
  • "Cut the comedy octopus! I want that formula and I want it NOW!"
  • "Two eyes, huh? I think I know a cry baby who fits that description!"
  • "Oh! Oh! Ohhh! It's evil. It's diabolical. [Sniffs it] It's lemon-scented. This Plan Z can't possibly fail!"
  • "No, I am not on my way over to the grand-opening ceremony. I'm busy planning to rule the world!"
  • "No resting! This monument celebrating my glory isn't gonna build itself. Move faster!"
  • "What the scallop?!"
  • "Well, that's for me to know, and for you to CLAM UP!"
  • "Oh, Boy, What a dilly of a pickle."
  • "My precious helmets!"
  • "Out of my way, fools!"
  • "I will destroy all of you!"
  • "Karen! HEEEEELLLLLPPP!"
  • "Thanks to your brilliant AIM, honey, now i'm stuck inside that fool of a fry-cook!"
  • "Hm, well, that does explain why I stink at darts."
  • "There's nothing a little duct tape and surgical tubing can't accomplish. Ow! I knew I should've used pipe cleaners. Hello, I'm your long-lost relative. Can I have the secret formula?"
  • "MOMMY!"
  • "The customer?! I'LL BOIL THE CUSTOMER IN HOT OIL AND RIP OUT HIS- Oh yes, for the lovely customer."
  • "Abysmal."
  • "I just wanna talk."

Trivia Edit Edit

  • In "It Came From Goo Lagoon," Plankton is called a "creepy bacteria" by Sandy.
  • There is a running gag in many episodes he appears in (including the movie), where he is squished by a person. Another running gag is him being projected throughout the air, often screaming a sentence or a prolonged word meanwhile.
  • During the original series, Plankton didn't make a lot of appearances, but in the newer episodes, he appears in lots of them.
  • It was revealed in "Single Cell Anniversary," that Plankton is not actually green, his outfit is. Karen removes the green and we see an underwear clad pink plankton embarrassed of his nakedness. He also has a rack with identical green suits.
  • Plankton is left-handed.
  • Plankton and Mr. Krabs were born exactly on the same date as revealed in "Friend or Foe."
  • Plankton appears in the "United Plankton Pictures" logo.
  • Strangely, his eyebrow is missing.
  • Interestingly, although his name is "Plankton," he bears more resemblance to the real-life class of organisms, Copepoda (Cyclops), which feed on phytoplankton. Do note that plankton are known to come from a different Kingdom than Copepods.
  • Despite all of Plankton's schemes, he has only been arrested five times, in The SpongeBob SquarePants Movie, "Krabby Road," "Sweet and Sour Squid," "Fiasco!", and "Jailbreak!" (He escaped from the cops in "Goo Goo Gas").
  • It seems odd that Plankton wants to steal the Krabby Patty Secret Formula and make money from it, and in fact succeeded in accomplishing both in the movie, when doing so should have led to him facing a lawsuit for plagiarism and/or copyright infringement. Perhaps Mr. Krabs, due to his miserliness, never bothered to copyright the formula, and thus, Plankton could steal it without running the risk of being sued.
    • However, it is explicitly stated in "Imitation Krabs" that duplication of the Secret Formula is punishable by law, indicating that Mr. Krabs did patent the formula at some point, meaning that, even if he was successful, Plankton would have been arrested. In the movie, he claims that Mr. Krabs willed the formula to him, and given how detailed Plan Z was, he probably had a forged will in hand just in case anybody asked.
  • He was called "Shelly" in "SpongeBob's Last Stand."
  • Plankton is college educated, which has become a running gag throughout the series, as he would usually shout, "'I went to college!"
  • Steven Hillenburg says that chronologically, The SpongeBob SquarePants Movie is the series' end. However, in the movie Plankton says he's never had a customer, but in "Chum Caverns" and Chum Bucket Supreme, he has had at least, and usually more than his only competition, the Krusty Krab.
  • Plankton is afraid of whales in "One Coarse Meal," but not in "The Algae's Always Greener" and "Jailbreak!"
  • Out of his whole family, he seems to be the smartest, as his family is shown to be clueless and unintelligent.
  • His family is made up of hillbillies (or what they appear to be), and he appears to have forgotten their stereotype after all these years, as in their episode, he believes they are "criminal masterminds" and when he sees them, he is shocked and says "I've been away from home longer than I thought." It is possible that after this, he was disgusted by their stupidity, and possibly taught them to be smarter.
  • His first name is revealed in "Plankton's Army."
  • According to the TV movie "Truth or Square," Plankton has made 1,003 failed attempts to steal the formula.
  • At 2 inches tall, Plankton is actually gigantic for his kind. They, of course, did that to make viewers see him on the screen.
  • Plankton actually should be half the size of SpongeBob, as SpongeBob is 4 inches tall.
  • Plankton is the smallest of all the main characters and the smallest person in Bikini Bottom.
  • In "Plankton!" he seems very small.
  • In "Plankton!" Plankton has a lab, which is just a real Labrador.
  • In later episodes, when SpongeBob holds Plankton in his hand, he is bigger or SpongeBob's hand is smaller (compare "Plankton!" with "Single Cell Anniversary" or "The Main Drain").
  • In "The Main Drain," Plankton is unusually bigger than other episodes. This also happens in "Sweet and Sour Squid."
  • He and Mr. Krabs are the only members in their families to ever make friends with each other, their predecessors are enemies.
  • In several relatively recent episodes, the inside of his mouth was purple. It was corrected back to red in later episodes.
  • Early in the series, Plankton is considered the primary villain of the series. Later, as Krabs becomes more dramatically greedy and Plankton becomes less dramatically evil, the role of the main villain of the series becomes more debatable as lots of people think Mr. Krabs is evil.
  • Plankton is assumed, by many, to be just as old as Mr. Krabs. This is understandable seeing as how they both knew each other since birth, which was noted in "Friend or Foe." However, it is possible that this is ignored in later episodes.
  • Plankton has inventions for equipment in contrast to Mr. Krabs' spy technology.
  • As seen in "Evil Spatula," Plankton revealed to have a room full of spatulas in the Chum Bucket.
  • Oddly enough, Plankton was not afraid of the Whale Cellmate in the episode "Jailbreak!," as it was revealed in "One Coarse Meal," Plankton is terrified of whales.
  • In the episode "Sweet and Sour Squid," Plankton is revealed to have ears.
  • Arguably, the movie is the only time Plankton turns truly malevolent, and that is perhaps the film where most reaches the summit of malignancy: He had to almost kill Mr. Krabs, enslaved all citizens of the Bikini Bottom, and hired a mercenary to kill SpongeBob and Patrick.
  • Plankton found Mr. Krabs' life to be worse than his life (because Plankton ruins Mr. Krabs' life), when he experienced it in "The Algae's Always Greener" and "Spy Buddies." In the former episode, he found numerous reasons that make Mr. Krabs' life difficult:
    • SpongeBob is always asking him for a Weekly Performance Review on Tuesday and throws a minor temper tantrum if Plankton refuses. He also suffers nervous breakdowns when found guilty of minor errors, such as using too much sauce on a Krabby Patty or giving a customer a large drink when a medium sized one was ordered.
    • Squidward, the lazy grumpy pessimistic worker at the restaurant, complains to Plankton that he doesn't want to work with SpongeBob. Later, when Plankton put him in charge of fry cooking, a customer got angry because the Krabby Patty that Squidward cooked was very ugly, disgusting-looking, and hideous.
    • Pearl, his virtual reality daughter, throws a big temper tantrum because she doesn't get more than $1.
    • Krabs tries to steal the Krabby Patty formula while naked (which Plankton actually does in the show's reality), with an annoying persistence that finally convinces Plankton that Mr. Krabs' life is "just not worth it."
  • In all but one of Plankton's appearances in season 5, he played a major role. (The exception is "Stanley S. SquarePants").
  • He learns about teamwork in The SpongeBob Movie: Sponge Out of Water.
  • It is never revealed what the "J" in his name actually stands for.
  • He has a soft spot for Spot.

Errors Edit Edit

  • Plankton's sizes drastically vary in the episodes: in some episodes he is the size of a jellybean; in others he is the size of a Krabby Patty; and in still others, it is difficult to see him without a magnifying glass. Sometimes, his size even changes within an episode. The only consistency is his being small enough to fit in the palm of one's hand.

References Edit Edit

  1. ^ "Friend or Foe"
  2. ^ SpongeBob's Director's Commentary of "Tanklantis Plankpantis!" in SpongeBob's Atlantis SquarePantis
  3. ^ "Plankton!"
  4. ^ "The Algae's Always Greener"

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