SpongeBob SquarePants

Plankton family

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The Plankton Family is a family that goes on for generations that eventually all relate to main and evil character Sheldon J. Plankton.

Family Tree

The following is a family tree of the Plankton family.

Planktonamor + Karen the Crystal Ball 
        Many Generations
       Dead Eye Plankton         
        Many Generations              
      Grandpa Plankton + Plankton's Grandmother  
                       |                                                                      |
                  Mr. Plankton + Mrs. Plankton    E.M.I.L.P. + Fredrick      Unknown Uncles and Aunts of Plankton
                               |                             |                                |
                             Sheldon J. Plankton + Karen Plankton                Clem and other Cousins of Plankton

Sheldon J. Plankton

Main article: Sheldon J. Plankton

Sheldon James Plankton tries to steal the Krabby Patty secret formula from his arch-rival. Plankton has over 6000 cousins. He also has a wife called Karen (see underneath).

Images (22)

Karen Plankton

Main article: Karen

Karen Plankton is Plankton's Wife. She is always nagging about Plankton not getting the Krabby Patty.

GojiBobAdded by GojiBob

Clem Plankton

Main article: Clem

Clem is the main cousin of Plankton. He is a hillbilly and he has hole in his hat for his antennae. It was mentioned that he can't read.

Plankton family
Plankton and his Cousin's.
GojiBobAdded by GojiBob

Plankton's Cousins

Main article: Plankton's Cousins

Plankton's Cousins include:

  • Clem Plankton
  • Zeke Plankton
  • Rufus Plankton
  • Jeke Plankton
  • Billy Bob Plankton
  • Billy Jim Plankton
  • Billy Billy Bo Willy Banana Fana Fo Filly Plankton
  • Toad Plankton
  • Enis Plankton
  • Doug Plankton
  • Leisha Plankton
  • etc.
120dAdded by 120d


Main article: Planktonamor
Planktonamor is a medieval ancestor of Plankton, who's an evil wizard that appeared in Dunces and Dragons. He was the owner of the medieval King Jellyfish, who he would send out to destroy the town unless King Krabs gave him the power. After kidnapping Princess Pearl, SpongeBob was sent out to fight him to the death, winning by stepping on him.
P Dad
Plankton(left) and his Dad(right).
GojiBobAdded by GojiBob

Plankton's Dad

Main article: Plankton's Dad
 Plankton's Dad is Plankton's father who only appeared in the book Hooray for Dads!. Mr. Plankton also was mentioned in Frozen Face-Off when Plankton said, "Dad was right, I should've minored in business administration."

Mrs. Plankton

Mrs. Plankton is Plankton's mother. She is mentioned in "Nicktoons Unite!" and "Creature from the Krusty Krab." Plankton even kept claiming that she would be proud of him if he took over the world and appreciate him more.
Grand Dad(Grandpa Plankton)
120dAdded by 120d

Grand Dad

Grand Dad Plankton is Plankton's grandfather who was seen in One Coarse Meal. Plankton saw him when he dreamed of being eaten by Pearl. From the fact that Plankton saw him in a whale's stomach, he was probably eaten by a whale.

Gramma's Secret Recipe
Gramma Plankton
120dAdded by 120d

Gram Gram (Grandma)

Gram Gram(Grandma) Plankton is Plankton's grandmother mentioned in "Krabs vs. Plankton" and later physically appeared in "Gramma's Secret Recipe". She currently resides in Shady Shoals Rest Home.
Dead Eye
Dead Eye Plankton
120dAdded by 120d

Dead Eye Plankton

Main article: Dead Eye Plankton
Dead Eye Plankton is Plankton's western ancestor, who's an outlaw that was only seen in Pest of the West. Everyone in Dead Eye Gulch is afraid of him. He brought down from power when SpongeBuck SquarePants stepped on him.
Zach6040Added by Zach6040


Fredrick is Karen's father and Plankton's father-in-law. He tends to like drinking English tea, but not to like the husband his daughter married, Plankton. He has not appeared in an actual episode, but is a character that won in a contest in Nick Magazine. He has only made an appearance in the December 2009 issue of Nick Mag.

NotUntil4Added by NotUntil4


E.M.I.L.P. is Karen's mother and Plankton's mother-in-law. Like Fredrick, E.M.I.L.P. doesn't like Plankton, saying that she wished Karen married an ATM, a person with money, instead of him. She only appeared in Single Cell Anniversary after Karen short-circuited. She is just like her husband Fredrick.

Characters (VTE)


SpongeBobPatrickSandySquidwardMr. KrabsPlanktonGary


Mrs. PuffPearlKarenMermaid ManBarnacle BoyLarry the LobsterSquilliam FancysonJohnny ErainFlying DutchmanPatchy the PiratePotty the ParrotKing NeptunePainty the Pirate

Major Background

Bubble BassFredHaroldNat PetersonOld Man JenkinsSandalsTomSadie Rechid



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