He gets stepped on and forgotten because he wants to steal the crabby patty recipe.
ahhh but that's not all my dear friend
if you watch some of the SpongeBob SquarePants episodes youll see that plankton tries to be friends with everyone so he can force them to get the krabby patty seceret formula
It is also obvious that Plankton is evil because he practically brain washed all the fish in Bikini bottom.
Plankton
Ural kingdom
Squidward's rival enemy on Spongebob Squarepants are Spongebob himself and Patrick.
The First ever episode with Plankton was called: Plankton
Karen is a smart computer who is also Plankton's wife on the TV show SpongeBob SquarePants. Her exact age is not known, but it helps to know that Plankton is 71 years-old. Thus if Karen was created by Plankton, she cannot be older than 71.
Plankton is a character from the show Spongebob Squarepants. He is a maniacal little plankton that plots to steal the Crabby Patty Recipe from the Krusty Krab.
green
SpongeBob SquarePants - 1999 Walking the Plankton was released on: USA: 7 November 2011
The following characters are available in Spongebob Squarepants Legos Sandy Cheeks, Spongebob Squarepants, Squidward, Patrick, Mr.Krabs, and Plankton.
He is not a character on 'SpongeBob SquarePants'. No, he helps make the cartoon and does te voice of Sheldon J. Plankton. Alias Mr. Lawrence
Plankton
The Chum Bucket
He's a Plankton
no he is not. he is an tiny animal in the sea.
Ural kingdom
no he is not a equivalent to satan.
SpongeBob SquarePants - 1999 Plankton's Pet 9-21 was released on: USA: 19 January 2013