Sheldon J. Plankton, the owner of the Chum Bucket, has been a staple of SpongeBob SquarePants since the first season. His nefarious schemes are always foiled in one way or another, and his life's goal ...

SpongeBob SquarePants is an enduring cartoon that many may not take seriously, but one episode proves just how smart the ...

Many of his best quotes exhibit these qualities, but they can also defy expectations without losing touch of the character.