Exciting on Instagram: "🎬 Fun fact: “SpongeBob SquarePants” The show’s pint-sized arch-nemesis, Sheldon J. Plankton, who is perpetually trying to steal the secret Krabby Patty formula, was originally intended to be a villain who only appeared in a single episode, a simple gag designed to contrast with the large character of Mr. Krabs. However, the writers and voice actor Mr. Lawrence enjoyed the dynamic between the two former friends so much, particularly the humor of Plankton’s elaborate failu