Naughty deeds list "Coal for everyone! Except Plankton."

This article is about a Item from It's a SpongeBob Christmas!


Jerktonium is the substance used by Plankton in order to turn everyone in Bikini Bottom into Jerks. He enlaces the Fruit Cake with Jerktonium in order to keep its presence inconspicuous. He distributes the Jerktonium via the Jerkmaker-9000.

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