One of the biggest egos in the cartoon world belongs to the character Plankton from the Nickelodeon cartoon SpongeBob SquarePants. Plankton’s over-inflated sense of worth (and his never-ending quest to steal the coveted Krabby Patty recipe) leads him to run roughshod over the inhabitants of Bikini Bottom. To wit: It’s funny in cartoon-land. But the…