Lenny is a blue anchovy fish who has appeared in many episodes.
He wears a tuxedo every time he is with Mable-Monica. Sometimes he wears a white shirt. However, in "Spongicus," Lenny's tuxedo was shown without his head and his other look was there so it could possibly be that the other one is not Lenny or neither it was another fish because the tuxedo was only shown, not his head.
I can turn into a skyscraper!
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