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Character

The Sponge of Mystery is an alter-ego of SpongeBob SquarePants who appears in the episode "Mermaid Man and Barnacle Boy II" and the mobile game SpongeBob's Game Frenzy.

Description

He resembles SpongeBob wearing backwards underwear, a black mask, and a pair of dark green gloves.

Role in episode

SpongeBob guises under this alter-ego while on afternoon patrol with Mermaid Man and Barnacle Boy.

Later in the episode, while Mermaid Man and Barnacle Boy are trapped inside the Dirty Bubble, the Sponge of Mystery asks for his autograph and ends up popping him with his pencil in the process.

Sponges (VE)

BlackJackBlue SpongeBobCaptain Blue SquarePantsClever Visual Metaphor for the Abstract Concept of ThoughtCheeseHead BrownPantsCool SpongeBobDrifterDuke Thomas FeathermuffinEnsignFrankenstein SpongeBobGirly TeengirlGrandma SquarePantsGiant baby SpongeBobGiant SpongeBobGrandpa SquarePantsHarold SquarePantsMargaret SquarePantsMermaid PantsMoldy SpongeManBobOpen window maniacPrimitive SpongeRandomLand SpongeBobSherm SquarePantsSuper SpongeBob SquarePantsSnow spongeSpongezillaSpongeBob's grandsonSpongeBob SquarePantsSpongeBob SquarePants (clones)SpongeBoySpongeBob hallucinationSpongeBuck SquarePantsSpongeBob DoppelgangerSpongeGarSpongeTronSpongy SpongySir SpongeBobStanley S. SquarePantsThe ManiacTodd SquarePantsSpongeBob's great grandmotherSpongeRobertSponge the HorseSquidBob TentaclePantsSquidBobRed SpongeBobMini SpongeBobOff Model SpongeBobSnailBob

Mermaid Man and Barnacle Boy (VE)
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