Alternate-Universe SpongeBob is a character that is seen in the episodes "Wet Painters," "Chimps Ahoy," "Ghost Host," "Squid's Day Off," "Something Smells," "SpongeBob LongPants," "The Algae's Always Greener," and "The Abrasive Side." His best friend is Alternate-Universe Patrick.


He is seen through Mr. Krabs' mirror when SpongeBob tries to figure out how to make Mr. Krabs not see the painted dollar but leaves when Mr. Krabs comes home, telling SpongeBob "you're on your own pal." In "Something Smells," SpongeBob's breath smelled bad in which he broke the mirror. Patrick invented his own Universe in "Chimps Ahoy," but SpongeBob thought it was just a mirror. Alternate SpongeBob's Universe might be the same one Plankton visited in "The Algae's Always Greener."

He also appears in "Squid's Day Off" saying "I will destroy the Krusty Krab!," as the result of Squidward's paranoia that SpongeBob will damage the Krusty Krab. He also gets eaten by a monster in "Ghost Host" as part of a long-string of jokes by the Flying Dutchman to scare SpongeBob.

His most recent appearance was in SpongeBob LongPants, where it is probably the same character that appears in Wet Painters, and Chimps Ahoy.


SpongeBob SquarePants (Clone)

SpongeBob and AU SpongeBob are a lot alike. However, AUSB didn't help SpongeBob in "Wet Painters," and acted more dramatic in "The Algae's Always Greener." Not much is known about this relationship, as AU SpongeBob is a minor character.

Patrick Star (Friend)

AUSB is sort of nice to Patrick, saying his idea was a pretty good idea in the only time they really interacted.

AU Patrick (Best Friend)

AUP is a lot like Patrick, and AUSB is a lot like SpongeBob, so the viewer can assume they are best friends as well.


  • "You're on your own, pal." to SpongeBob
  • "Well, I thought it was a pretty good idea." to Patrick
  • "I'm gonna make you eat those words, Krabs!" to Alternative-Universe Krabs
  • "Eh, eh, eh..." to Alternate-Universe Plankton
  • "I will destroy the Krusty Krab" to Squidward


  • Alternate-Universe SpongeBob is arguably the most appeared Alternate-Universe character to appear.
    • This is probability because he is the Alternate-Universe version of the character with the most appearances to date: SpongeBob SquarePants.
  • Unlike most Alternate-Universe characters, Alternate-Universe SpongeBob isn't shown to be truly evil (though in "Squid's Day Off," he threatened to destroy the Krusty Krab).
  • "The Algae's Always Greener" is the only episode to feature Alternate-Universe SpongeBob without the Main-Universe SpongeBob.

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