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* Have you thought about a world where everything is exactly the same...
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Forgotten Throwbacks is an Undertale AU that casts characters from television series and films that can generally be remember from childhood by some people, with the exception of Creepypasta, as Undertale characters.

The Story

EncounterExclamationBubble.png ATTENTION: The "Story" section is supposed to contain links to the specific pieces of story, not a summary of the plot. Please add links that lead to the story so that all available sections are available from this wiki. Thank you.

The story of the AU is set in a time where forgotten characters were locked away deep underground whenever the fond childhood memories of the people who once knew them while they were young faded away. SpongeBob, an iconic character who plays the role of Frisk, enters the mountain where the forgotten ones were hiding and will make friends with the characters to help them reach the surface and be remembered once again.



  • SpongeBob SquarePants as Frisk
  • Bootleg SpongeBob (SpongeBob Dumped Bootleg Creepypasta) as Chara
  • Loonette the Clown (The Big Comfy Couch) as Toriel
  • Kuzco (The Emperor's New Groove) as Asgore
  • Eeyore (Winnie the Pooh) as Napstablook
  • Sagwa Miao (Sagwa the Chinese Siamese Cat) as Sans
  • Dongwa Miao (Sagwa the Chinese Siamese Cat) as Papyrus
  • Bessie Higgenbottom (The Mighty B!) as Undyne
  • Keswick (T.U.F.F. Puppy) as Alphys
  • Bunnie Rabbot (Sonic SatAM) as Mettaton
  • Jake Spidermonkey (My Gym Partner's a Monkey) as Muffet
  • Barney the Dinosaur as Flowey
  • Max Goof (A Goofy Movie) as Asriel


  • Ping (Kung Fu Panda) as Grillby
  • Monster House (Monster House) as Mad Dummy
  • Care Bears as Temmie
  • Chowder (Chowder) as Monster Kid
  • Peppermint Larry (The Marvelous Misadventures of Flapjack) as Burgerpants
  • Captain K'nuckles (The Marvelous Misadventures of Flapjack) as River Person
  • Jake Long (American Dragon: Jake Long) as W.D. Gaster
  • Kat (Kid vs. Kat) as Annoying Dog
  • Zim, Gir, Minimoose, Tallest Red and Tallest Purple (Invader Zim) as Gaster Followers
  • Jumba and Pleakley (Lilo and Stitch) as Royal Guard 01 and Royal Guard 02
  • Mr. Nervous (The Mr. Men Show) as So Sorry
  • Classic Nicktoon Characters as Amalgamates


  • The AU was originally named "Tale of Underrated Classics", but was later renamed to "Forgotten Throwbacks" as more fitting title.
  • Some characters had to be changed several times before the creator made his final decision on the replacements.
  • Sagwa, Keswick and Ping kept their usual replacement roles as the AU developed.