Rewind is a crossover AU, placing characters from a variety of different cancelled children's cartoons (Timegap being 1999-2010) into the roles of Undertale characters.
About the AU
As stated above, Rewind is a crossover AU with various 2000s and early 2010s cartoon characters. Not much is known about the direct plot yet, as there is little to no story-related content as of now.
Not only are the characters changed, but various environments are also changed to represent various shows (Such as Snowdin being a completely different area inspired by Lilo and Stitch [Airtime: 2003-2006).
- Frisk and Monster Kid are replaced with Kai-Lan and Rintoo from Ni Hao, Kai-Lan [Airtime: 2007-2011]
- Flowey is replaced with a plushie of Spongebob from Spongebob Squarepants [Airtime: 1999-Present]
- Toriel, Asgore, and Asriel are replaced with Penny Sanchez, Rudy Tabootie, and Snap from ChalkZone [Airtime: 2002-2008]
- Napstablook, Mad Dummy, and Mettaton are replaced with Robotboy, Protoboy, and Robotgirl from Robotboy [Airtime: 2005-2008]
- Sans and Papyrus are replaced with parodied versions of Pikachu and Pinkie Pie from MAD [Airtime: 2010-2013]
- Undyne and Alphys are replaced with Ni-Pul and Ling Ling from Drawn Together [Airtime: 2004-2007]
- Chara is replaced with Pucca from the show of the same name [Airtime: 2006-2008]
- Nice Cream Guy and Burgerpants are replaced with Mickey Mouse and Donald Duck from Disney's House of Mouse [Airtime: 2001-2003]
- Doggo is replaced with Dedede from Kirby: Right Back at Ya! [Airtime: 2001-2003 (Japan)]
- Dogamy and Dogaressa are replaced with Dudley Puppy and Kitty Katswell from T.U.F.F. Puppy [Airtime: 2010-2015]
- Annoying Dog is replaced with Gordon from Catscratch [Airtime: 2005-2007]
- Grillby is replaced with Jake Long from American Dragon: Jake Long [Airtime: 2005-2007]
- Temmie is replaced with Gir from Invader Zim [Airtime: 2001-2006]
- River Person is replaced with Dora from Dora the Explorer [Airtime: 2000-2014]
- RG01 and RG02 are replaced with Yin and Yang from Yin Yang Yo! [Airtime: 2006-2009] They are also confirmed to have much larger roles than their canon UT counterparts.
- Muffet is replaced with Bessie Higgenbottom from The Mighty B! [Airtime: 2008-2011]
- Annoying Dog used to be Kat from Kid vs. Kat
- At one point, Temmie was Felix from Felix the Cat because the creator was obsessed with the "Het" meme at the time.
- Monster kid used to be Chowder from the show of the same name.