Mama Nootmare (A fanfic with the bad sanses) - Ancient Failure - Wattpad

Story cover for Mama Nootmare (A fanfic with the bad sanses) by Ravenpoint

Mama Nootmare (A fanfic with the bad sanses)

Reads 40,633
Votes 1,541
Parts 18
Time 1h 46m

Reads 40,633
Votes 1,541
Parts 18
Time 1h 46m

badsanses crosssans dustsans errorsans horrorsans killersans mamanightmare mamanootmare nightmaresans texttospeech undertaleau

A fanfic/story of Nightmare and children bad guys! 


All of the bad guys are children excluding Nightmare and Error. This is a story of Nightmare being a parent. I am terrible at stories so this may be terrible. 

I own none of the art or characters.All Rights Reserved

badsanses crosssans dustsans errorsans horrorsans killersans mamanightmare mamanootmare nightmaresans texttospeech undertaleau

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18 parts

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Given An Unwanted Second Chance by UndertaleFanatic981

(TW: unaliving thoughts and memories at the beginning. It gets better over time, don't worry! Trauma is difficult to overcome...) You didn't want a second chance. You didn't want to survive. You wanted the sweet release of death. But it seemed like the universe was far too cruel to allow you even that. It took away your memories, your free will to choose whether you live or die...hell, it took the one thing in life you owned! Your own name! And now it seemed like you had to live yet another cruel life, doing things you never wanted done to others. But...at least you could do things your way. Maybe this second chance wouldn't be so bad... (Reincarnated as Nightmare Sans, but unlike other stories, you have no clue what Undertale even is) (WE REACHED NUMBER 1 IN THE UNDERTALE TAG YOOOOOOOO) (9/13/25)

This life as Error Sans. by coolkidindahood

⪼A life where our beloved [Reader/REDACTED] died a very.. 'Fun' death. ⪼upon realizing their death, they'd realize that they reincarnated into error sans, a character they used to know as a kid. ⪼[REDACTED] Gained some friends that were on his side along the way, siding with the bad side of the AU's proudly. ⪼would [REDACTED] find out new things, new people, and keep up with their act? ⪼("SkReW yOu gOd!!1!".... huh?) ____________________________ ⚠︎{This story was made as a joke at first, the writing improves as time goes on. This story also contains swear words, No ships, And some grammar mistakes}⚠︎ ⪼(Cover made by me.) ____________________________ ⪼23/1/24 - #1 in Ink ⪼23/1/24 - #1 in Balance ⪼23/1/24 - #1 in Noships ⪼25/2/24 - #1 in Dreamsans ≫08/3/24 - #1 in Multiverse ⪼18/3/24 - #1 in Ausanses ≫29/3/24 - #1 in Inksans ≫30/3/24 - #1 in Undertale ≫03/4/24 - #1 in Reader ≫17/5/24 - #1 in Underverse ⪼24/6/24 - #1 in ErrorSans

Fallen (ErrorInk) by stillmirus

I dunno wut im doing, sorry if its bad ;~; Some Background: Most alternate sanses are attending a highschool, call the school whatever you like. This takes place in an AU thats not really an AU, seeing as there are no undertale characters. There is a "Gang" in this school, it is comprised of Nightmare, Error, Cross, Killer, Horror, and Dust. Everyone is afraid of them, except for the Star Sanses. Eventually, one of the star sanses, Ink, is able to befriend one of the bad guys, Error. Error starts to develop feelings for the artist, but, when something bad happens to Ink, error wonders if he'll ever get a chance. {This is an extremely slow-burn! You have been warned.}

The sweet lilac behind the cold cyan by Scrip-Doodle

What if the corruption that invaded Nightmare's mind after eating the apples disappeared? When he woke up after a long sleep Nightmare found himself in a place he didn't know. He couldn't sense his brother or mother anymore and was covered in some weird goo. The last thing he remembers was the fight he had with the villagers that wanted the apples. Will he be able to go home back to his family? Does he even truly want it? This fic had been inspired by little-inky night switch Au! I can only recommend you to see their art!

The Boy Who Doesn't Speak (Sans AUs) -- BEING REWRITTEN by SKSuperKitty

For some reason, Ink, the Creator and Protector of the Sans AUs, has decided that some of the Sanses of the Multiverse should go to highschool again. Honestly, no one really liked the idea, especially the Bad Sanses, including Ink's enemy, Error. Prince Nightmare is one of the AUs that must repeat these years of treachery. He basically only finished his actual highschool, and is NOT looking forward to having to do it again. Luckily his brother, Prince Dream, will be coming along the journey beside him. But Nightmare and Dream Are polar opposites, so Nightmare can't really get along with his brother's friends, nor Dream get along with Nightmare's, if he had any. With rules to follow and secrets to keep, Nightmare must go through highschool and not let slip the terrible things that happen at home. But then suddenly the two princes disappear. There's no trace as to who might've taken them, either. The only one that doesn't seem concerned is their own father, the king. King Sun-Beam. What is he hiding underneath all of those jewels and fake smiles? A/N: There is lemon/smut. So all you innocent people out there-- don't worry! Because I warn you at every chapter, and right before it happens. I designed the cover, but did the not the amazing artwork of Nightmare Sans. So credit goes to that person for the art. :D Update!!!!: This story is being rewitten. I'm making another book that'll just be this one but a little different. Once that's posted, I'll make another "chapter" in this one, giving a link to the rewrite. Thank you to everyone who still reads or checks up on this book. <3333

CRIMINAL AMNESIAC by MissUnpopularOpinion

When Dream loses his memories after receiving severe head trauma in battle, Nightmare and his team choose to take advantage of the situation...

To Kill A Killer by RoseAurum

Nightmare's gang always knew that their job was risky, but they never expected to actually die. Then Killer was killed. Nightmare found a replacement quickly enough, but this new Killer isn't the same as the old one, and the gang are having a hard time adjusting. Inspired by a comic by darkxsoulzyxcaliberx. Something New belongs to rahafwabas. Dusttale belongs to Ask-Dusttale. Dreamtale belongs to Joku. Horrortale belongs to Sour-Apple-Studios. Xtale and Underverse belong to Jakei. Underswap belongs to p0pcornPr1nce/the Undertale AU community. Ink!Sans belongs to Comyet. Any other characters and AUs mentioned belong to their original creators. All art by me. A huge thank you to my partner for beta-reading.

Brotherly Trouble [COMPLETE ✔] by tRaSh_4U

After Dream falls into the darkness, they then team up with there brother in some trouble. Destroying multiverse but Nightmare realized that he only want to be with his brother. While Ink, Blue, Fell, Cross, and Sans want there friend Dream back as Shattered destroys everything they love. Has Reached #1 In ShatteredDream

The Cruel Prince Against the World by UTMVNightLight

An alternate universe, with beginnings, endings- A story where Nightmare starts it as the cruel prince. And a story that shall continue on, weaving into other's for lifetimes.

Distrust by BlackRoses839

Dust trusts his fellow Bad Sanses with his life, but when he gets betrayed he leaves the Bad Sanses and hides in the Omega Timeline. Dream and Cross do the best they can to help Dust, but Dust has vowed to never trust anyone ever again. This is based on the Rusttale multiverse so things may be slightly different than you expect.

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Slide 1 of 10

Given An Unwanted Second Chance cover

This life as Error Sans. cover

Fallen (ErrorInk) cover

The sweet lilac behind the cold cyan cover

The Boy Who Doesn't Speak (Sans AUs) -- BEING REWRITTEN cover

CRIMINAL AMNESIAC cover

To Kill A Killer cover

Brotherly Trouble [COMPLETE ✔] cover

The Cruel Prince Against the World cover

Given An Unwanted Second Chance

(TW: unaliving thoughts and memories at the beginning. It gets better over time, don't worry! Trauma is difficult to overcome...) You didn't want a second chance. You didn't want to survive. You wanted the sweet release of death. But it seemed like the universe was far too cruel to allow you even that. It took away your memories, your free will to choose whether you live or die...hell, it took the one thing in life you owned! Your own name! And now it seemed like you had to live yet another cruel life, doing things you never wanted done to others. But...at least you could do things your way. Maybe this second chance wouldn't be so bad... (Reincarnated as Nightmare Sans, but unlike other stories, you have no clue what Undertale even is) (WE REACHED NUMBER 1 IN THE UNDERTALE TAG YOOOOOOOO) (9/13/25)