Gaster Stories

1.2K Stories

The man who speaks in hands {Gaster reader X Dragon Ball Z} by NULL_WRITES
#1
The man who speaks in hands {Gaste...by NULL
After an unfortunate experiment gone wrong, W.D. Gaster finds himself in a strange new world.. how will he get out of this one?
Undertale: giving soul by Author-Dayo
#2
Undertale: giving soulby Author-Dayo
This is a story before the last human fell around the time Chara was still alive and well. Humans were not being hunted till the adopted prince's passing, however with a...
Code of the Void: Rise of Deku by bugxrwosg
#3
Code of the Void: Rise of Dekuby bug
--- > In a world where only women are born with quirks, society treats men like they're worthless. Izuku Midoriya is bullied by his sister, ignored by his mother, and...
👎︎♏︎♋︎⧫︎♒︎ ♋︎■︎♎︎ ⬥︎♓︎■︎♑︎♎︎♓︎■︎♑︎⬧︎ by Firehedgehog
#4
👎︎♏︎♋︎⧫︎♒︎ ♋︎■︎♎︎ ⬥︎♓︎■︎♑︎♎︎♓︎■︎♑...by Firehedgehog
Harry Potter was master of death, he was use to ending in other universes/timelines. This time he ended up as a skeleton monster Remake of Death and wingdings om ao3 201...
Dragon of Destruction by LunarFlower693
#5
Dragon of Destructionby LunarFlower693
Error didn't know what to expect after being pushed into the Void. He didn't expect to be transformed into a teenager. He didn't expect to fall into a world full of drag...
Soul of a Weapon by SpiritWolfNura
#6
Soul of a Weaponby Kyran Wolfe
What if Sans only got Papyrus away from Gaster? What would happen if Alphys found him trapped years later? Can they teach him to be a normal monster, or will he forever...
Completed
This is what you came for (RWBY x Undertale Reader) by aspietale
#7
This is what you came for (RWBY x...by The Imaginator
Your name is (Y/N) but you go by Asterisk and you are traveling the multiverse trying to find the one who ruined your world and you think you have a lead and you follow...
Hold Still GXReader by EternalKimFlame
#8
Hold Still GXReaderby Flame
I walked along the street. Everything was perfectly normal. The sun was warm, a soft breeze swept through my short (h/c) hair. Then the sound of glass shattering reache...
Completed
SOULs {Fem! W.D Gaster X Male! Reader} by Archdrive
#9
SOULs {Fem! W.D Gaster X Male! Rea...by Herochurl
You are the elder brother of Frisk. I'll explain later. This book will not be updated for a while, sorry. Completed: December 2nd, 2020 SC Book# 12
Completed
Child of the Void (Gaster! Reader x RWBY x Highschool DXD) by KyogreKing120
#10
Child of the Void (Gaster! Reader...by KyogreKing120
A/n: I got some inspiration from another story, I'll try not to make it a carbon copy. Gremory Rose, to be exact. The forgotten child. The Cursed One. Such cruel names t...
A Fatal Schnee Has Occured (On Hold) by RestoringAlphatale
#11
A Fatal Schnee Has Occured (On Hol...by Brothers Forever
When Weiss Schnee Gets Hit by Cinder Falls Fall Maiden power she falls into the abyys and ends up in the anti void instead of The Ever After where she meets Error!San's...
Abandoned male Reader Gaster X Ruby Rose X Blake Belladonna by Al1enF0x
#12
Abandoned male Reader Gaster X Rub...by Mystery Fox
A Small child named Y/N L/N was born into this world with holes in his hands and because of this was abandoned long ago. for years he wandered the thick wilderness of pa...
Sans new life in My hero academia by Msou38
#13
Sans new life in My hero academiaby SAMA
In a world where heroes rise and darkness lurks, a unique girl named Sans finds herself thrust into the vibrant halls of U.A. Academy. With a mysterious past and the pow...
Completed
Undertale x male reader - Reborn  by kinder1000
#14
Undertale x male reader - Reborn by Kinder
The one that made it the furthest in the underground, perseverance. Perseverance had beaten almost all of the monsters in the underground from papyrus to sans and undyne...
remnant's terror by Taioru
#15
remnant's terrorby Taioru
rework of my story 'true fear'. I saw many flaws in the story, and with the skills I've gained since then, I'll make a better story.
Highschool dxd x male Gaster reader by Dragonslayerking
#16
Highschool dxd x male Gaster readerby Kinslayer
I don't own undertale or highschool dxd or anything else I add into it but I own my own ideas
The void in my heart (Gaster X Reader) by InaJSendie
#17
The void in my heart (Gaster X Rea...by InaJS
You're a human girl, living on the surface with Frisk, who is your younger sibling. You one day find two children, who's been chased away from neighborhood to neighborho...
Completed
No Chocolate - Chara X Frisk by phosphorus14
#18
No Chocolate - Chara X Friskby Mello
DRAMA, ACTION, BLOODSHED... Love? After erasing hundreds and hundreds of timelines, Chara is suddenly stripped of her abilities. She's forced to lead an everyday life i...
(Sans x Reader) When Two Souls Meet by ZanaBSparrows
#19
(Sans x Reader) When Two Souls Meetby Zana B Sparrows
Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...
Completed
Reincarnated as Sans twin brother  by Sansdoll123
#20
Reincarnated as Sans twin brother by Sansdoll123
The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the full...