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...
This is what you came for (RWBY x Undertale Reader) by aspietale
#4
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...
Completed
A Fatal Schnee Has Occured (On Hold) by RestoringAlphatale
#5
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...
Child of the Void (Gaster! Reader x RWBY x Highschool DXD) by KyogreKing120
#6
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...
Abandoned male Reader Gaster X Ruby Rose X Blake Belladonna by Al1enF0x
#7
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...
Highschool dxd x male Gaster reader by Dragonslayerking
#8
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
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
remnant's terror by Taioru
#10
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.
Light in the Dark (Gaster X Reader) by SpiritWolfNura
#11
Light in the Dark (Gaster X Reader)by Kyran Wolfe
He went blind in a freak accident at the lab. Now all he 'sees' is darkness. Until.. he meets you.
Completed
Reborn as gaster but as a human too? by KarmaAkabane425
#12
Reborn as gaster but as a human to...by Karma Akabane
What if when gaster fell into the core and his soul shattered...what if he was reborn as a human that had knowledge from there first life from our own world? What if...g...
A Jaded Emerald [NOT LOOKING FOR ART COMMISSION] by KTama20
#13
A Jaded Emerald [NOT LOOKING FOR A...by Kisa Tamao
After dying young in the human world, Harry Potter reborn as a skeleton monster, is found and raised by Sans and Papyrus. As resets begin and memories fracture, the smal...
To Hell and Back (Gaster x Reader) by xsfolia
#14
To Hell and Back (Gaster x Reader)by everail
"What's that look for? Are you perhaps unhappy to see me?" "Oh no. Oh no, quite the contrary, my love. I've craved to be with you for the longest time&quo...
Completed
(Sans x Reader) When Two Souls Meet by ZanaBSparrows
#15
(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
The Skeletal Hero: Karmic Judge by A_Toast1
#16
The Skeletal Hero: Karmic Judgeby A_Toast
Complete! The player has just finished fighting sans and has left him to die. As sans turns to dust he sees a flash of light before everything goes black. He then wakes...
Dragon of Destruction by LunarFlower693
#17
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...
Press Any Button ( Player Male Reader X Undertale ) by Derrius961
#18
Press Any Button ( Player Male Rea...by Derrius961
I don't own Undertale or any images.
Completed
No One is Happy with This (Undertale) by ANinnyMouse42
#19
No One is Happy with This (Underta...by ANinnyMouse42
~o0o~ Book 3 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book two: "A Name to Remember") Two years after the Barrier...
Completed
Royal Blue by dealialestina
#20
Royal Blueby Spilled-my-coffee
Sans knows a lot about secrets; he hides many. But when old burdens emerge from the darkness, secrets, new and old, put his brother in danger; and what else can a good b...