Gasterblaster Stories

61 Stories

Hybridtale (Papyrus X Reader) by SpiritWolfNura
#1
Hybridtale (Papyrus X Reader)by Kyran Wolfe
Sans and Papyrus' dad is the one and only Dr. WD Gaster. There mom is.. a werewolf?
The Bad Time Hero (Male Reader x MHA) by MegaMess21
#2
The Bad Time Hero (Male Reader x M...by MegaMess
YN Sans grew up wanting to be a hero. With the help of his best friends Frisk and Izuku, he aims to go to UA and accomplish that goal. Sans Male OC x Frisk
Sans new life in My hero academia by Msou38
#3
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
Gaster Blaster Sans by rcwiggins
#4
Gaster Blaster Sansby rcwiggins123
What is wrong with Sans, and who is Gaster? This is such a reused Description. Undertale belongs to Toby Fox.
Wild and Free by SpiritWolfNura
#5
Wild and Freeby Kyran Wolfe
Everyone thought all the monsters were sealed Underground, but upon making it to the Surface, a couple monsters nobody has ever seen before starts to make an appearance.
Completed
Hiding in Sight (Sans and Papyrus GB Story) by SpiritWolfNura
#6
Hiding in Sight (Sans and Papyrus...by Kyran Wolfe
Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...
Dragon!?||ErrorInk||//Discontinued//-Rewrite in Progress- by Odd_Undertale_Nerd
#7
Dragon!?||ErrorInk||//Discontinued...by Gaming_Flowey
Ink had a.. how do you word it? 'Odd' ? That's a good word, he had an odd dream. After waking up, since that day he's been having even more odd dreams. The Star Sans, In...
2 Sans and a Papyrus (Undertale story) by SpiritWolfNura
#8
2 Sans and a Papyrus (Undertale st...by Kyran Wolfe
W.D. Gaster never meant to fall in love during the war. But he did. It resulted in heartbreak, a pup, and a high LV. So he experimented. 10 years and no more kid. So he...
Completed
Spectrum *NOT MINE* by UnderDiscontinued
#9
Spectrum *NOT MINE*by Orphan_Account
(DISCONTINUED. GO TO THE ACTUAL AO3 WEBSITE TO READ OTHER CHAPTERS) https://archiveofourown.org/works/5350673 It's over. Frisk's journey has ended in the best way possi...
Completed
The Return of Gaster (Gaster Blaster Sans) by grubgo
#10
The Return of Gaster (Gaster Blast...by :(
[[UNDERTALE SPOILERS!!]] After frisk had done the pacifist run many times, something gone wrong... Flowey never showed up in the end. So frisk lived in the underground w...
Gaster Blaster Sans transformation comics and pics by YeeSans
#11
Gaster Blaster Sans transformation...by YeeSans
Mostly just pictures and some comics on Gaster Blaster Sans transforming or being a Blaster beast already. I do not own any artwork or au's shown in this book. Hope you...
I didn't think you could love a freak like me (Gasterblaster sans x reader) by epplaeinp
#12
I didn't think you could love a fr...by epplaeinp
A girl with a secret who meets a skeleton with the same one. Can they both control their fears and their forms for each other? or will one of them obtane the higher rank
Gaster Blaster Sans Pictures and Others by Iaclagg1
#13
Gaster Blaster Sans Pictures and O...by Iaclagg1
Basically what it says in the description... Just some pictures of Feraltale and BB Trust Au. Also some other pictures such as Temmie, Doomfanger, and The Annoying Dog...
How I Become A Goddess: Book 3 by SarahSmith4848
#14
How I Become A Goddess: Book 3by Sarah Smith
You can go to book one to see the first god if you want :)
Feraltale! Sans x Frisk by April_Gianttale
#15
Feraltale! Sans x Friskby April_Gianttale
Warning: this contains vore. If you don't like vore then please leave. Those who stayed, enjoy. Running through snow. "Help me!" " Fear" "It hur...
Completed
New Bones - Gaster Blaster Gaster Sans by GraceTheSeaGriff
#16
New Bones - Gaster Blaster Gaster...by Gaster Blaster Gaster Sans
Before the events of Undertale. . . All was well in the underground. A skeleton named Papyrus was training to be in the Royal Guard and his skeleton brother Sans was par...
Aftertale; Papyrus Edition (On Hold) by TheInternetCorner
#17
Aftertale; Papyrus Edition (On Hol...by Grace's Corner
First Draft The Player has taken over Frisk and is wreaking havoc Underground over and over and over. Sans has broken from the carnage and sacrificed himself to let Papy...
Sans and Papyrus  by XxAli-AxXForReal
#18
Sans and Papyrus by XxAli-AxXForReal
I'm writing a fanfic on the back story of Sans and Papyrus. P.S most of this is based on pure theory
Our story by DevilcornHD
#19
Our storyby Abbadon
It is about a little human girl who meets a scary looking monster that is actually very sweet. The two go on an adventure of a lifetime and meet new friends and fight e...
My Undertale Drawings!!  by HollowAngel10151
#20
My Undertale Drawings!! by Hollow Angel
Exactly what the title says! X3 enjoy! And if you want me to do and ink sans x reader I will! ( also the cover photo isn't mine)