Gaster gets checked

Gaster theories be like [#undertale #sans #gaster]

Gaster tries to cheer up Vessel #DELTARUNE #GASTER #vessel

Gaster writing the prophecy

Gaster when you beat deltarune after doing snowgrave: GOOD... JOB. Gaster when you beat deltarune after collecting a single egg:show more

GASTER and the Soul #DELTARUNE

Gaster after Entry 17:

what i think about the gaster discourse

gaster showing trouble dingle to sans and papyrus

gaster testing dess’s corpse for his knight prototype

Why does this video have the Gaster motif

Gymskin gets shoulder checked in London & accused of... being wanted 🚨show more

this vid looks like gaster getting shattered across spacetime

WHAT REALLY HAPPENED DURING THE VESSEL CREATION.... #DELTARUNE #gaster #Vessel

White woman gets G checked after she attacked a... Black lady Walk of shameshow more

Drawing Gaster until he is revealed in Deltarune, day 20

gaster talking through kris's phone in the dark world

Since Gaster created Sound Test, I like to think... he also created Control Testshow more

Guys gaster sent me this shitty vent thread i... think we're fuckedshow more

i cant get over how gaster-esque this part is... its not even funnyshow more

what sans would post after gaster shows him his... sick sound test room beatsshow more