"Beware the man who speaks in hands"

I love Gaster. We may know nothing about him, but that leaves so many possibilities for us to explore! Personally, I really like the theory 'bout Gaster being Sans and Papyrus' father. It just seems to work. *w*

The front sentence says "Hello, I am Dr. Gaster" and the back says "Wait... You can see me?"

#SonicStar #BestOfSonic #Undertale #WDGaster #Gaster #WingDing #Grayscale #Skeleton #SonicDoesUndertale