The good Doctor Gaster.
 
		
 what-the-floofin:  Learning ASL, and Gaster’s helping. He’s
 
		
 All the Gasters I made in the last 2-3 hours. Jfc it’s like
 
		
 Haha look at how crappy this bg is :”D plus Gaster has lil’
 
	
		
 As I said (and hey, it’s 9 AM now and I haven’t slept whole
 
		
 Fusion or smth, prolly just possession tho of my version of Gaster
 
		
 A bunch of Gaster doodles, he’s so much fun to draw
 
		
 thebigmonstersucc:  I drew @ksuriuri body horror gaster in a
 
		
 So yeah, this is my concept art for raging Gaster [upper pic,
 
		
 zelka94:  Gaster for my bby @ksuriuri. I uploaded this 2 days
 
		
 Wrist hurts > decides not to draw today > has an idea >
 
		
 even-the-dog-is-a-bomb:  some pixel gasters p2 because i can
 
		
 Wanted to do some more Undertale fanart, so here’s Sans and
 
		
 ssweetart:  swag-bird:  ssweetart:  swag-bird:  ssweetart:  I
 
		
 what-the-floofin:  Learning ASL, and Gaster’s helping. He’s
 
		
 fluffymilktea:    [1]  [2] 3-5 Decided to update early. The
 
		
 iamnotamuffin:  some lil Gaster doodles. Gaster x Donut otp 2k15
 
		
 reseting4sinning:  thank gosh i’m not the only one who feels
 
		
 junkpilestuff:  Gaster!sans x Gaster!sans based on sketch in
 
		
 airamkp:  airamkp:  * you won’t get away .. !* ?! Part 2 of
 
		
 junkpilestuff:  atomicshitpost:  ‘Is there anything I can do
 
		
 leeffi:  i’ve been on a gaster kick lately, so i sorta went
 
		
 tickclockclocks:  Gaster!skelebros by @borurou.I want to see
 
		
 chaotichero:  * BROTHER! A… ARE YOU OKAY? WHY ARE YOU CRYING?*
 
		
 hikaru-kitten:  swidesipe:  what if smol gaster. what if gaster
 
		
 mikey-ho:  Undertale doodle BGM :   椎名林檎 - 長く短い祭  
 
		
 abadtime:  meammy84124:  I think I’ll post Gaster first. 
 
		
 nyublackneko:  Continuation from @junkpilestuff ‘s AWESOMELY
 
		
 v0idless:  Gaster!Sans - THANK YOUThank you for over 666 Followers
 
		
 sanssserif:Ok but I really like the science daddy Gaster theory
 
		
 nyublackneko:  Came up with this comic when I learned that Gaster!Sans
 
		
 miya-sheep:  starshoop:  So many evil Gasters…have a doofy
 
		
 bongdari37:  Gaster Gaster 
 
		
 spokenwithhands:   “it’s the  c u r s e  in my bones .
 
		
 tripletrickster:  Come follow me into the void. [x] If @myrobotlandlord
 
		
 what-the-floofin:  Learning ASL, and Gaster’s helping. He’s