4:32W.D.Gaster Reacts to Echo an Undertale Animation by Voidless
22.9K views · Jan 4, 2019
Reacted to
[Undertale] ECHO - Animation
[Undertale] ECHO - AnimationReactions by W.D.Gaster Reacts
4:32
5:08W.D.Gaster Reacts to Judgement a Minecraft undertale music video
19.3K views · Mar 22, 2019
![W.D.Gaster Reacts to Undertale [Genocide AMV Animation] - Discord](https://i.ytimg.com/vi/DjsOOQYdhlQ/hqdefault.jpg)
4:06W.D.Gaster Reacts to Undertale [Genocide AMV Animation] - Discord
17.8K views · Jan 18, 2019
5:55W.D.Gaster Reacts To Way Deeper Down a undertale skeleton rap
15.5K views · Dec 21, 2018
3:59W.D.Gaster Reacts to STRONGER THAN YOU Chara Response
13.0K views · Nov 14, 2018
3:39W.D.Gaster Reacts to Stronger than you Sans version
12.6K views · Dec 21, 2018
4:03W.D.Gaster Reacts to STRONGER THAN YOU Frisk response
10.2K views · Nov 14, 2018
4:47W.D.Gaster Reacts to Wolf in Sheep's Clothing
10.0K views · May 25, 2019
3:44
4:33W.D.Gaster Reacts to Undertale animation AMV (Fallen Angel)
8.9K views · Jul 31, 2019
Reacted to
Undertale animation MV (Fallen Angel )
Undertale animation MV (Fallen Angel )
5:06W.D.Gaster Reacts to Entry Number 17 Dark Darker Yet Darker
7.3K views · Nov 27, 2018
Reacted to
Entry Number 17 - Dark Darker Yet Darker
Entry Number 17 - Dark Darker Yet Darker
4:55
5:14W.D.Gaster Reacts to UnderTale AMV - Feel Invincible
6.8K views · May 4, 2019
Reacted to
Undertale AMV - Feel Invincible
Undertale AMV - Feel Invincible
3:58W.D.Gaster Reacts to Determination an Undertale Parody
6.3K views · Mar 15, 2019
5:02
5:07W.D.Gaster Reacts to Bad Time Trio Meet Part 1 (Reupload)
4.8K views · Mar 14, 2019
Reacted to
The Bad Time Trio Meet [Part 1]
The Bad Time Trio Meet [Part 1]
3:38W.D.Gaster Reacts to Stronger than you Betty version
4.6K views · Dec 27, 2018
4:26Gaster Reacts to Uber Rap Battle Bill Cipher VS W.D.Gaster (And Annoucnement at the end)
4.5K views · Jul 10, 2020
3:13W.D.Gaster Reacts to UnderTale Animation Re: Incarnation by V0idless
4.0K views · Jan 8, 2019
Reacted to
[Undertale] RE:Incarnation - Animation
[Undertale] RE:Incarnation - Animation
5:15
3:30
3:40W.D.Gaster Reacts to STRONGER THAN YOU Gaster Parody
3.2K views · Aug 2, 2019
Reacted to
Stronger Than You- Gaster Parody
Stronger Than You- Gaster Parody
4:02
3:48
3:47W.D.Gaster Reacts to Bad Time Trio Meet Part 2
2.6K views · Apr 5, 2019
Reacted to
The Bad Time Trio Meet [Part 2]
The Bad Time Trio Meet [Part 2]