By Toby Fox tobyfox Bandcamp tobyfox Twitter toby.fangamer.com Other fwugradiation Tumblr.
Duration: 0:17.

Listen on YouTube.

Tracks that reference Gaster's Theme:

From Fandom:

• Spoopy Piano o-o; by bobthetacocat
• Gaster's Theme by Cristata

From Beyond:

• ANOTHER HIM by Toby Fox
• 🕆︎☠︎☼︎☜︎💧︎🏱︎⚐︎☠︎💧︎✋︎✞︎☜︎📪︎ ☼︎☜︎👎︎✌︎👍︎❄︎☜︎👎︎ by hywell and Cristata