3:48 Undertale OST - Gaster's Theme? 1:37 Gaster's Theme (OST Version) - Undertale 3:23 UNDERTALE - Gaster's theme [ 8th Anniversary ] 5:07 The Man Who Speaks in Hands: PHOTON READINGS NEGATIVE - RednasVGM [UNDERTALE - GASTER THEME] 1:48 What If Gaster's Theme Was a Full Song? 0:27 Gaster's Theme on an out of tune 1920s upright 5:05 Glitchtale OST - Vantablack [Gaster's Theme] 0:24 dialtone reversed = gaster theme and more gaster connections with freedom leitmotif 1:57 DEALBREAKER (Weird Route Spamton Theme) 1:30 Gaster's theme in \"Nyeh heh heh\" ...? 4:10 Gaster's Waltz (☼︎☜︎✞︎⚐︎☹︎✞︎☜︎) 0:45 I'm Wing Gaster but GREEN!?? || Undertale animation 2:24 Конец на данный момент (Третья боевая тема Святилища) 11:02 All Redraws i found of that Viltrumites Panel from Invincible 2:52 KillyKid - Gaster Theme Remix (Official audio) 2:01 REMAKE: Gaster's Theme (Undertale) 3:43 [Undertale] Gaster's Theme Remix - W. D. Gaster's Megalovania (amella Remix) 4:30 Entry Number 17 - Dark Darker Yet Darker 0:35 Undertale - Gaster's Theme 3:00 Underverse OST - Rekindle [XGaster's Theme] 4:00 YOUR FAULT | DELTARUNE Chapter 6 UST (Snowgrave Gaster Final Boss Theme) [666/6] 4:46 Undertale - Gaster's Theme 【Intense Symphonic Metal Cover】