Undertale Original Soundtrack OST Toby Fox Free Temmie Undertale is a cute creature found in the well-known game Undertale . Temmie Undertale captivates the hearts of players with its undeniable charm and endearing personality. The unique appearance of Temmie Undertale renders it distinguishable from alternative beings in the game. Meeting Temmie Undertale brings glee to fans as they begin their journey through the virtual world.