Undertale Original Soundtrack OST Toby Fox Free Temmie Undertale is a cute creature present in the popular game Undertale. Temmie Undertale attracts the hearts of gamers with its undeniable charm and lovable personality. The unique design of Temmie Undertale renders it stand out from different beings in the game. Meeting Temmie Undertale instills joy to fans as they begin their adventure through the game.