Temmie Undertale WikiTemmie Undertale is a adorable character present in the well-known game Undertale. Temmie Undertale captures the hearts of players with its irresistible appeal and endearing nature. The unique design of Temmie Undertale makes it distinguishable from other characters in the game. Meeting Temmie Undertale brings glee to players as they start their adventure through the game.