Mort is the tiny, excitable mouse lemur from DreamWorks' Madagascar films, a loyal follower of King Julien whose earnest devotion often turns into comic panic. His crying has become a familiar reaction sound online, shared through meme edits, soundboards and short videos where creators use it to exaggerate sadness over small disappointments. Because the voice is so distinctive and the character is widely recognised from the films, the clip works without explanation, and it continues to appear in reaction videos and gaming content whenever a moment calls for over-the-top, cartoonish despair.