Shao Kahn is the emperor of Outworld in the Mortal Kombat fighting game series, first appearing as the final boss in Mortal Kombat II. His exaggerated, villainous laugh became one of his signature traits across later games, trailers and gameplay clips, where it signalled domination and contempt for his opponent. As Mortal Kombat clips spread on YouTube and TikTok, the laugh was lifted out of gameplay and reused as a standalone reaction sound. It remains popular because it instantly communicates arrogance, power and a dramatic, comic-book villain presence.