Freddy Krueger first appeared in Wes Craven's A Nightmare on Elm Street in 1984, played by Robert Englund as a burned killer who attacks teenagers in their dreams. His mocking laugh became one of the character's signatures across the long-running film series, instantly signalling cruelty and dark humour rather than simple fear. As horror clips spread on video platforms and soundboards, the laugh was lifted out of its scenes and reused as a standalone reaction. It remains popular at Halloween and in horror memes because it is recognisable within a second, even without any picture.