The evil laugh, known in French searches as rire maléfique and rire démoniaque, is a long running stock trope from theatre, animation and horror films rather than a clip from one identifiable source. Villains have used the exaggerated cackle for decades to signal a plan succeeding, and the short form became a staple of soundboards, memes and short videos. Its familiarity makes it instantly readable across languages, which is why creators still reuse it for parodies, Halloween posts and ironic villain moments online today.