Annabelle is the possessed doll featured in The Conjuring universe, especially the Annabelle spin-off films released in the 2010s. Sounds tied to the character spread through horror edits, short prank clips and fan-made scare compilations online. People keep using this laugh because the name Annabelle is already shorthand for haunted-doll horror, so even a brief audio cue quickly sets the mood. It remains popular in meme culture whenever creators want an instantly recognizable creepy sound without needing a long setup.