Place this clip at the reveal point of an edit, after the setup shot and before the reaction lands. Follow it with a fnaf jumpscare scream for a full scare, or precede it with a danger alarm meme for building dread in horror edits.
Über diesen Sound
This is a short, roughly two-second evil laugh tied to Sonic.exe, the horror version of Sonic, delivered as a high, manic cackle rather than spoken words. It feels creepy and unsettling, turning a familiar character sinister and making listeners expect something wrong is about to happen.