Place it in the middle of a horror reveal, after a low warning cue and before the final scare. Open with the Inception Horn Sound Effect to set up the scene, let this clip carry the transformation, then cut to the FNAF Jumpscare Scream at the exact moment the character appears.
About this sound
This is the isolated, unedited audio for Crazy Wenda from the Sprunki fan-made music game, running for about seven seconds. Its harsh, frantic, distorted tones feel tense and unsettling, as if something familiar has suddenly turned dangerous. It comes from the game's horror-themed version of the character, whose darker look and sound spread through gameplay videos, animations and fan edits.