Unknown Sound in clip

Scary Pop Up - Unknown Sound in clip is a screamer video uploaded by the YouTube user ThePopUpVideos. but at the end of the video, a demon child from the film Dead Birds appears with a scream.

Link
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=ND6xzsdbPIYDownload_sonic_x_exe_amy_rose_porn.jpg