Circus Baby is the animatronic star of Five Nights at Freddy's: Sister Location, where her sweet, childlike voice makes her unsettling presence even more disturbing. Her minigame scream has been shared by fans as a standalone clip, and slowed-down versions have since spread through horror edits, reaction videos and soundboards. Slowing the scream changes its impact completely, turning a brief shock into a lingering, distorted cry that suits creepypasta-style videos, FNAF theories and Halloween edits, which is why creators keep returning to it.