Sprunki is a fan-made music game inspired by Incredibox, where players mix loops from colourful characters, and its horror mode reimagines those same characters as darker, corrupted versions. Black, the shadowy figure at the centre of that mode, became a focus for creepy fan edits and short videos shared across YouTube and TikTok. This clip circulates as one of the horror-mode sounds associated with him, and creators keep returning to it because it instantly signals the shift from playful Sprunki to something unsettling.