Coolkidd originated as a notorious Roblox exploit-era character and was reimagined as a killer in Forsaken, where milestone skins reward long playtime with a character. The MS4 idle loop is part of that presentation, giving the highest milestone look its own waiting animation and mood. Like the ROBLOX oof, it spreads because Roblox players instantly recognise the game from audio alone. Fans rip idle loops for showcases, tier lists and edits, keeping even background sounds from popular skins in circulation long after a match ends.