c00lkidd is one of the killer characters in Forsaken, a Roblox asymmetrical horror game where survivors try to escape while killers hunt them down. His punch attack became a recognisable part of gameplay clips because the short, forceful hit sound makes each connection easy to spot, even in fast, chaotic matches. As Forsaken clips spread across short-form video and streaming, editors began lifting the hit for their own edits, alongside other familiar Roblox sounds such as the Roblox oof, and it remains useful because a single punch can sell a joke, a fight or a sudden defeat.