Killoki is listed as a short soundboard clip associated with the name Tuğrap K., and that attribution is the clearest detail attached to it. Beyond that credit, no widely documented source work, character or release date is attached to the clip, so its identity comes mainly from how people have reused it online. It has circulated as a compact reaction sound for short videos, streams and messaging, where a brief, recognisable cue is more useful than a longer recording. Its continued use comes from that simplicity and its flexibility across comic, surprised and dramatic moments.