Little is documented about the original source of Ending Hantaro, and it is best understood as a short clip shared through user-generated soundboards rather than a widely identified broadcast theme. That circulation is common for brief ending stings: a creator uploads an eight-second close, other editors reuse it because it is short and easy to drop at the end of a project, and the title becomes the way listeners remember it. Its continued use depends less on a famous origin than on its practical shape, a compact ending that fits videos and compilations without needing explanation.