The Bunyip comes from Australian Aboriginal folklore, a water creature said to lurk in swamps and billabongs, and it appears as a frightening presence in Dot and the Kangaroo, the Australian animated film based on Ethel Pedley's story. In the film the creature's roar marks its power and otherworldly nature, setting it apart from the gentler animals Dot meets. Online, editors have lifted that single bellow as a standalone scare sound, using its length and deep tone for monster reveals, horror edits and dramatic reaction clips.