ET Bilu became a well-known figure in Brazilian internet culture after a supposed alien sighting video spread online and was widely shared, remixed and parodied. The name stuck as shorthand for a small, mysterious extraterrestrial, and the clip found a second life in memes, reaction videos and short edits far beyond its original context. Its lasting appeal is its brevity and strangeness: listeners recognise the reference immediately, even without seeing the original footage, which keeps it useful as a quick joke about aliens, mysteries and unexpected discoveries.