The Tyrannosaurus rex roar became a pop culture staple after Jurassic Park in 1993, where the sound design blended animal recordings to create a roar no real dinosaur recording could provide. Short epic versions later spread through trailers, games and meme edits, where the roar works as instant shorthand for a massive predator arriving. Creators keep reusing it because audiences recognise the meaning in under a second, even without seeing a dinosaur, and because the low growl still feels powerful on small phone speakers.