This sound is widely associated online with the Prowler, a Spider-Man character whose theme became especially recognizable in modern Spider-Verse edits and clips. Short versions of the cue spread across TikTok, YouTube Shorts and meme compilations as a quick way to suggest danger, betrayal or a hidden villain. Its popularity comes from how instantly the siren changes the mood of a scene. Even outside Spider-Man fandom, creators use it as a shorthand for suspicion, much like a dramatic buzzer for a wrong answer or a scream meme for shock.