SMG4 is an Australian YouTube creator famous for his chaotic Super Mario parody series, which has run since 2011 and built a huge library of exaggerated cartoon sound effects. This particular scream is considered rare because it appears far less often than his trademark yells, making it a favorite find for dedicated fans who rip and share clips on soundboards. Like many classic scream meme sounds, it spread through meme edits, gaming montages and reaction videos, where its over-the-top panic still lands perfectly.