The scream comes from Demon Slayer: Kimetsu no Yaiba, the hit anime by studio Ufotable based on Koyoharu Gotouge's manga, which premiered in 2019. Inosuke Hashibira, the slayer who wears a boar's head, is famous for screaming himself into battle instead of thinking things through, so his battle cries became a staple of anime edit culture. Clips of his yells spread across TikTok and YouTube Shorts in rage memes, over-the-top reaction videos and shonen edit compilations, sitting comfortably alongside other dramatic anime screams. Even years later, editors still reach for his raw yell whenever a scene needs instant, unhinged intensity.