Kage Bunshin no Jutsu is one of the signature techniques of Naruto Uzumaki in the Naruto anime and manga series, where the user creates solid, physical copies of themselves to fight, train or trick an opponent. The technique became a defining part of Naruto's fighting style early in the series and a favourite moment for fans to quote and remix. As anime editing spread on TikTok and YouTube, the short activation sound became shorthand for duplication and multitasking, alongside other iconic jutsu sounds like the Mangekyo Sharingan.