The Rasengan is the signature technique of Naruto Uzumaki in the Naruto anime and manga series, a spinning sphere of chakra formed in the user's hand. Because the move is so closely tied to Naruto himself, its swirling charge-up has become instantly recognisable to anime fans worldwide. This version was created by Maicon de Oliveira as a standalone sound effect for fan edits and memes, rather than ripped directly from an episode. It continues to circulate on soundboards because creators want a clean, short burst they can drop into battles, transformations and jokes without hunting through full episodes.