Monkey D. Luffy is the protagonist of One Piece, Eiichiro Oda’s long-running pirate adventure manga and anime. One Piece Bounty Rush is Bandai Namco’s free-to-play mobile team battle game where players fight as characters from the series using their signature moves and voice lines. Short voice clips like this one are ripped and shared because they are clean, punchy and instantly recognizable to fans. Creators keep using Luffy’s energetic shouts to add anime hype to edits, gaming videos and memes without needing any context.