If you’re a fan of anime and manga, then you definitely know One Piece. It’s a Japanese manga series by Eiichiro Oda, a world-renowned manga writer and illustrator. It was released nearly two decades ago back in July of 1997. Since then, the manga has been adapted into an anime series and OVA. There have also been numerous One Piece animated feature films and television specials. One Piece merchandise is also some of the best-selling items in all of anime.