Tailed Beasts, known as Bijuu in Japanese, are powerful creatures in the Naruto anime and manga series. Each Tailed Beast has a unique number of tails, ranging from one to nine, and possesses immense chakra, making them formidable in battle. They are often sought after for their abilities and are central to various storylines within the series. These creatures were originally created from the chakra of the Ten-Tails, a primordial entity. Tailed Beasts can be sealed within humans, known as Jinchuriki, granting them enhanced powers but also causing significant challenges. The relationship between Tailed Beasts and their Jinchuriki is a key theme in the series.