The Tailed Beasts (尾獣, bijū), sometimes referred to as "Chakra Monsters" (チャクラのバケモノ, Chakura no Bakemono),[ are the nine titanic living forms of chakra created by the Sage of Six Paths out of the chakra from the Ten-Tails. They are differentiated by the number of tails they have, ranging from one to nine.

Naruto is a Japanese manga series written and illustrated by Masashi Kishimoto. It tells the story of Naruto Uzumaki, an adolescent ninja who searches for recognition from his peers and the village and also dreams of becoming the Hokage, the leader of his village.