Seven Demon Beasts

Seven Demon Beasts (七鬼獣, Nakijū) are seven powerful beast created by an ancient entity.

History
he Seven Demon Beasts were created by Rengokuki also known as the Zero-Tails, though the use of the "Synthesis of Yin-Yang" "(統合陰陽, Tōgō Onmyō)". Upon years of gathering enough dark chakra. The return and defeat of the Jubi and obtaining its current form. It began its plan to consume the world in eternal darkness, to do this, using a method smiler to the creation of the tailed beast, it split portions of its Dark Chakra into seven spheres. He then sealed the crystals into seven captured ninja, then tortured them allowing their hate, anger and fears to flow into the crystal along with it consuming the host's chakra. After several years of doing this, the crystals grew to the size of the Shukaku. Knowing that his creations were finally complete, he infused his dark chakra into the crystals one last time. This caused the crystal to morph into seven large beast each having a different skill. He then set out to find seven people capable of being the host of his creations.

Hinoenma
Hinoenma (飛縁魔) is one of the seven demon beast.

Qilin
Qilin (麒麟) is one of the seven demon beast.

Shishigami
Shishigami (獣神,Beast God) is one of the seven demon beast.

Ryūkotsu
Ryūkotsu (竜骨, Dragon Bone) is one of the seven demon beast.

Hitori
Hitori (人魂, Spiritual Fire) is one of the seven demon beast.

Tengu
Tengu (天狗, Heavenly Dog) is one of the seven demon beast.

Kishin
Kishin (鬼神, Demon God) is one of the seven demon beast.