Kyubi

Origin
The Nine Tailed Fox along with the other biju were created by the former god Zukia Ojirot. Because of the creatures destuctive powers the god condemed them and their creator down to the earth. While Zukia lay dormant the demons scattered across the world wrecking havoc and destruction. The Kyubi being the most powerful biju attacked everything in it's path. Many years later it came under the control of Madara Uchia. With the use of his Mangekeyo Sharingan Zukia managed to control the fox and ordered it to attack the Leaf village. However the fox was defeated by the 4th Hokage and was sealed inside his newborn son Naruto. the kyubi's chakra now flows within Naruto and aids him in battle.

Powers
1. Nearly Limitless Chakra Supply

2. Incredible Strength, Speed and Stamina

3. Heal it's host wounds at an accelerated rate.

Relationships
1. Naruto (Current Host)

2. Uchia Clan (Deep hatred of)

3. Zukia Tojiro/ Zukia Orijot ("Father")

4. 4th Hokage (Defeated by)

5. Other 8 Bijuu (Brothers and Sisters)

6. Madara Uchia (Controlled him andd used him to attack Konoha)