Kyubi

better known as the nine-tail demon fox that is emroisonned within Naruto, who is curse since the day he was born, kyubi would eventually help naruto*help is a big word* but if Naruto dies he dies too...so better help him and gave him the chakra he needs to survive. The Akatsuki are after Naruto for Kyubi. Kyubi was defeated by the fourth Hokage, whose the one who put the demon in Naruto. He want is liberty, like everyone would normally...cuz rememeber he's emprissonned within a 12 years olds brat!