Red: Very smart and very vengeful. Grabbing one of its many tails could result in a 1000-year curse.Yellow: According to an enduring legend, 9 noble saints were united and reincarnated as this POKéMON.Gold: Some legends claim that each of its nine tails has its own unique type of special mystical power.
Prof. Lotus' Notes: Ninetales is a portmanteau of nine and tails (corruption of tails). Ninetales is derived from Japanese folklore of a Kitsune, more specifically 九尾の狐 - Kyubi no Kitsune, or 9 tails demon fox. 9 tails is the maximum a demon fox's tail can split into, and it is said that this is when it's magic is most powerful; think 9 tails demon fox from the Animé Naruto.