Kazuko is a 21-year old fox
Kazuko the Fox
As a kid he helped Sonic,Manic,and Sonia after the episode "Six is a crowd" they went their seperate ways.
One day while looking for a chaos emerald on West Island (for a LONG time) He had stumbled upon a Fox that had been picked on. He defended the fox,due to his nature,the Fox had introduced himself to Kazuko The foxes name was Miles Prower but Miles preferred the nickname "Tails" they had become good friends until Kazuko turned eleven and left the island.
During ages 11-16 he had started studying on an ancient book that was said to hold Information on Everything in the Multiverse.One day it was stormy and Kazuko had been heading home and lightning striked right in front of him,he stepped in the portal and found the book that he had been researching he opened it and started reading "This is the book I've been searching for!" however the book had then closed and wouldn't open Kazuko had tried to get it open for years but couldn't.Later he met a fox named Deraj,they had talked a bit,the sun had started going down so Kazuko went into a building,It had started Raining so Deraj had come into the building,at the same time Kazuko had thrown the book at the door in anger Deraj caught it and suddenly the book had open,Kazuko,From then on , had devoted his life to finishing the book.
He has an I-don't-care personality,when he was a child however he was very enthusiastic and happy,He only gets scared if he's facing an opponent many worlds above him (take Solarius Flare for example)
He has control over most elements except Darkness Light and Lightning
Miles "Tails" Prower
Metal Sonic (Rival/Enemy)