Tails, who is Sonic's best-friend and sidekick, first appeared in 1992 with the release of the video game Sonic the Hedgehog 2. Tails is a yellow-orange, two-tailed fox whose 'real name' is Miles ...

This leads Sonic, Tails, and Knuckles to work with Ivo Robotnik, the primary villain from the first two Sonic films. Ivo eventually betrays Team Sonic to join forces ... led to the death of ...