Credit goes to MathewMii and a special thanks to ShinKitsune for the use of his sona.

Mercury heard about the Fall issue of Crinklez Magazine and auditioned, they were going to give a diaper to advertise, but he saw a cute Kitsune and decided to advertise him instead. They gave him the front cover, because he looked good, and so that they don't end up as merchandise.

Lugia belongs to Game Freak
Mercury belongs to Me
Fox sona belongs to ShinKitsune