It's finally finished!
As an avid WoW player and fan of the Tyrael's charger mount I just had to do this. The armour isn't 100% accurate (no belly armour) but to make it look decent I had to take some artistic liberties.
The body is based off of Big Macintosh, using the vector made by
Tyrael / Tyrael's Charger is (c) Blizzard
MlP:FiM is (c) to Lauren Faust and Hasbro
Art is (c) to