My Pishal Stav, Thorin.
He's sworn enemies with my Ilschi stud, Smaug (if you couldn't tell by the names).
He hasn't been ridden under saddle yet but is quite accepting of his rider on his back without gear, so probably won't mind with the gear.

Pishals & Thorins design (c) ReaWolf on deviantART
Thorin & Image (c) myself