Character: taura
According to Wolfy-Nail's FurAffinity, the Chestnut Mare that shows up in some of his work is named Taura, and her creation is attributed to an individual called "StormWarrior", as seen here:
http://e621.net/post/show/68714/abs-breasts-equine-feathers-female-hooves-horse-li
Original:
http://www.furaffinity.net/view/3621252/
There are a few other places where she is referred to by name within Wolfy-Nail's FurAffinity:
http://www.furaffinity.net/view/3694007/
-This image's title clearly mentions the character's name.
http://www.furaffinity.net/view/3827980/
-This image identifies Taura, as well as the female canine "Yuki".