Petey Yar

Petey Yar was a human who was located outside the Magical Menagerie in Dalaran during the patch 7.2 PTR. He allowed players to test flying on the Broken Isles. He was removed during a later stage of the PTR.

Quotes
You there! Won't you help us testing flying in the Broken Isles?

To sweeten the deal, I'll also grant you your class mount quest!

What do you say?