Appeared today with the Noblegarden event for the first time, and costs x100 Noblegarden chocolate to purchase from the vendor.
The pet is not tradable, so you have to farm it yourself.
Being alliance, I tried out the egg hunting sites and found Azure Watch in the Draenei starting zone to be very good. Even with high competition, it was easy to rack up the chocolates needed. Compact camp, just circle around the buildings and they are easilly spotted, very high respawn rate. I found it way better than goldshire or dolanaar.