Tyrantus

From WoWWiki

Tyrantus is a huge, black, level 71 devilsaur found wandering around in Eco-Dome Farfield in Netherstorm. The devilsaur will regularly fear, which is dangerous because you can easily be feared into the many Scytetooth Raptors which populate the Dome. Since it is non-elite, it is considered among most 70s to be easy to solo kill.

As a Quest Objective

The quest,  [70] Overseeing and You: Making the Right Choices, requires Tyrantus's hide along with 10 Knothide Leather to create the Booterang. The Hardened Hide of Tyrantus drops off of Tyrantus once you kill it.