HeroAbomination

[warcraftmodding123]

One problem is that it doesnt have the Cannibalize animation.

 

[StonemaulMidget]

To be fair, in the pre-beta, Blizzard did include a Hero Abomination simply called "Abomination." Over time, however, the devs nerfed the Abomination into being a normal unit.
~ Here's the link. If you scroll down until you see Undead Scourge on the left, you will see the name Abomination directly beneath.