This cheat will get you a easy ghoul pet.
(Recommended that you have the "Master of Ghouls" talent or your ghoul will only last for 2 mins.
First of all you must be a deathknight and you must be at their little starting place up in the sky.
Step 1: Go down to the area that has the training dummies.
Step 2: Hit the dummy a few times.
Step 3: Click the dummy and use Raise Dead on him.
You should now have a easy ghoul.