Zelfrax

Zelfrax is a level 36 demon resembling a gargoyle that has taken over Witch Hill in Dustwallow Marsh, has risen the dead, and is driving mad.

Its death is the objective of Cleansing Witch Hill.

Quotes
When summoned:


 * yell
 * yell

Speculation
It is unlikely that Zelfrax is actually a gargoyle seeing as they are native creatures to Northrend and not demons. He may be a felbat.