Apprentice Osterkilgr

Apprentice Osterkilgr is a vargul in the Underhalls in Icecrown. He is a laboratory assistant to Doctor Terrible, who carries out experiments on building flesh giants out of vargul parts.

Involved in quests
The player beats the apprentice up, then kills him.

The apprentice drops Dr. Terrible's "Building a Better Flesh Giant", that starts this quest.