Stefan

Stefan is a radioactive Ghoul who was captured, imprisoned and experimented upon by the mad scientist, the Surgeon. He is caged inside the CEO offices of the Red Racer Factory in the Capital Wasteland.

Bugs
Talking to Stefan whilst wearing the Ghoul Mask (received via the Tenpenny Tower quest) results in greeting you without hostility. His voice is also unique, suggesting he may have at one time been intended for use in a quest.