Brother Staal is a character in Wasteland 2.
Brother Staal is the munitions expert and is involved in the preparation of nuke grenades for the Mad Monks. He also dispatches volunteers to bring radioactive waste which he can use to prepare more nuke grenades. Over the years, he has developed radiation poisoning.
Staal will tell the Desert Rangers to bring him three containers of radioactive sludge, if they ask whether he needs help.