Berrigan was a young man who worked at Obsidian Waste. He was the brother of Camira, and an Australian of Aboriginal descent.

When first introduced in Keys to the Demon Prison, he was under the hold of a narcoblix. This was soon discovered, and the hold was broken by one of the others. He was saddened by Camira's death, as well as angered by the fact that she had betrayed the preserve.