Rollo is a member of a Norse Paganist hate group based in Norway.
After discovering two pieces of the Berserker Staff, Jakob Nystrom and Petra Larsen recruited Ador and Rollo into the Paganists. He and Ador then touched the staff to gain its power.
At their hideout, he assisted Nystrom in researching the location of the final piece. They discovered its location and traveled to Ireland. He was subdued by Grant Ward with the staff.