The Man With a Gattling Gun for an Arm. He and his accomplice (whose name is yet unknown) have presumably both been hired by the Lord Chancellor to track down his daughter, the Lady Corbridge.

Our Heroes met him for the first time aboard the Austere?, and bumped into him a second time, late at night, out on the ice packs which surrounded the ship. He had been shooting wildly into the darkness, although when asked what he was doing he said he was simply out enjoying the night air.