Isaac O'Rourke was once the second-in-command of a wildcat horde, the Bloodrunners, under Captain Dorian Strykeclaw. His weapons are a long-bladed claymore with a basket hilt, a dirk, and a Sgian-dubh. He was exiled from the horde after failing to stop an attack. He speaks with a Highland accent. He has tan fur with dark brown tabby stripes, a tall, muscular build, and dark blue eyes.