The Book of Biff is a one-panel Web Comic written and illustrated by Chris Hallbeck. It details the mis-adventures of Biff, a human-like being with a bizarre mouth and intense eyebrows. Updated every weekday, the comic is unique in that Biff never speaks, and no explanation is ever given to the origin of Biff, his strange powers and gadgets, or the fact that he's apparently Immortal. Tropes: