Paul Bunyan was a giant lumberjack who was generally depicted as working in the Midwest forest. Tall tales of Bunyan depicted his giant size and superhuman strength. Many tales features Bunyan with his blue ox, Babe.
Good reference/inspiration for how facial elements can be 'pushed' in abstract ways to give me interest and differentiation to characters. Could be excellent for this project and even gives ideas to cross over into animal faces.