The venerable head librarian of Miskatonic University and the primary protagonist of The Dunwich Horror. Perhaps accidentally Armitage, a frail and ailing man, as well as his adversary, a near-invincible unseen monstrosity from another world, are the perfect archetypes of Lovecraft's view of humanity versus the horrors of the universe at large.
Also, here's the list of what I've completed for my artbook and how much is left to go--yikes!:
Also a study I on the ipad of hairy, long-armed gnophkehs for an illustration I'll be starting tomorrow: