Don't know what you mean on the shadow creature, his(what i believe) is the ant/spider like look his real appearance.
On the author having both extra fingers i feel it's just one to show the uniqueness of having on your hand an extra 6 finger. As i mention before some say this character is the author but i do believe he's a red herring but he was involve with the author in someway
You'll never get credit for my discovery,Who's going to believe a talking head? Get a job in a sideshow*Herbert West*
Deadpool: They replace Megas XLR for this!? Man where’s the world coming to