Morbus

Morbus, meaning Disease in Latin, was a goat-like demon and the secondary antagonist in Afraid of Monsters. It was born because of a ritual performed by members of the Bailey cult.

Appearance
Morbus is a tall humanoid with a goat head and a muscular human body. It is quite hairy, as well.

Afraid of Monsters
After Andrew Bailey and his following had escaped from the hands of U.S. Deputy Marshal Alex Colburn, they eventually decide to initiate their plans earlier than expected. Andrew stalks a house belonging to Benjamin and Sarah Waters and, after some time, break in and restrain them.