Also known as a shadow man, the thing is a enemy in act 3, as well as the final boss(both the enemy and boss versions of him look the same).
Spawn eggs and a empty gun.
also has deserts.
Boxes, multiple colored blocks for the house, And gray block for Dimention.
He want's to kill you. Fair enough.
Exactly what it sounds like, Your worst nightmare cranked up to 100%.