Pillows can make a boring room fun and comfortable. Nerdy pillows can make a boring room fun, comfortable and...well...nerdy. And we're not going to discuss dirty pillows at all. But for the Supernatural fan, there are these Dean Winchester pillow covers, advertising the best pies and burgers in town. Sam and Castiel pillow covers are also available if you are into a whole theme on your couch. $28 for the cover (pillow forms are not included) at Unicorn Empire Prints.