In Japanese folklore, an oni (鬼) is a fearsome ogre – the embodiment of evil, known to eat people in a single gulp. In more modern times, they have lost some of their menacing nature and have come to be seen as protectors, as well as symbols of wealth and good fortune.
I started with the Nightkin head and deleted everything except for the face. I then widened the eye holes and added the teeth from the Deathclaw and the strap from the White Glove Society Mask. I also added eyebrows.
The chance of finding extra caps in containers will stack with the Fortune Finder perk.