Demons (FFs)

Demons are a species of creatures in the Fox's Fang series and the immortal evolution of other creatures including the Tailed Beasts, the Touitsu believe that should the Tailed Beasts be transformed into a Demon form they would be incapable for Madara's plan to fuse them together to recreate the Ten-tailed Beast, Demons are ruled by the Demon King Konran.

Devil King Konran
{{Main|Konran (FFs)

The Ruler of the Demons and was known also as either the Demon King or the Devil King, Konran has a limitlessly powerful and malevolent Chakra that freezes rivals stiff, he is currently fused with Makaze Tenma.

Consort Hou-Ho
The Fiery Demon bird that sacrifices itself to destroy its enemies in both flames and ash, taking the form of a Gryphon with a reptilian Head it is mated to the Devil King Konran, Hou-Ho is currently fused with Gouka Tenma.