Demons - I

Imps = Lesser Demons, very low on the totem poll of Hell. They're useful for tricks and ferreting out information but not much else. Fore more info see The Imp.
Infernal Bloodlines = Blood lines from the offspring of Demon and Human. See Infernal Bloodline.
Infestation = A Demonic Infestation is the invasion of material-space by the energies of Hell itself. For more info see Demonic Infestation. 
Invincible Goats = Goats that can't be damaged by conventional means when at full speed. For more info see Invincible Goats. 
Immolaters = Devotees of the archdemon Molech. See Immolater.