Listed below are some of the monsters that M.H.I., either from their archives or personnel incident reports, has knowledge of:
Creatures
- Bigfoot
- Centaur
- Deer Woman
- Dragon
- Dwarf
- Elf
- Gargoyle
- Giant
- Goblin
- Gremlin
- Hag
- Imp
- Kraken
- Ogopogo
- Ogre
- Orc
- Sea serpent
- Thunderbird
- Troll
- Tunnel Worm
- Wendigo
- Werewolf
- Wyvern
Corporeal Undead
Incorporeal Undead
- Ghost
- Shadow
- Spectre
- Wraith
Named Adversaries
The approximate Perpetual Unearthly Forces Fund bounty for each of these monsters can be found on their individual data pages.