| Creature | Terrain | Climate | Campaign | Reference |
|---|---|---|---|---|
| Beastman | Forests | Sub-Trop/Trop | Greyhawk | GHMC |
| Bonesnapper | Forests | Sub-Trop/Trop | Greyhawk | GHMC |
| Booka | Any | Temp/SubArc | Greyhawk | GHMC |
| Brownie, Buckawn | Forests | Temperate | Greyhawk | GHMC |
| Cactus, Vampire | Desert | Any | Greyhawk | GHMC |
| Camprat | Hills/Rough | Any | Greyhawk | GHMC |
| Crystalmist | Mountains | Temp/SubTrop | Greyhawk | GHMC |
| Dragon, Greyhawk | Urban | Temperate | Greyhawk | GHMC |
| Dragonnel | Any | Temp/Trop | Greyhawk | GHMC |
| Elf, Grugach | Forests | Temperate | Greyhawk | GHMC |
| Elf, Valley | Hills/Rough | Temperate | Greyhawk | GHMC |
| Elf, Valley, Leaders | Hills/Rough | Temperate | Greyhawk | GHMC |
| Grung | Swamp | Sub-Trop/Trop | Greyhawk | GHMC |
| Grung, Juvenile | Swamp | Sub-Trop/Trop | Greyhawk | GHMC |
| Grung, Shaman | Swamp | Sub-Trop/Trop | Greyhawk | GHMC |
| Grung, Tadpole | Swamp | Sub-Trop/Trop | Greyhawk | GHMC |
| Horgar | Subterranean | Any | Greyhawk | GHMC |
| Iguana, Giant | Forests | Temp/SubTrop | Greyhawk | GHMC |
| Iguana, Giant, Horned | Forests | Temp/SubTrop | Greyhawk | GHMC |
| Ingundi | Forests | Temperate | Greyhawk | GHMC |
| Kampfult | Subterranean | Any | Greyhawk | GHMC |
| Kech | Forests | Sub-Arc/Trop | Greyhawk | GHMC |
| Mite | Subterranean | Any | Greyhawk | GHMC |
| Norker | Any | Temp/Trop | Greyhawk | GHMC |
| Norker, Chief | Any | Temp/Trop | Greyhawk | GHMC |
| Norker, Leader | Any | Temp/Trop | Greyhawk | GHMC |
| Norker, Sub-chief | Any | Temp/Trop | Greyhawk | GHMC |
| Polyp, Giant | Subterranean | Any | Greyhawk | GHMC |
| Rat, Vapor | Any | Any | Greyhawk | GHMC |
| Shadow, Slow | Subterranean | Any | Greyhawk | GHMC |
| Skulk | Forests | Temp/Trop | Greyhawk | GHMC |
| Snail, Flail | Subterranean | Any | Greyhawk | GHMC |
| Snail, Sea | Water, Salt | Any | Greyhawk | GHMC |
| Snyad (Pestie) | Subterranean | Any | Greyhawk | GHMC |
| Tentamort | Subterranean | Any | Greyhawk | GHMC |
| Wolf, Mist | Any | Temp/SubArc | Greyhawk | GHMC |
| Wraith, Soul Beckoner | Subterranean | Any | Greyhawk | GHMC |
| Wraith, Sword- | Any | Any | Greyhawk | GHMC |