Malleus Monstrorum

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Front Cover

Publisher: Chaosium

Product Code: 23102

Publishing Year: 2007

Pages: 296

Cover Price: $34.95

Author(s): Scott David Aniolowski, Sandy Petersen, Lynn Willis

Additional Material by: David Conyers, Keith Herber, Kevin A. Ross, Chad J. Bowser, Shannon Appel, Christian von Aster, Joachim A. Hagen, Florian Hardt, Frank Heller, Peter Schott, Steffen Schuütte, Michael Siefner, Jan Cristof Steines, Holger Göttmann, Wolfgang Shiemichen, Ingo Ahrens, and friends.

German to English Translation: Bill walsh

Artist(s): Lee Gibbons (cover), Pascal D. Bohr, Konstantyn Debus, Thomas Ertmer, Christian Küttler, Klaas Neumann, Patrick Strietzel, Kostja Kleye, Lydia Ortiz, Paul Carrick

Setting(s): Non-Specific

Format(s): Softcover

ISBN: 1-56882-179-4


This book is the most comprehensive (to-date) published collection of statistics describing creatures, monsters, and gods for use in Call of Cthulhu games. The book comprises descriptions of 380 entities, drawn from the core rulebook, from previously published Chaosium monster collections and scenarios, and from scenarios published by other companies.

As well as providing statistics blocks for all entities, the book also includes many short extracts from the fictive "Journals of Sir Hansen Poplan" which provide narrative descriptions of the learnings of a seasoned Mythos investigator.

The volume is organised into the following sections:

  • Foreword,
  • Introduction,
  • Creatures of the Mythos,
  • Deities of the Mythos,
  • Creatures of Legend & Folklore,
  • Animals,
  • Appendix I: Chaosium Pronunciations,
  • Appendix II: Describing the Indescribable,
  • Appendix III: Mortality & Immortality,
  • Appendix IV: Creating Original Monsters,
  • Appendix V: The Dreamlands,
  • Complete Credits, continued
  • Call of Cthulhu Monster Master,
  • Index of Blasphemies

Mythos Creatures Described

The list of Mythos Creatures described in Malleus Monstrorum included below is divided by Creature Type (Independent Races, Servitor Races, and Unique Entities)

Independent Races

Adumbrali Gugs Serpent People Tunnelers Below
Alskali Horses of the Invisible S'glhuo, Denizens of Voormis
Children of the Wind Hyperboreans Shaggai Voors
Chthonians K'n-yan, People of Shaggai, Insects from Worms of the Earth
Colours Out of Space Leng, Men from Shoggoths Xiclotl, Beings from
Desh, Greater & Lesser L'gy'hx, Inhabitants of Shoggoth Lords Xiclotl, Death-Vines of
Dholes Lloigor Space Eaters Xo Tl'mi-go
Dimensional Shamblers Martense Kin Star Vampires Yaddith, Denizens of
Elder Things Martians Swine Folk Yekub, Inhabitants of
Flying Polyps Mi-Go Terrors from Beyond Yith, Great Race of
Fungus, Vile Mind Parasites Things Yith, Great Race of (New)
Ghasts Moon-Beasts Tindalos, Hounds of Zoogs
Ghouls Nioth-Korghai Tindalos, Lords of
Gn'icht' Tyaacht Ny'ghan Grii Tindalosian Hybrids
Gnoph-Keh Rat People Travelers
Green Abyss, Spawn of the Reptile People Triffids

Servitor Races

Abhoth, Spawn of Eihort, Broodlings of Nyogtha, Spawn of Tomb-Herd
Aihais Fire Vampires Othuum, Minions of Tree-Men of M'bwa
Animiculi Fishers from Outside Othuyeg, Spawn of Trolls
Atlach-Nacha, Daughters of Fosterlings of the Old Ones Outer Gods, Servitors of Tsathoggua, Formless Spawn
Byakhee Glaaki, Servants of Pallid Dancers Tsathoggua, Scions of
Chakota Gloon, Servants of Petesouchi Typhonian Beasts
Chaugnar Faugn, Greater &
Lesser Brothers of
Goatswood Gnomes Rat-Things Ubbo-Sathla, Brood of
Cold Ones Gof'nn Hupadgh Shub-Niggurath Sand-Dwellers Unspeakable Possessors
Crawling Ones Green God, Children of the Seekers Watchers
Crystallizers of Dreams, Guardians of Gyaa-Yothn Shantaks Wendigo
Cthulhu, Star-Spawn of Hastur, Spawn of Shoggoths, Proto- Y'golonac, Servants of
Cthulhu, Thralls of Hell-Plants Shoggoth-Twsha Yig, Children of
Dark Ones Hunting Horrors of Nyarlathotep Shub-Niggurath, Dark Young Yig, Spawn of
Dark Sargassum Ib, Beings of & Ghost-Beings Shugoran Yog-Sothoth, Sons of
Deep Ones Lumens Spawn of the Winds Yuggs
Deep One Hybrids Miri Nigri Spectral Hunters Zarr
Dust-Men Nagaae Sphinx, Children of the
Dwellers in the Depths Nightgaunts Tcho-Tchos

Unique Entities

M'bwa Star Pool, Lurker in the
Million Favoured Ones Worm that Walks
Mr Shiny

Mythos Deitites Described

The list of Mythos Deities described in Malleus Monstrorum included below is divided by Type (Great Old Ones, Outer Gods)

Great Old Ones

Arphoom Zhah Glaaki Lam Saaitii
Arwassa Gloon Lloigor Sebek
Atlach-Nacha Gnophkehs M'nagalah Shudde M'ell
Baoht Z'uqqa-Mogg Gog-Hoor, the Mnomquah Summanus
Bokrug Gol-goroth Mordiggian Tsathoggua
Bugg-Shash Green God Nctosa & Nctolhu Ut'ulls-Hr'ehr
Byatis Groth-golka Nug & Yeb Vibur
Chaugnar Faugn Han Nyogtha Vulthoom
Cthugha Hastalÿk Oorn Yegg-ha
Cthulhu Hastur Ossadagowah Y'golonac
Cthylla Hydra Othuum Yig
Cyaegha Hziulquoigmnzhah Othuyeg Ythogtha
Cynothoglys Idh-yaa Pharol Zathog
Dho-spawn Iod Quachil Uttaus Zhar & Lloigor
Eihort Ithaqua Q'yth-az Zoth-Ommog
Ghadamon Juk-Shabb Red Flux, God of the Zstylzhemgni
Ghatanothoa Kassogtha Rhan-Tegoth Zu-che-quon
Ghizguth Kurpannga Rlim Shaikorth

Outer Gods

Abhoth Mother of Pus Other Gods, Nour Star Mother
Ancient Ones Nyarlathotep Other Gods, Pr'ktha Tru'nembra
Azathoth Other Gods, Larvae of Other Gods, Shinjh Tulzscha
Blackness from the Stars Other Gods, Lesser Other Gods, Thahash Ubbo-Sathla
Cloud-Thing Other Gods, Dhyighash Other Gods, Urafty Ycnágnnisssz
Cxaxukluth Other Gods, Glagga Other Gods, X-2634 Yibb-Tstll
Daoloth Other Gods, Kr'nk Other Gods, Yko Yidhra
Ghroth Other Gods, L'ysh Shabbith-Ka Yog-Sothoth
Mh'ithrha Other Gods, M'Tlblys Shub-Niggurath Yomagn'tho


Aforgomon (Yog-Sothoth) Dark Demon (Nyarlathotep) Host (Nyarlathotep) Sacred Light (Daoloth)
Ahtu (Nyarlathotep) Death-Walker (Ithaqua) Human (Nyarlathotep) Set (Nyarlathotep)
Aku-Shin Kage (Nyarlathotep) Dweller in Darkness (Nyarlathotep) Jack O'Lantern (Nyarlathotep) Shugoran (Nyarlathotep)
Baron Samedi (Nyarlathotep) Effigy of Hate (Nyarlathotep) Keeper of the Moon Lens (Shub-Niggurath) Skeletal Horror (Nyarlathotep)
Beast (Nyarlathotep) Emerald Lama (Hastur) King in Yellow (Hastur) Skinless One (Nyarlathotep)
Black Bull (Nyarlathotep) Faceless God (Nyarlathotep) Kokopelli (Nyarlathotep) Small Crawler (Nyarlathotep)
Black Demon (Nyarlathotep) Father-Of-All-Sharks (Cthulhu) Kruschtya Equation (Nyarlathotep) Snow-Thing (Ithaqua)
Black Lion (Nyarlathotep) Feaster From Afar (Hastur) Living Flame of Deepest Black (Cthugha) Tawil at'Umr (Yog-Sothoth)
Black Man (Nyarlathotep) Floating Horror (Nyarlathotep) Lrogg (Nyarlathotep) Tezcatlipoca (Nyarlathotep)
Black Pharaoah (Nyarlathotep) Great God Pan (Shub-Niggurath) Madam Yi (Yidhra) Thoth (Nyarlathotep)
Black Wind (Nyarlathotep) Green Man (Nyarlathotep) MANA-YOOD-SUSHAI (Azathoth) Tick Tock Man (Nyarlathotep)
Bloated Woman (Nyarlathotep) Halloween Man (Nyarlathotep) Messenger of the Old Ones (Nyarlathotep) Wailing Writher (Nyarlathotep)
Bloody Tongue (Nyarlathotep) Haunter of the Dark (Nyarlathotep) Nyarlatophis (Nyarlathotep) Wicker Man (Nyarlathotep)
B'Moth (Cthulhu) He Who Walks Behind the Rows (Shub-Niggurath) Pazzuzu (Nyarlathotep) Y'hath (Yidhra)
Chorazin (Cthulhu) High Priest Not To Be Described (Nyarlathotep) Pool of Shadow (Nyarlathotep) Xada-Hgla (Azathoth)
Crawling Mist (Nyarlathotep) Horned Man (Nyarlathotep) Queen in Red (Nyarlathotep) Xothra (Yidhra)

Elder Gods

Bast Isis N'tse-Kaambl
Elder Gods, Lesser Kthanid Vorvadoss
Hypnos Nodens Yad-Thaddag

Great Ones

Ariel Lilith Robigus
Hagarg Ryonis Lobon Tamash
Karakal Nath-Horthath Zo-Kalar

Unique Entities

Dagon & Hydra Magnum Innominandum Ubb
Fthaggua Our Ladies of Sorrow

Creatures of Legend & Folklore Described

The following Creatures drawn from legend and folklore are described in Malleus Monstrorum

Ghosts Mummies Werewolves
Golems Sasquatch Wraiths
Lake Monsters Scarecrows Zombies
Man-Eating Plants Skeletons
Megalodon Vampires

Animals Described

Statistics for the following mundane creatures are described in Malleus Monstrorum

Alligators & Crocodiles Elephants Lions Scorpions
Barracudas Gorillas Moose Sharks
Bats Hippopotamus Moray Eels Snakes, North American Venomous
Bears Horses Mountain Lions &
Snapping Turtles
Bobcats & Lynxes Hyenas Octopus, Giant Squid, Giant
Bush Pigs Indian Wild Dogs Piranha Stingrays
Bison, Cape Buffalo &
Water Buffalo
Jackals Pythons Tigers
Condors & Vultures Killer Whales Rats Wasps & Bees
Dogs King Cobras Rhinos Wolves

Front Cover Text

Creatures, Gods, & Forbidden Knowledge

Back Cover Text

That is not dead which can eternal lie, and with strange aeons even death may die.
—H. P. Lovecraft

Creatures, Gods, & Forbidden Knowledge

Here are those things which can "eternal lie", and which have lived beyond human understanding for strange aeons. The CTHULHU MYTHOS is comprised of a complex and broad group of sometimes-contradictory entities, powers, and concepts that encompass the secrets of time, space, and the universe. Fundamental truths of the universe are so alien and horrifying to humankind that mere exposure to them might result in madness or suicide. While humanity might crave comfort and truth, only one or the other is possible.

This tome contains entries for more than 380 different creatures and beings that are part of the Cthulhu Mythos, presented for use with the CALL OF CTHULHU roleplaying game. Entries are organized into the following types:

OUTER GODS rule the universe. All races and lesser deities of the Mythos acknowledge the Outer Gods, and may worship them. Except for Nyarlathotep, these gods have little to do with humanity.

ELDER GODS are neutral to or possibly rivals to the Outer Gods. Though vast and of awesome power, they do not seem to be as dangerous to humanity as the Outer Gods.

GREAT OLD ONES are not omnipotent, but nonetheless are godlike and terrible in human eyes. Humans are likely to worship Great Old Ones, who are comparatively near at hand.

GREAT ONES are the gods of Earth’s Dreamlands. Do not confuse them with the Great Old Ones. They are the weakest of all the deity types, and a wise mortal can surpass them in might.

AVATARS are variant manifestations of an Outer God, Great Old One, Elder God, or Great One. Usually less powerful than the gods they represent, many are more horrible to witness.

SOME ENTRIES introduce unique entities, defying classification. RACES INDEPENDENT of and serving no particular deity are included, though individuals may worship, cooperate, or co-conspire with such beings. FABULOUS CREATURES are well represented, drawn from legend and lore. ANIMALS & NON-MYTHOS MONSTERS complete the presentation, chosen from those most likely to be encountered, or the most common or popular.

Comments / Trivia

This book is an expanded English edition of the first edition of a book published in German (under the same title) by Pegasus Spiele. This version retains the elaborate page layout style designed for the German book.

Some of the content which appears in this book comes from two earlier monster collections published by Chaosium, Ye Booke of Monstres, Vol. 1 and Ye Booke of Monstres, Vol. 2.

The book also incorporates monsters created for the publications: Grimrock Isle (Supplement) (Trident), Cthulhu Dark Ages, Sacraments of Evil, At Your Door (Supplement), Escape from Innsmouth (Supplement), Shadows of Yog-Sothoth (Supplement), The Cairo Guidebook, Fearful Passages, Unseen Masters, Curse of the Chthonians, Cthulhu by Gaslight, Adventures in Arkham Country, Worlds of Cthulhu, Issue 01, The Arkham Evil (TOME), Masks of Nyarlathotep (Supplement), Secrets of Japan, Dwellers in Shadow (Trident), Beyond the Mountains of Madness (Supplement), Pursuit to Kadath (TOME), Tales of the Miskatonic Valley, Horror on the Orient Express (Supplement), Horror's Heart (Supplement), Dark Designs, Spawn of Azathoth (Supplement), The Fungi from Yuggoth (Supplement), The Keeper's Companion, Vol. 1, H.P. Lovecraft's Dreamlands, Arkham Unveiled, Cthulhu Now, A Resection of Time (Supplement), Terror from the Stars, The Great Old Ones (Supplement), Mansions of Madness (Supplement), The Asylum and Other Tales, Fatal Experiments, The Unspeakable Oath, Issue 08+09 (Pagan), End of the World, The Unspeakable Oath: Stark Raving Mad! (Pagan), Kingsport: The City In The Mists (Supplement), Nightmare in Norway (Supplement) (Games Workshop), The Keeper's Companion, Vol. 2, The Bermuda Triangle (Supplement), Im Zeichen des Stiers, Beschwörungen, King of Chicago (Supplement), Green And Pleasant Land (Games Workshop), The Golden Dawn (Supplement) (Pagan), The New Orleans Guidebook, Dead Reckonings, Last Rites (Supplement).

Some of the entries are new to this book.

Dedication: "I'd like to dedicate this tome to the people who were a part of my fifteen-year Call of Cthulhu group/campaign. Over the years players came and went, and we had many strange adventures together (some of which ended up in print). My scenarios weren't always as successful as I'd wanted,, but a few did genuinely scare some people, and those are moments I shall treasure forever! The major players in my Call of Cthulhu gaming group to whom I owe so much to are: Amy Adkins, Steve Aniolowski, Karen Beningo, Tim Bush, Will Ehgoetz, Clif Ganyard, Paula Ganyard, Paula Garlock, Greg Gerstung, Brian Hutchens, Nathan Hutchings, Bill Koonz, Mike Lesner, Lisa Lverock, Dan Long, Scott Mawhiney, Mike Szymanski, Rob Watkins, and Greg Zuba. It was many years and many people, and I'm sure I've forgotten some names: to those fine folks I sincerely apologize."


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