AD&D Monster List with OGL status, sources and alternatives Green entries are 100% OGL. Blue entries indicate a change from the originals (usually names). Purple entries are unclear, confusing, or otherwise strange. Red entries are not OGL and OGL alternatives are listed. White entries are in progress. Monster (* = unique) Source OGL? OGL Source OGL alternative (Source) Aarakocra Fiend Folio No -- Avia (Castles & Crusades: Classic Monsters & Treasure), Birhaakamen (Swords & Wizardry Monster Compendium/Monster Book) Aboleth Monster Manual 2 Yes SRD -- Achaierai Fiend Folio Yes SRD -- Adherer Fiend Folio Yes Tome of Horrors Complete -- Aerial Servant Monster Manual Yes Tome of Horrors Complete -- Afanc Monster Manual 2 No -- Agathion Monster Manual 2 Agathion (Castles & Crusades: Classic Monsters & Treasure), Aleax Fiend Folio No -- Avatas (Castles & Crusades: Classic Monsters & Treasure) Algoid Fiend Folio Yes Tome of Horrors Complete -- Al-Mi’raj Fiend Folio Yes Tome of Horrors Complete -- Anhkeg Monster Manual Yes SRD -- Annis (Hag) Monster Manual 2 Yes SRD Ant, Giant Monster Manual Yes SRD -- Ant Lion Monster Manual 2 Yes Tome of Horrors Complete -- Ape (Gorilla) Monster Manual Yes SRD -- Ape, Carnivorous Monster Manual No -- Man-Eating Ape (Advanced Edition Companion) Apparition Fiend Folio Yes Tome of Horrors Complete -- Archon, Hound Manual of the Yes SRD -- Planes Archon, Lantern Manual of the Yes SRD -- Planes Archon, Sword Manual of the No -- Planes Archon, Tome Manual of the No -- Planes Archon, Warden Manual of the No -- Planes Ascomid Monster Manual 2 Yes Tome of Horrors Complete -- Aspis Monster Manual 2 No -- Assassin Bug Fiend Folio No -- Assad (Castles & Crusades: Classic Monsters & Treasure), Assassin Beetle (Fiends & Falchions) Astral Searcher Fiend Folio No -- Possessor (CC1 Creature Compendium) Atomie Monster Manual 2 Yes Tome of Horrors Complete -- Aurumvorax Monster Manual 2 Yes Tome of Horrors Complete -- Axe Beak Monster Manual Yes Tome of Horrors Complete -- Azer Monster Manual 2 Yes SRD -- Babbler Fiend Folio Yes Tome of Horrors Complete -- Baboon Monster Manual Yes SRD -- Badger Monster Manual Yes SRD -- Bajang Oriental Adventures Bakemono Oriental Adventures Baku Monster Manual 2 No Baluchiterium Monster Manual Banderlog Monster Manual 2 Yes Tome of Horrors Complete -- Barghest Monster Manual 2 Yes SRD -- Barkburr Monster Manual 2 Barracuda Monster Manual Basidrond Monster Manual 2 Yes Tome of Horrors Complete -- Basilisk Monster Manual Yes SRD -- Basilisk, Greater Monster Manual 2 Yes Tome of Horrors Complete -- Bat, Fire Monster Manual 2 No -- Bat O’ The Flame (Castles & Crusades: Classic Monsters & Treasure), Pyrobat (Swords Page 1 of 21 AD&D Monster List with OGL status, sources and alternatives & Shapeshifters) Bat, Giant Fiend Folio Bat, Mobat Monster Manual 2 Yes Tome of Horrors Complete -- Bat, Ordinary Monster Manual 2 Yes SRD -- Bear, Black Monster Manual Yes SRD -- Bear, Brown Monster Manual Yes SRD -- Bear, Cave Monster Manual No -- Cave Bear (Labyrinth Lord) Bear, Northern/Polar Monster Manual 2 Yes SRD -- Beaver, Giant Monster Manual Monster (* = unique) Source OGL? OGL Source OGL alternative (Source) Bee, Giant Bumblee Monster Manual 2 Yes SRD (as Giant Bee) -- Bee, Giant Soldier Honeybee Monster Manual 2 Yes SRD (as Giant Bee) -- Bee, Giant Worker Honeybee Monster Manual 2 Yes SRD (as Giant Bee) -- Beetle, Death Watch Monster Manual 2 Yes Tome of Horrors Complete -- Beetle, Giant Bombardier Monster Manual Yes SRD -- Beetle, Giant Boring Monster Manual Yes Tome of Horrors Complete -- Beetle, Giant Fire Monster Manual Yes SRD -- Beetle, Giant Rhinoceros Monster Manual Yes Tome of Horrors Complete -- Beetle, Giant Stag Monster Manual Yes SRD -- Beetle, Giant Water Monster Manual Beetle, Slicer Monster Manual 2 Yes Tome of Horrors Complete -- Behemoth Monster Manual 2 Yes SRD (as Behemoth -- Template) Behir Monster Manual 2 Yes SRD -- Evil Eye (The Iconic Bestiary: Classics of Fantasy), Eye of Terror (Advanced Edition Beholder Monster Manual No -- Companion), Gazer (For Gold & Glory), Great Orb of Eyes (Basic Fantasy Field Guide) Berbalang Fiend Folio Bisan Oriental Adventures Black Pudding Monster Manual Yes SRD -- Blindheim Fiend Folio Yes Tome of Horrors Complete -- Blink Dog Monster Manual Yes SRD -- Blood Hawk Fiend Folio Yes Tome of Horrors Complete -- Bloodthorn Monster Manual 2 Bloodworm, Giant Fiend Folio Boalisk Monster Manual 2 Yes Tome of Horrors Complete -- Boar, Giant Monster Manual Boar, Warthog Monster Manual Yes SRD (as Boar) -- Boar, Wild Monster Manual Yes SRD (as Boar) -- Bodak Monster Manual 2 Yes SRD -- Boggart Monster Manual 2 Yes Tome of Horrors Complete -- Boggle Monster Manual 2 No -- Boggle (Castles & Crusades: Classic Monsters & Treasure) Bonesnapper Fiend Folio Yes Tome of Horrors Complete -- Boobrie Monster Manual 2 No -- Boobrie (Castles & Crusades: Classic Monsters & Treasure) Booka Fiend Folio No -- Bendith Y Mamau (Castles & Crusades: Classic Monsters & Treasure) Bookworm Monster Manual 2 Yes Tome of Horrors Complete -- Bowler Monster Manual 2 No -- Bowlya (Castles & Crusades: Classic Monsters & Treasure), Rockling (Swords & Shapeshifters) Brain Mole Monster Manual Yes SRD -- Brownie Monster Manual Yes Tome of Horrors Complete -- Buckawn Monster Manual 2 Yes Tome of Horrors Complete -- Buffalo Monster Manual Bugbear Monster Manual Yes SRD -- Bulette Monster Manual Yes SRD -- Bull Monster Manual Boggard (Pathfinder Bullywug Fiend Folio No -- Bestiary), Frogmen (Fiends & Falchions), Tsathar (Tome of Page 2 of 21 AD&D Monster List with OGL status, sources and alternatives Horrors Complete), Wug (Basic Fantasy Field Guide) Bunyip Fiend Folio Yes Tome of Horrors Complete -- Buso, Tagamaling Oriental Adventures Buso, Tigbanua Oriental Adventures Camel, Wild Monster Manual Yes SRD (as Camel) -- Carbuncle Fiend Folio Yes Tome of Horrors Complete -- Carp, Giant Oriental Adventures Cadaver Caterpillar (Castles & Crusades: Classic Monsters & Treasure), Carcass Scavenger Carrion Crawler Monster Manual No -- (Labyrinth Lord), Carrion Creeper (Swords & Wizardry Core), Corpse Ravager (For Gold & Glory), Scavenger Worm (The Iconic Bestiary: Classics of Fantasy), Tentacle Worm (Basic Fantasy RPG) Monster (* = unique) Source OGL? OGL Source OGL alternative (Source) Caryatid Column Fiend Folio Yes Tome of Horrors Complete -- Cat, Domestic Monster Manual 2 Yes SRD (as Cat) -- Cat Lord* Monster Manual 2 Yes Tome of Horrors Complete -- Cat, Wild Monster Manual 2 Caterwaul Fiend Folio Yes Tome of Horrors Complete -- Catfish, Giant Monster Manual 2 Catoblepas Monster Manual No -- Cattle, Wild Monster Manual Cave Cricket Monster Manual 2 Yes Tome of Horrors Complete -- Cave Fisher Monster Manual 2 Yes Tome of Horrors Complete -- Cave Moray Monster Manual 2 Yes Tome of Horrors Complete -- Centaur Monster Manual Yes SRD -- Centipede, Giant Monster Manual Yes SRD (as Tiny Monstrous -- Centipede) Centipede, Huge Monster Manual 2 Yes SRD (as Small Monstrous -- Centipede) Centipede, Megalo- Monster Manual 2 Cheetah Monster Manual 2 Yes SRD -- Chimera Monster Manual Yes SRD -- Choke Creeper Monster Manual 2 No -- Cifal Fiend Folio No -- Cloaker Monster Manual 2 Yes SRD -- Clubnek Fiend Folio Yes Tome of Horrors Complete -- Cockatrice Monster Manual Yes SRD -- Coffer Corpse Fiend Folio Yes Tome of Horrors Complete -- Cooshee (Elven Dog) Monster Manual 2 Yes Tome of Horrors Complete -- Couatl Monster Manual Yes SRD -- Crab, Giant Monster Manual Yes Tome of Horrors Complete -- (as Monstrous Crab) Crabman Fiend Folio Yes Tome of Horrors Complete -- Crane, Giant Monster Manual 2 Crayfish, Giant Monster Manual Yes Tome of Horrors Complete -- (as Monstrous Crayfish) Crocodile Monster Manual Yes SRD -- Crypt Thing Fiend Folio Yes Tome of Horrors Complete -- Crysmal Monster Manual 2 Yes SRD -- Crystal Ooze Monster Manual 2 Yes Tome of Horrors Complete -- Cyclopskin Monster Manual 2 No -- Cyclops (Swords & Shapeshifters), Lesser Cyclops (Castles & Crusades: Classic Monsters & Treasure) Daemon, Arcanadaemon Monster Manual 2 No -- Magikodaemon (Abomination Appendix V) Daemon, Charon* Monster Manual 2 Yes Tome of Horrors Complete -- Daemon, Charonadaemon Monster Manual 2 Yes Tome of Horrors Complete -- Daemon, Derghodaemon Monster Manual 2 Yes Tome of Horrors Complete -- Page 3 of 21 AD&D Monster List with OGL status, sources and alternatives Daemon, Hydrodaemon Monster Manual 2 Yes Tome of Horrors Complete -- Daemon, Oinodaemon Monster Manual 2 Yes Tome of Horrors Complete -- (Anthraxus)* Daemon, Piscodaemon Monster Manual 2 Yes Tome of Horrors Complete -- Daemon, Ultrodaemon Monster Manual 2 Daemon, Yagnodaemon Monster Manual 2 Dakon Fiend Folio Yes Tome of Horrors Complete -- Dao (Genie) Monster Manual 2 No -- Genie, Shaitan (Pathfinder Bestiary) Dark Creeper Fiend Folio Yes Tome of Horrors Complete -- Dark Stalker Fiend Folio Yes Tome of Horrors Complete -- Death, Crimson Monster Manual 2 Death Dog Fiend Folio Yes Tome of Horrors Complete -- Black Knight (Basic Fantasy Field Guide Volume 2), Death Death Knight Fiend Folio No -- Knight (Castles & Crusades: Classic Monsters & Treasure), Demonic Knight (Tome of Horrors Complete), Fellknight (Abomination Appendix IV) Demilich Monster Manual 2 Yes SRD -- Tome of Horrors Complete -- Demodand, Farastu/Tarry Monster Manual 2 Yes (Farastu seems to be non- OGL) Monster (* = unique) Source OGL? OGL Source OGL alternative (Source) Tome of Horrors Complete -- Demodand, Kelubar/Slimy Monster Manual 2 Yes (Kelubarr seems to be non- OGL) Tome of Horrors