Echohawk
Shirokinukatsukami fan
Okay. Here is a list of potential 'one edition' creature beginning with 'W'. I haven't reviewed the wights, wolves and wraiths very thoroughly, and a number of those might be too similar to count as separate creatures.
Waff (Blood Spawn) [2e]
Walking Stick, Giant (I13: Adventure Pack I) [1e]
Walking Wall (Miniatures Handbook) [3.5]
Wall of Tentacles (Demihuman Deities) [2e]
Wall Walker (City by the Silt Sea/Monstrous Compendium Annual Volume Two ) [2e]
Warden Beast (MC8: Monstrous Compendium Outer Planes Appendix/Planes of Conflict) [2e]
Warforged Raptor (Forge of War) [3.5]
Warforged Scorpion (Secrets of Xen'drik) [3.5]
Warforged Titan (Eberron Campaign Setting) [3.5]
Warp Drifter (Wizards of the Coast web site) [3.5]
Wasp, Giant Mason-Wasp (MC13: Monstrous Compendium Al-Qadim Appendix) [2e]
Wasp, Phase (Monster Manual II ) [3.0]
Wastrel (Planescape Monstrous Compendium Appendix II ) [2e]
Watcher (Life-Shaped Creation) (Windriders of the Jagged Cliffs/Monstrous Compendium Annual Volume Three) [2e]
Water Leaper (HR3: Celts Campaign Sourcebook) [2e]
Waterwheel Plant, Giant (Dragon #167) [2e]
Watroach (War Beetle) (Dragon #185) [2e]
Wattley (Ruins of Undermountain II/Monstrous Compendium Annual Volume Two ) [2e]
Wavearcher (Dungeon #110/Polyhedron #169) [3.5]
Wavefire (Planescape Monstrous Compendium Appendix III) [2e]
Web-Spectre (Dragon #252) [2e]
Weed Giant (Dragon #116) [1e]
Weird, Air (Monster Manual II ) [3.0]
Weird, Bone (Return to the Tomb of Horrors) [2e]
Weird, Fire (Monster Manual II ) [3.0]
Weird, Ice (Frostburn) [3.5]
Weird, Mist (Van Richten's Guide to the Mists) [3.5]
Weird, Ooze (Champions of Ruin) [3.5]
Weird, Silt (Polyhedron #80) [2e]
Weird, Snow (Frostburn) [3.5]
Weisshund (WGA2: Falconmaster) [2e]
Well Spirit (Dragon #42) [1e]
Wellspring Horror (Dungeon #162) [4e]
Wellspring Rioter (Dungeon #162) [4e]
Wellspringer Riot (Dungeon #162) [4e]
Wezer (Dark Sun Boxed Set) [2e]
Wharlysk (Wizards of the Coast web site) [3.0]
Wheep (Libris Mortis) [3.5]
Whelp of Zargon (Elder Evils) [3.5]
Whispering Moth (Dragon #227) [2e]
Whispering Pine (Dragon #119) [1e]
Wicker Man (Fiend Folio ) [3.0]
Wiggle, Hurwaet (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wiggle, Salt (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wiggle, Swamp (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wight, Bole- (Polyhedron #35) [1e]
Wight, Dust (Monster Manual III) [3.5]
Wight, Half- (REF5: Lords of Darkness) [1e]
Wight, Ice (Dungeon #163) [4e]
Wight, Lava (Epic Level Handbook ) [3.0]
Wight, Lesser (King of the Giantdowns) [2e]
Wight, Mastar (King of the Giantdowns) [2e]
Wight, Time (Wizards of the Coast web site) [3.0]
Wight, Wailing (Dragon #249) [2e]
Wild Watcher (Dungeon #132) [3.5]
Will-o'-Dawn (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Deep (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Mist (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Sea (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Shadow (Blood Spawn) [2e]
Wilora (Dragon #307/City of Splendors: Waterdeep) [3.X]
Wind Dragon (Return to the Moathouse) [4e]
Wind Thrower (Dragon #101) [1e]
Wind Warrior (Dungeon #124) [3.5]
Windblade (Monster Manual IV) [3.5]
Windigo (Dungeon #77) [2e]
Windraptor (Dungeon #111/Polyhedron #170) [3.5]
Winged Warrior (B8: Journey to the Rock/AC9: Creature Catalogue/DMR2: Creature Catalog) [BCEMI]
Wingwyrd (Five Nations) [3.5]
Winterling (Dragon #324) [3.5]
Winterspawn (Frostburn) [3.5]
Wirchler (Dragon #47) [1e]
Wispling (Fiend Folio ) [3.0]
Witchknife (Monster Manual III) [3.5]
Witchlight Marauder (MC9: Monstrous Compendium Spelljammer Appendix II) [2e]
Witherstench (Fiend Folio) [1e]
Wiwaxia, Giant (Dragon #204) [2e]
Wizard Lice (City of Delights/Monstrous Compendium Annual Volume One ) [2e]
Wizened Elder (Monster Manual IV) [3.5]
Wolf (Dragon #293) [3.0]
Wolf, Arctic (Hollow World Boxed Set) [BCEMI]
Wolf, Blood Ghoul (Ghostwalk Web Enhancement) [3.0]
Wolf, Brachyurus (Epic Level Handbook ) [3.0]
Wolf, Choir (Polyhedron #78) [2e]
Wolf, Cloud (Dragon #293) [3.0]
Wolf, Dread (Dragon #174) [2e]
Wolf, Gray (Monster Manual) [4e]
Wolf, Magma (Dragon #293) [3.0]
Wolf, Sea (Dragon #293) [3.0]
Wolf, Shadow* (Dungeon #155) [4e]
Wolf, Shadow* (ST1: Up the Garden Path) [BCEMI]
Wolf, Shard (Dragon #293) [3.0]
Wolf, Stone (Dragon #174/Monstrous Compendium Annual Volume One ) [2e]
Wood Man (Spellbound/Monstrous Compendium Annual Volume Three) [2e]
Wood Woad (Monster Manual III) [3.5]
Woodchuck (Monstrous Compendium Volume Two/Monstrous Manual) [2e]
Worghest (Dragon #350) [3.5]
Worm, Giant (a variety) (Dragon #133) [1e]
Wormcaller (Dungeon #130) [3.5]
Worry-Wart (Dragon #259) [2e]
Wrackspawn (Monster Manual IV) [3.5]
Wraith-King (Dragon #198) [2e]
Wraith, Acid- (Dungeon #131) [3.5]
Wraith, Athasian (Dark Sun Monstrous Compendium Appendix II: Terrors Beyond Tyr ) [2e]
Wraith, Desert (FR10: Old Empires) [2e]
Wraith, Evolved (Libris Mortis) [3.5]
Wraith, Frightful (Pyramid of Shadows) [4e]
Wraith, Incarnum (Magic of Incarnum) [3.5]
Wraith, Lost (Dungeon #155) [4e]
Wraith, Lurking (D&D Miniatures: Against the Giants) [4e]
Wraith, Mad (Monster Manual) [4e]
Wraith, Moon (Open Grave) [4e]
Wraith, Oblivion (Open Grave) [4e]
Wraith, Orb (Anauroch: The Empire of the Shade) [3.5]
Wraith, Seething (Dungeon #158) [4e]
Wraith, Shattered (Dungeon #163) [4e]
Wraith, Vortex (Open Grave) [4e]
Wraith, Wisp (Open Grave) [4e]
Wraithworm (Planescape Monstrous Compendium Appendix II ) [2e]
Wrath of Dagon (Dungeon #156) [4e]
Wrath of Nature (Open Grave) [4e]
Wriggly (Imagine #15) [1e]
Wryback (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wurm (Dragon #296) [3.0]
Wurmling (Savage Coast Monstrous Compendium Appendix) [2e]
Wychglow (AC9: Creature Catalogue/DMR2: Creature Catalog) [BCEMI]
Wychlamp (GAZ8: Five Shires/DMR2: Creature Catalog) [BCEMI]
Wynzet (Savage Coast Monstrous Compendium Appendix) [2e]
Wyrm-Wisp (Draconomicon: Chromatic Dragons) [4e]
Wyrm, Great (Dragon #94) [1e]
Wyvern Drake (Dragon #170/Cult of the Dragon) [2e]
Waff (Blood Spawn) [2e]
Walking Stick, Giant (I13: Adventure Pack I) [1e]
Walking Wall (Miniatures Handbook) [3.5]
Wall of Tentacles (Demihuman Deities) [2e]
Wall Walker (City by the Silt Sea/Monstrous Compendium Annual Volume Two ) [2e]
Warden Beast (MC8: Monstrous Compendium Outer Planes Appendix/Planes of Conflict) [2e]
Warforged Raptor (Forge of War) [3.5]
Warforged Scorpion (Secrets of Xen'drik) [3.5]
Warforged Titan (Eberron Campaign Setting) [3.5]
Warp Drifter (Wizards of the Coast web site) [3.5]
Wasp, Giant Mason-Wasp (MC13: Monstrous Compendium Al-Qadim Appendix) [2e]
Wasp, Phase (Monster Manual II ) [3.0]
Wastrel (Planescape Monstrous Compendium Appendix II ) [2e]
Watcher (Life-Shaped Creation) (Windriders of the Jagged Cliffs/Monstrous Compendium Annual Volume Three) [2e]
Water Leaper (HR3: Celts Campaign Sourcebook) [2e]
Waterwheel Plant, Giant (Dragon #167) [2e]
Watroach (War Beetle) (Dragon #185) [2e]
Wattley (Ruins of Undermountain II/Monstrous Compendium Annual Volume Two ) [2e]
Wavearcher (Dungeon #110/Polyhedron #169) [3.5]
Wavefire (Planescape Monstrous Compendium Appendix III) [2e]
Web-Spectre (Dragon #252) [2e]
Weed Giant (Dragon #116) [1e]
Weird, Air (Monster Manual II ) [3.0]
Weird, Bone (Return to the Tomb of Horrors) [2e]
Weird, Fire (Monster Manual II ) [3.0]
Weird, Ice (Frostburn) [3.5]
Weird, Mist (Van Richten's Guide to the Mists) [3.5]
Weird, Ooze (Champions of Ruin) [3.5]
Weird, Silt (Polyhedron #80) [2e]
Weird, Snow (Frostburn) [3.5]
Weisshund (WGA2: Falconmaster) [2e]
Well Spirit (Dragon #42) [1e]
Wellspring Horror (Dungeon #162) [4e]
Wellspring Rioter (Dungeon #162) [4e]
Wellspringer Riot (Dungeon #162) [4e]
Wezer (Dark Sun Boxed Set) [2e]
Wharlysk (Wizards of the Coast web site) [3.0]
Wheep (Libris Mortis) [3.5]
Whelp of Zargon (Elder Evils) [3.5]
Whispering Moth (Dragon #227) [2e]
Whispering Pine (Dragon #119) [1e]
Wicker Man (Fiend Folio ) [3.0]
Wiggle, Hurwaet (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wiggle, Salt (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wiggle, Swamp (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wight, Bole- (Polyhedron #35) [1e]
Wight, Dust (Monster Manual III) [3.5]
Wight, Half- (REF5: Lords of Darkness) [1e]
Wight, Ice (Dungeon #163) [4e]
Wight, Lava (Epic Level Handbook ) [3.0]
Wight, Lesser (King of the Giantdowns) [2e]
Wight, Mastar (King of the Giantdowns) [2e]
Wight, Time (Wizards of the Coast web site) [3.0]
Wight, Wailing (Dragon #249) [2e]
Wild Watcher (Dungeon #132) [3.5]
Will-o'-Dawn (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Deep (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Mist (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Sea (Ravenloft Monstrous Compendium Appendix III: Creatures of Darkness ) [2e]
Will-o'-Shadow (Blood Spawn) [2e]
Wilora (Dragon #307/City of Splendors: Waterdeep) [3.X]
Wind Dragon (Return to the Moathouse) [4e]
Wind Thrower (Dragon #101) [1e]
Wind Warrior (Dungeon #124) [3.5]
Windblade (Monster Manual IV) [3.5]
Windigo (Dungeon #77) [2e]
Windraptor (Dungeon #111/Polyhedron #170) [3.5]
Winged Warrior (B8: Journey to the Rock/AC9: Creature Catalogue/DMR2: Creature Catalog) [BCEMI]
Wingwyrd (Five Nations) [3.5]
Winterling (Dragon #324) [3.5]
Winterspawn (Frostburn) [3.5]
Wirchler (Dragon #47) [1e]
Wispling (Fiend Folio ) [3.0]
Witchknife (Monster Manual III) [3.5]
Witchlight Marauder (MC9: Monstrous Compendium Spelljammer Appendix II) [2e]
Witherstench (Fiend Folio) [1e]
Wiwaxia, Giant (Dragon #204) [2e]
Wizard Lice (City of Delights/Monstrous Compendium Annual Volume One ) [2e]
Wizened Elder (Monster Manual IV) [3.5]
Wolf (Dragon #293) [3.0]
Wolf, Arctic (Hollow World Boxed Set) [BCEMI]
Wolf, Blood Ghoul (Ghostwalk Web Enhancement) [3.0]
Wolf, Brachyurus (Epic Level Handbook ) [3.0]
Wolf, Choir (Polyhedron #78) [2e]
Wolf, Cloud (Dragon #293) [3.0]
Wolf, Dread (Dragon #174) [2e]
Wolf, Gray (Monster Manual) [4e]
Wolf, Magma (Dragon #293) [3.0]
Wolf, Sea (Dragon #293) [3.0]
Wolf, Shadow* (Dungeon #155) [4e]
Wolf, Shadow* (ST1: Up the Garden Path) [BCEMI]
Wolf, Shard (Dragon #293) [3.0]
Wolf, Stone (Dragon #174/Monstrous Compendium Annual Volume One ) [2e]
Wood Man (Spellbound/Monstrous Compendium Annual Volume Three) [2e]
Wood Woad (Monster Manual III) [3.5]
Woodchuck (Monstrous Compendium Volume Two/Monstrous Manual) [2e]
Worghest (Dragon #350) [3.5]
Worm, Giant (a variety) (Dragon #133) [1e]
Wormcaller (Dungeon #130) [3.5]
Worry-Wart (Dragon #259) [2e]
Wrackspawn (Monster Manual IV) [3.5]
Wraith-King (Dragon #198) [2e]
Wraith, Acid- (Dungeon #131) [3.5]
Wraith, Athasian (Dark Sun Monstrous Compendium Appendix II: Terrors Beyond Tyr ) [2e]
Wraith, Desert (FR10: Old Empires) [2e]
Wraith, Evolved (Libris Mortis) [3.5]
Wraith, Frightful (Pyramid of Shadows) [4e]
Wraith, Incarnum (Magic of Incarnum) [3.5]
Wraith, Lost (Dungeon #155) [4e]
Wraith, Lurking (D&D Miniatures: Against the Giants) [4e]
Wraith, Mad (Monster Manual) [4e]
Wraith, Moon (Open Grave) [4e]
Wraith, Oblivion (Open Grave) [4e]
Wraith, Orb (Anauroch: The Empire of the Shade) [3.5]
Wraith, Seething (Dungeon #158) [4e]
Wraith, Shattered (Dungeon #163) [4e]
Wraith, Vortex (Open Grave) [4e]
Wraith, Wisp (Open Grave) [4e]
Wraithworm (Planescape Monstrous Compendium Appendix II ) [2e]
Wrath of Dagon (Dungeon #156) [4e]
Wrath of Nature (Open Grave) [4e]
Wriggly (Imagine #15) [1e]
Wryback (MC7: Monstrous Compendium Spelljammer Appendix) [2e]
Wurm (Dragon #296) [3.0]
Wurmling (Savage Coast Monstrous Compendium Appendix) [2e]
Wychglow (AC9: Creature Catalogue/DMR2: Creature Catalog) [BCEMI]
Wychlamp (GAZ8: Five Shires/DMR2: Creature Catalog) [BCEMI]
Wynzet (Savage Coast Monstrous Compendium Appendix) [2e]
Wyrm-Wisp (Draconomicon: Chromatic Dragons) [4e]
Wyrm, Great (Dragon #94) [1e]
Wyvern Drake (Dragon #170/Cult of the Dragon) [2e]