This is where all the creatures, both converted and homebrew, will be found.  Anything maked with a * are either new or updated.  All creatures are written in standard Monster Manual.

Abatwa: A species of tiny beings attuned to nature that live among ants.
Abiku: A strain of demon that tempts children away from their homes.
Achaclia: Beings of amazing magical power from the Plane of Water
Actaeon: Converted from the Mystara MC Appendix
Aerial Servant: Converted from the AD&D 2nd Edition Monstrous Manual 
Alan: A strange species of bird-men known for being pious and helpful.
Android: Converted from the Alternity Gamma World setting
Arcane: Converted from the AD&D 2nd Edition Montrous Manual
Argos: Converted from the AD&D 2nd Edition Monstrous Manual
Ark: Converted from the Alternity Gamma World setting
Asperii: Converted from the Monstrous Compendium Annual Volume 4
Attercop: Converted from the Alternity Gamma World setting
Avariel Elf: Converted from Dragon #233.  (PC stats only)
Badder: Converted from the Alternity Gamma World setting 
Bainligor: Converted from the Monstrous Compendium Annual Volume 4
Banshee: Converted from the AD&D 2nd Edition Monstrous Manual 
Bearcat: Converted from the Alternity Gamma World setting
Beniya: A species of rabbit-men known for being "noble bandits." *
Bhruu: Converted from the Alien Compendium 1
Bird Madien: Converted from the AD&D 2nd Edition Monstrous Manual
Blaash: Converted from the Alternity Gamma World setting
Blood Bird: Converted from the Alternity Gamma World setting
Broken One: Converted from the AD&D 2nd Edition Monstrous Manual 
Brownie: Converted from the AD&D 2nd Edition Montrous Manual
Brutorz: Converted from the Alternity Gamma World setting
Bunyip: Converted from the Alien Compendium 1
Calliope: Converted from the Alien Compendium 1
Carrin: Converted from the Alternity Gamma World setting
Catoblepas: Converted from the AD&D 2nd Edition Monstrous Manual 
Cave Fisher: Converted from the AD&D 2nd Edition Monstrous Manual 
Centurion: Converted from the Alien Compendium 1
Clockwork Swordsman: Converted from the Monstrous Compendium Annual 4
Crabman: Converted from the AD&D 2nd Edition Monstrous Manual 
Crypt Thing: Converted from the AD&D 2nd Edition Monstrous Manual 
Dabber: Converted from the Alternity Gamma World setting
Death Dog: Converted from the AD&D 2nd Edition Monstrous Manual 
Death Knight Template: Converted from the AD&D 2e Monstrous Manual
Dracolisk: Converted from the AD&D 2nd Edition Monstrous Manual 
Durgin: A species of winged monkeys borrowed heavily from the Wizard of Oz 
Egistron: Converted from the Alien Compendium 1
Feathered Friends and Foes: Converted from the article of the same name in Dragon #266 by James Wyatt (PC stats only)
Firethorn: Converted from the Alien Compendium 1
Fleshin: Converted from the Alternity Gamma World setting
Fraal: Converted from the Alien Compendium 1
Galian: A species of humanoid deer that are forest protectors.
Gandercat: Converted from the Alien Compendium 1
Gevlin: Converted from the Alien Compendium 1
Giant Urchin: Converted from the Alien Compendium 1
Giff: Converted from the AD&D 2nd Edition Monstrous Manual 
Gith: Converted from the AD&D 2nd Edition Monstrous Manual
Grippli: Converted from the AD&D 2nd Edition Monstrous Manual 
Hawkoid: Converted from the Alternity Gamma World setting
Hengeyokai: Converted from both the Kara-Tur MC Appendix and the article "Humanimals" by Johnathan M. Richards found in Dragon #266)
Heucuva: Converted from the AD&D 2nd Edition Monstrous Manual 
Hizard: A species of magically created lizard-men
Hobbit: Homebrew rules for the way halflings used to be
Hook Horror: Converted from the AD&D 2nd Edition Monstrous Manual 
Hoop: Converted from the Alternity Gamma World setting
Ixitxachitl: Converted from the AD&D 2nd Edition Monstrous Manual 
Jackalwere: Converted from the AD&D 2nd Edition Monstrous Manual 
Kamodo: Converted from the Alternity Gamma World setting
Ke'kekt: Converted from the Alien Compendium 1
Kenku: Converted from the AD&D 2nd Edition Monstrous Manual 
Leprechaun: Converted from the AD&D 2nd Edition Monstrous Manual
Lupin: Converted from the Mystara MC Appendix
Lupin PC's: Player stats for the myriad of lupin races (Converted from Dragon 237)
Lympago: A species of tiger-men known for their assassin guilds
Manscorpion: Converted from the AD&D 2nd Edition Monstrous Manual 
Mantid: Converted from the Alternity Gamma World setting
Mechalus: Converted from the Alien Compendium 1
Menarl: Converted from the Alternity Gamma World setting
Moon Dog: Converted from the AD&D 2nd Edition Monstrous Manual 
Mudfiend: Converted from the Alien Compendium 1
Nelwyn: A species of short folk featured in the movie "Willow" *
Noctural: A species of primitive humanoids *
Orlen: Converted from the Alternity Gamma World setting
Pech: Converted from the AD&D 2nd Edition Monstrous Manual 
Pimba: A species of mushroom men well known for their magic colleges
Podog: Converted from the Alternity Gamma World setting
Rakasta: Converted from the Mystara MC Appendix
Rakastan PC's: Converted from Dragon #247
Rakox: Converted from the Alternity Gamma World setting
Rogue Modron: Converted from the Planewalker's Handbook
Sandgrotha: Converted from the Alien Compendium 1
Sandray: Converted from the Alien Compendium 1
Sesheyan: Converted from the Alien Compendium 1
Shuriken: Converted from the Alien Compendium 1
Sleeth: Converted from the Alternity Gamma World setting
Skeeter: Converted from the Alternity Gamma World setting
Spiny: Converted from the Alternity Gamma World setting
Swanmay: Converted from the AD&D 2nd Edition Monstrous Manual
Sylph: Converted from the AD&D 2nd Edition Monstrous Manual 
Tabaxi: Converted from the AD&D 2nd Edition Monstrous Manual
Tabaxi Lord: Converted from the AD&D 2nd Edition Monstrous Manual
Terador: Converted from the Alien Compendium 1
Thought Master: Converted from the Alternity Gamma World setting
T'sa: Converted from the Alien Compendium 1
Urd: Converted from the AD&D 2nd Edition Monstrous Manual 
Ursine: A species of bear-men of my own design
Veractor: Converted from the Alien Compendium 1
Warbeast: Converted from the Alien Compendium 1
Wee Folk: PC stats for four species of small stature.
Weren: Converted from the Alien Compendium 1
Wizen: A species of owl-men respected for their wisdom *
Xarkos: A species of bat-men feared for their prowess as thieves and assassins *
Yexil: Converted from the Alternity Gamma World setting