Ahuizotl
Bite-acuda
Breezie
Bufogren
Bugbear
Bunyip
Centaur
Cerberus
Changeling
Chimera
Cipactli
Cockatrice
Cragadile
Cyclops
Diamond Dog
Draconequus
Dragon
Flash bee
Fly-der
Fruit bat/Vampire fruit bat
Gargoyle
Great Seedling
Griffon
Hippogriff
Hydra
Jackalope
Kelpie
Manticore
Maulwurf
Minotaur
Ophiotaurus
Orthros
-
~~Parasprite-
~~
Phoenix
Pukwudgie
Quarray eel
Roc
Sea serpent
Siren
Slingtail
Sphinx
Star spider
Tatzlwurm
Timberwolf
Twittermite
Ursa
-
~~Whirling Mungtooth-
~~
Windigo
Winterchilla
Yak
And whatever creatures the Storm King's guards were. ;-)