Furies, dragons, Fae, gnomes, dwarfs, giants, merpeople, gorgons, gremlins, unicorns, Pegasus, trolls, ogres, orcs, minotaurs, griffins, sphinxes, centaurs, elves, rocs, Phoenixs.
Whatever Ты want, really.
If you're just having trouble thinking of ideas
link a great site that has hundreds of Фэнтези creatures.