Creatures like the narwhal, okapi, and Komodo dragon are on the short list of mythical creatures proven real. Yet, while scientifically interesting, these examples aren't in the realm of more fanciful and legendary animals like unicorns, Bigfoot, or the more hilarious mythical creatures that cryptozoologists fawn over. Mythical creatures in real life often fail to live up to the expectations formed by old legends, fairy tales, or cartoons.