The unicorn. One of my most beloved films as a kid is The Last Unicorn. I remember it being a sad and poignant film, that I fell in love with unicorns, right away. So, if there was one mythical creature that I wanted to exist, it would be the unicorn. Also, given the chaos in today's world, why not have a creature that is the symbol of purity and grace, and whose horn could heal sickness, exist so, it could heal the world, even a bit.