Morozko, or Father Frost, is the Spirit of Winter. In the dark period he makes everything sparkle with frost and snow flakes. He is glamouring beauty. And the colder it is, the more sparkling. That's the faerie of wintertime. Everything has a bright side. Later on, Saint Nicolas took over, the Russian patron saint of children... and prostitutes. And then Father Christmas. But the true and only one is Morozko. He's not nice to all, it's conditional. As it should be.
Morozko Fairy Tale:
Once there lived an old widower and his daughter. In due time, the man remarried to an older woman who had a daughter herself from a previous marriage. The woman doted on her own daughter, praising her at every opportunity, but she despised her stepdaughter