Snowy is a for the X-mas update and roams around putting snow on the ground that can slow you for a few seconds and in the chat it sais "Snowy's snow froze you."
Every couple hours or minutes it will drop "Snowy's Special Gem" when you right-click it, it will give you 1 extra gem. Write the first section of your page here. Snowy will also shoot snowballs at pets that are hostile mobs.
You can get Snowy as a pet if you get the "Snowy Pack" Write the second section of your page here.