Bigfoot.

When Arvid, the most malevolent yeti in all of the North Pole has come in possession of the powerful Master Scroll of The Naughty Children, he enlists the scroll's powers to banish Santa, his sworn arch nemesis, to the Land Of Holiday Misfits, a dreary place from which no one can return. It's up to a boy named Finn and his mighty dragon Haldor to rescue Santa and save the day before it's too late!