What's this It's your opportunity to celebrate the holidays with Jack Skellington and his trusty ghost-dog Zero from Disney Tim Burton's "The Nightmare Before Christmas." This Christmas tree ornament of the Pumpkin King and his beloved phantom pup make a whimsical addition to your holiday celebrations. Hallmark Ornaments are a great way to commemorate hobbies, life events and individual interests in entertainment, sports and more. Each festive and collectible ornament is perfect for sharing with family and friends.