Wheel Master

http://www.khexcursion.net/gallery/image.php?image=images/bbs/bbs_51.jpg

The Wheel master is a large mechanical creature part of whats known as Unbirths. He has the only boss availible to the demo of Terra at the DK₤3713 event in Japan. This boss is located in the Enchanted Kingdom, a world based off of Sleeping Beauty. Though this is considered to be a hard fight, you could escape from the battle during the demo.