Here are some concept pictures that I've made:
A Maquette of the Clockmaster
Ball & socket joint armature for the Clockmaster
We ordered the joint parts from John Wright modelmaking and soldered them together our self.
We are trying to make the heads with rapid prototyping. First model the heads on the computer in Maya, and then we will be printing them out in different parts so we can use them as replaceable parts when we animate. The parts will look something like this:
Link to our production blog: http://warpfilm.blogspot.com/