The modelling and texturing is finished - he has simple bold colours with a slight fracture texture to make it look like it is made of stone.
The rigging has been very entertaining so far, I'm learning new things that gives me a huge amount of freedom when animating him. I'm not finished yet but this is what I have.
I am most proud of the spine rig and the arm rigs - mainly because the spinal rig can twist and twist without buckling. For example the image below shows a 1200 degree twist.
Im proud of the arms because they allow me to switch between IK and FK animations with the flick of a switch