I bet you thought I had given up the challenge :p
Well, I waited too long to get started, so in the end I probably won't be able to animate it, but I think I will be able to at least model it and pose it.
Here's what I've been doing the past couple of days, I have the wholte character in pieces for the moment, the next thing to do is the neck and legs, that's when I'm going to put all the pieces together in one scene and then try to rig it.
The arm: