With this guy the only thing to get skinned is the middle section other then that all the geo will be parented to joints since hes metal and it wont be deforming..
As far as length of the tut not sure have the first few recored so far...
I am enough of an artist to draw freely upon my imagination, knowledge is limited, imagination encircles the world. (Albert Einstein)
https://www.artstation.com/kurtb