I am building another humanoid robot, this time with what are called "robot", double ended, servos. This picture is what he looks like so far.
I even went a step further and purchased "Serial bus" servos. They require a special controller and then you need to program them with ID numbers. This next picture is what a robot bus servo looks like. Only one end is powered the other end has a servo horn that slips freely.
This is the robots size chart according to the eBay advertisement.
I have added a battery, processor and all the cables. Getting close to operating!