Companion replacement! - I want to change Codsworth's appearance.

[BarleyAlive]

I want to replace Codsworth's body for a custom one, however, it's not just a matter of changing textures or meshes, I basically want to pretend I found two broken robots and I put them together both in a single one - to mix a Protectron with a Mr. Handy. That would be roughly a Handy head with Protectron legs and arms, however, I know very well that would require custom animations and rigging to work.

So, what I'm asking is, is it currently possible or will it become possible with the coming of the GECK?

The only mod that seems to do something resembling this, that I've seen so far, is the Corgi companions for FNV, but I may be wrong since I didn't check under the hood.