This might be kind of werid or confusing but I hope a machine type.
Now don't jump to conclusions, I am aware of steel types but I mean machine.
As some of you might know, we often create machines that replace organs or body parts. Otherwise called a Bionic heart/arm/legs etc.
So no man said there cannot be such things a Bionic pokemon. Wheather its half robot or completely robotic, I would like see robot pokemon overrulling the city!
but thats probley never going to happen.