I like many of those alot! For some reason, that last one of the Rodain with the trenchcoat jumped out at me. It looks like it was very simple, yet it looks very
Star Wars! On the others, you use some really interesting and unique parts. they all look good.
I did this one a few years ago.
Although, I thought of him as a new character. You're right though, that body and head do lendthemselves to each other very well.
Nice work all around!