http://starwars.wikia.com/wiki/Guardian_Corps
Would you allow it? I like the idea, but the size of those things worries me. 9 feet tall would certainly be silhouette 2, wouldn't it? He is open to being "modified." I'm not familiar with these things and just not sure the best way to tackle it.
If you have read through some of my other threads, this is for a game I am running as a first time GM for a handful of personal friends that have never played a pen and paper RPG before.