9D9-s54 Spy Droid has had every external component painted black as night, with attempts to minimize the brightness of external lights and features. This allows this 9D9-s54 Spy Droid to more easily blend into the shadows and darkness unseen.

9D9-s54 Spy Droid has received advanced automated repair programming based on the original 9D9-s54 Spy Droid schematics, giving it an ability to perform or assist in the performance of self-diagnosis and self-repair of its mechanical systems. This system engages automatically upon damage, and can render the droid temporarily unavaialble while it assesses any necessary repairs before further action can be taken.

9D9-s54 Spy Droid has developed a predatory nature similar to those often associated with assassin droids. As a result, 9D9-s54 Spy Droid will often approach a situation with the mind set of a hunter, and convey their findings as such. This can be disconcerting to others who are unaccustomed to 9D9-s54 Spy Droid.