Anyway, continuing from the last one...
Mom Droid ended up getting pilfered by Dee Dee, and Dexter being the guy he is, wouldn't take it lying down.
Thus, Mom Droid 2.0 was created to over power and take back the original mom droid from Dee Dee.
Unlike the original Mom Droid that closely resembled his real mother, this one was actually built to be stronger and more superior at combat in order to over power the original. It still lost due to Dexter being bad at video games and from the fact that the fight had to be stopped in order to try and fix the house.
11/9/2014: Went back and colored this one. Hope she looks "metal' enough.