After messing around a bit i was able to found how to do the several characters in one less traumatic, only modifying the effects and a few powers can do the trick to make the attacks look different and provide different character experience
Disadvantages (find up to this stage) of this type of moddding:
-No sounds. Otherwise you will have sounds of bullets for power attacks, male voices for females and viceversa...
-Some times requires to activate the "all powers" cheat.
I will be re-uploading my previous works that way. Altough the process will be slower:
Energy Brigade (