Hey Doc,
Good to hear that you've realized he's not the right person for you, or for anyone else at this time.
It's very understandable that you want to get back at him for what he did to you, but the biggest revenge would be to completely stop all kinds of contact and not lower yourself to his level and state of mind.
Think about it: Would you feel yourself better if you had to get back at him using the same kind of practices he used on you? The best way to make sure he doesn't hurt the people around you is telling everyone about him and the way he acted with you. There's no need to attack him personally in any way what so ever, because he's not a person that even deserves that kind (or any kind for that matter) of attention from you.
Whenever i'm hurt by someone, i try to be the bigger person. I know or feel that they're wrong and there's no need to try and counter it. If they display this kind of behavior time and time again, it makes it much easier to handle to just realize that you're smarter and stabler for just letting it go over your head and go on with your life without them having any influence over your happiness. People who need to abuse others are weak, and they're not worth any of your time.
We all deserve to be loved and to be able to love others back unconditionally, but not if they don't deserve it. Don't waste your time on him personally. Warn your social circles or other girls that he approached and tell them about him. Making him feel powerless will be his biggest defeat.
Feel free to pm if there's anything else you'd like to talk about. Good luck and have faith!