You Won't Hear From Me Again - "The Enemy"

For the illustrative response to the song Cracking The Whip, i've decided to focus on the theme of "The Enemy". In the song, he compares himself with his "enemy" so I think some research on contrasting forces/elements such as good and evil would be a good starting point. I'm thinking of having "the enemy" in a mirror/reflection, so it's a side of himself he rejects or is setting himself free from.

http://dholl.deviantart.com/art/Good-is-also-Evil-120302975?q=boost%3Apopular%20good%20and%20evil&qo=0
http://saibel.deviantart.com/art/Good-vs-Evil-119019506?q=boost%3Apopular%20good%20and%20evil&qo=22
http://anda0105.deviantart.com/art/Good-vs-Evil-119024281?q=boost%3Apopular%20good%20and%20evil&qo=9
http://payno0.deviantart.com/art/Good-Vs-Evil-118580815?q=boost%3Apopular%20good%20and%20evil&qo=26
http://payno0.deviantart.com/art/GOOD-versus-EVIL-119342459?q=boost%3Apopular%20good%20and%20evil&qo=129