I'm evil and I know karma will catch up with me.
That sounds sad. Why do you think this?
I had some mentors who taught me.
It's good that you can recognize that you behave in bad ways, but you should make changes. Changing your evil ways to behave good will make people respect you and drastically improve your relationships!
Well, I will do it maybe one day.
Don't you think if you do something wrong you should apologize for it? You can start making a difference today and don't need to wait for a hypothetical future event.