As to "I'm evil but not really" side of things: I think the other posters have got it right. There are very few examples of unalloyed goodness in the Dresdenverse. So that's not an escapable paradigm. We can't all be Michael -- nor should we. If Michael Carpenters were frequent, they wouldn't stand out as such an important, vital part of the mortal struggle against the supernatural.
I'm not say we should all be Michael, far from it this is a noir world and there should be lots of gray area PC's I was just commenting on the almost total lack of any strongly good characters on this board. where are the repentant lawbreakers like Molly, the Father Forthhill's, the good wardens like Ramirez, or the wizards who do good while respecting the importance of the laws instead of finding ways to get away with breaking them.
Your example sounds like a good fit very noir but still a team player.
"Drizzt and Angel are two VERY different characters." Again I am not talking about backstory here what I am talking about is the psycology of the player the reason we are attracted to the dark hero with the tortured past who has all the powers of an evil being with out that pesky evil alignment. To me they seem like a dodge if they were rarely played they would be interesting, even refreshing, but they make up an absurd percentage of RPG PC's.
"One problem with trying to avoid all those stereotypes is that they are examples of people with flaws." I know this. they are examples of people 3 or 4 specific flaws. What I am saying is that I wish people would pick different flaws. I also think it speaks to our psychology as a group that you are only the 3rd person to post on this thread an example of what I was looking for and the rest are defending the need to play Thomas and Kincaid.
That said I love your idea way to go!
I love