I don't think I have found my character type yet. I try to make a conscious effort to always mix it up. I did and do a lot of Roleplaying (Pen&Paper, LARP) and it's boring to make your characters to similar there. Some of my inspirations originated from there, so I think my character roaster is pretty varied right now. I haven't written a lot yet, so over time I may discover my type a little more ^^
That being said I have certain character traits I give a lot of them. Many of my characters have a short temper, many of them see themselves as disconnected from the rest of the world (either because of arrogance or as a reaction to being ostracized) and many of them have a strong moral compass they follow (as misguided as it may be). It is important to me that my characters are driven individuals. They need to have some goals or an agenda, they want to follow.
So I guess I write a lot short tempered, but independent outsiders, with big goals they want to achieve. 