Yeah, I kin, more particularly fictionkin. However, I personally call them Projections because it feels right to me. These characters are what I like to see as my canon sonas, a strong self-projection in certain characters that are all too familiar to just be a simple They're Me moment; they're beyond words to describe that willy-nilly feeling.
Truthfully, being a kin is one of the many trivial things I happen to be in. Just like my other peculiar interests, I don't talk about my kin life as much. I mostly keep them to myself, but I'd occasionally talk about it here, I suppose. You can also tell the names I go by are borrowed from my kintypes, but it got to the point where I've stuck with the names long enough to turn itselves as part of my (online) identity.