I've mostly got a "don't tell me what I can't do" sort of vibe.
He's got a tendency to pull off transferring his mind to new clone bodies or robots or whatever else so it's hard to ever say he's actually gone, but the only thing I heard of him was... shit, I think it was the inversion. I don't know, a few years ago? He sure hasn't been up in my business lately, and sometimes I think he hates me almost as much as Steve.