Oh yeah. I think I saw some of his posts, and I guess I responded to him as well. But I don't remember in which thread. A couple of weeks ago, I caught another user with similar behaviour. He was one of our local users who had copied and pasted the same message in multiple threads, and Freemind helped by moving them into the trash.
As the forum economy grows, spammers will increase over time, and they will try to rank up quickly to get a spot in the signature campaigns. This is a known fact. Fortunately, it can easily be detected, and the mods help punish those spammers.