Maybe he just wants to be noticed. Would being a normal general ''boring'' person ever get you THAT noticed. Everyone knows who he is....
So depends what hes after....if its internet fame....hes got it? lol
Personally I've never had a problem with him, he's just a little lacking on subtlety....but so are many people in this world, just so happens one of them as joined a forum.
I don't think saying stupid things on an internet forum and leaving repeatedly constitutes a mental problem of any kind though....weird hasn't got a medical name....so they say