I'm gonna vote for
dodo. I think his reasoning is much weirder than blondu's. To turn off the PM pop up thing and changing his occupation from student? Seems like a very convenient excuse.

blondu is acting suspicious too, but he strikes me more as a bad C. It's tempting to vote on j0ker though. Him just making the required five posts while saying nothing at all is the stuff G's are made of.