The39thStep
Urban critical thinker
not even the agent normally. One of the merry hoard of bored party supporters making sure they get every vote possible.
The only way to get a response out of any of them is to put your cross over two candidates' box. That way they'll both waste some time arguing that its a vote for them (and it'll eventually be dumped as spoilt)
I have a Guide to Judging Spoilt Ballot Papers booklet