We should definitely start tracking them properly. Some naming and shaming might not go amiss as well - we could have a big blackboard up in the bar listing people who have failed to turn up.

I wonder if there is any mileage in letting people opt to do two minion or two monster slots? I got the impression that there are some people who would prefer to minion twice rather than monster and there are probably some people who would prefer to monster twice rather than minion.