The Questioner who sharply probes efforts at progress but is somehow absent whenever any work needs to be done.
The Role Model who will look great at the conference table so long as he or she never voices an opinion.
The Parliamentarian who won't oppose a motion for infanticide if it is properly worded.
The Lounger who resigned from the committee months ago but has told no one and continues to attend meetings.
The Mystic who will provide crucial information but only if asked with a direct question.
The Occasional Star who shines rarely but whose brilliance on those occasions makes up for all of the dead periods.