Perhaps I should start a whole new "pet punctuation peeves" thread, but one of the things that really, really, really annoys me is the wanton misplacement of the innocent, well-meaning apostrophe, as in "twin lobster's" or--in the specific case of a local landmark that I'm sorely tempted to amend, in an act of guerilla punctuation--"Two Brother's Cafe." It just enrages me.

~D