Edgar and Ellen/YMMV

The books

 * Crowning Moment of Awesome:  Big Damn Heroes moment, followed soon after by
 * Crowning Moment of Heartwarming:
 * The twins' reunion in Frost Bites, after Edgar had briefly thought Ellen dead. For some reason, the text doesn't mention the hug they share, but an illustration shows it, and it is glorious.
 * Their reunion in Split Ends as well, although the dramatic tension is considerably lightened by their exchange beforehand.
 * in Hot Air. These two went through a lot to get to this point.
 * Growing the Beard: Under Town was where the series truly started to shine, with continuity starting to come into play and the first mysteries being introduced. And that's not even going into
 * Moral Event Horizon:  in Frost Bites, when