Some of these folks are the people you see almost every day yet know nothing about. Others you do your best to avoid over the course of the calendar year, tradition and family be damned. Either way, this universal rogue's gallery forms a dark shadow over many a Christmas list, causing stress instead of joy as one tries haplessly to buy a gift reflecting the perfect combo of sincere-seeming, cheap, and appropriate. But picking out a present doesn't need to be a total shot in the dark. These ideas should make the process a little more painless.