I've gotten a lot of pear flavors from two yeasts I've used so far, the duvel strain, which was mentioned earlier, and s-04. I did a side-by-side with s-04 and wlp023 on the same wort, and s-04 tasted like it had pear juice added. crazy.
Primary:Russian River Redemption clone, Kelly's Melomel, Graham's English Cider 22-23
Aging:Public House Dry Stout, Procrastination Porter, Mr. Brown Ale, Westvleteren 12 Clone, Mead, Duvel Clone, Graham's English Cider 6-21, Belgian Draak Strong Ale, Fig Melomel, Acerglyn, Restorative Tonic Metheglyn