Bowser n DK are the hard to find ones. That's why they go for so much on eBay. I was lucky enough to find the last ones of each at my Toysrus for $17.50 each
Link figure- https://www.ebay.com/itm/271570363532?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
Mario figure- https://www.ebay.com/itm/271570365006?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
yoshi figure-...