Crochet connoisseur Rin aka deadcraft aka oddgumi makes wonderful dolls of personalities both fictional and real, as long as they're awesome. I am confident that a Barney Stinson doll is in the works. Let's look at some her creations:
Forget what I said about Jamie. That is creepy. Yet still awesome. Should you want to scare the hell out of anyone, you can buy the Heath Ledger Joker doll for $24, also at Rin's Etsy shop.
"War has changed. War has become routine. And for some reason I know nothing about what's going on and always have to be informed by Otacon and everyone else around me." So says Old Snake, who for some reason seems to be carrying sausages around his neck. Unfortunately, the Snake doll is not currently on Rin's Etsy shop, but I'm pretty sure she won't turn you down if you ask her to make you one.