Why, the same people who have these, of course..
(Even a costume, so you can dress your kid like a hobbit to gurantee he will be summarily gay-bashed.. Only $26.95)
There are also life size carboard images, stationary, key fobs, pen & pencil sets, banners & flags as well as various articles of clothing and about a thousand other things that are too numerous and bizarre to mention here..
I guess I'm just getting: