Fleshing Out the Company: Dori, Nori, Ori, Oin and Gloin

[His] bell rang again, as if some naughty little hobbit-boy was trying to pull the handle off. 'Someone at the door!' he said, blinking. 'Some four, I should say by the sound,' said

Fili. 'Be-sides, we saw them coming along behind us in the distance.'

 . . . Then the bell rang again louder than ever, and he had to run to the door. It was not four after all, it was FIVE.

–The Hobbit; Ch. 1: An Unexpected Party; p. 17 

You read right, Kind Reader! After the souped-up Fili and Kili trot into Bilbo's hobbit hole, not one, not two, but five dwarves show up all at once. And who might these five be, you ask? Well, assuming you've already forgot the title of this post, I'll give you a hint as to who one of them is:

Enough of a hint for you? Who might the other four uninvited dwarves be? Find out, after the break.