Yay!!! You got it, Hobbit!!!! 😀

First-met friend to some I knew,
Second to another,
Best friend (movie-verse, of course)
To one close as a brother.
Who am I?

(That was probably one of the worst riddles I've done so far... 😆 )

*fires in the dark* Jill?

No. But I can see how you'd think of her.

Ooh, ooh... I want to guess but don't want to risk getting it right and having to write a riddle ( 😛 ) , but... Mr. Tumnus?

Nope, but you're a bit closer. I can see how you'd come to him, too.

Mr Beaver?

Yes! It is indeed he. 🙂 Your turn!

[>>Claps<< Well done Hobbit and Lilli! I vote with Hobbit on Puzzle too]

Your tip about Nia's guess being closer was what made me guess Mr Beaver. 😛

Let's see.

Head of the pack, I am -
the rest of them think highly of me.
My bluff's a bit of a sham,
but you can't know what you can't see.
Who am I?

sounds like the head of the Dufflepuds.... Hmmmm did the Chief have a name?

Ding-ding-ding! Yes, 'twas the Chief Dufflepud! (That's the closest we get to a name for him, heh-heh.)

Visionary, chivalrous,
magnanimous too;
zealous for honor.
fearless and true.

The character that comes to mind is Reepicheep...?

Reepicheep it is! Your turn, Hobbit!