1. This guy

Forever lost among the grays I will remain, but still...

Obligatory nitpicking:
It appears this is not the original clip from the Spongebob Squarepants episode featuring “Sweet Victory” by David Glen Eisley. While our judges would have preferred the [whistle sound from the crowd] at 0:23-0:24 been left in, 3/4 judges were looking for their lighters by the end.
You are to be…

Guess I don’t need this anymore.

Agreed.
All is going according to plan...

[Sung in your head to the Adventure Time theme]
Fury Road Time
Come on grab your guns
We’ll drive this war-rig like that Meatloaf song
Jake’s not here
Finn’s still a hero
But PB is more hardcore
It’s adventure time!

Can I get some popcorn with your projection, bro?

Sorry I'm late.
I was having some trouble tidying up my place.

A long time ago on a bunk bed now far far away, a little boy tries to imagine what nothing looks like. Astronomy book saying something about before Big bangs brought everything into being. Boy's brow furrowed, burrowing an escape through his skull. Do I dare say more then this? This flare sent shot, falling star-like,…

When I read this wonderful comment, the only voice to pierce the veil and reach out from my subconscious to narrate is this:

[In all seriousness and sincerity, that is a beautiful comment. We need more of you around these here parts.]

Doesn't matter what I dressed as.
By the end of the night, I always find myself looking like:

Needs 20% more Joan:

The secret?

On a tangentially related note, this is what I always eventually end up being for Halloween:

Never forget.