Oooh! Oooh! Impa!
At least I think so. I mean, she's supposed to be a Sage in Ocarina of Time, which would explain her long lifespan. So she's way younger in Skyward Sword and possibly is the very one who founded Kakariko Village after Hyrule was saved.
I wonder if that the Zora's pre-evolution form. That would explain why they altered into the Rito after Hyrule was flooded, because genetically they're based on an evolutionary system where they change so that they can adjust to the environment. How that applies to these guys, I'm not sure...
1. Ghirahim is not the main antagonist; he's stated that he needs to wake up his resurrect his "master."
And,
2. The Sky Whale is just a dream Link has.
Dude, this is one wicked find!
Also, I'm not sure if this has been added yet, but here you go:
http://www.youtube.com/watch?v=lFzfx8f9tGM
You just have to skip to about a minute before the end to find the good stuff. ^^