Quote Originally Posted by abrojtm View Post
It's pretty clear that the one that is frozen is Roxas.

The one that takes off his helmet at the end looks like an older (20ish) Sora, but I don't really think it's him.
Given the time period during which the video can easily be placed (some time during the keyblade wars which occured before Xehanort's appearance at Radiant Garden), it is impossible for the character to be Roxas as he did not yet exist.