User blog comment:IceFireWarden0/Speculations for Season 11/@comment-72.24.39.170-20130723024422/@comment-80.177.19.218-20130723025208

I personally think the unknown soldier at the end is the Meta. If you listen carefully, there is a faint, Meta like growl.

Also, if it is the Meta, I also think Donut wasn't actually Donut. Because the Meta can record voices, and he's tapped into communications before.