ITS IROHS SECRET TWIN BROTHER.
Ya, this post is a little late, but im on a bit of a picture frenzy and I remembered this. :D
Kind of reminds me of the Harry Potter and The Deathly Hallows.
DO NOT READ IF YOU INTEND TO READ HP AND THE DEATHLY HOLLOWS
[spoiler] ok so its not much of a spoiler, but how Aberforth, being Dumbledore's brother was a pub keeper. [/spoiler]
Iroh's secret brother is a shop keeper. who knew?