*reads that page*

That is a good theory (I mean I don't know that it's true, but it's interesting to ponder)

Maybe the only ones who get reincarnated are the Avatar's teachers? So friends like Sokka who aren't also teachers are new. And if Sozin is anyone I'd say he's Zuko.

Also teehee your icon. I keep noticing how many icons I've been seeing around are from the show :)