So as it turns out the original speculation is true. Ikem is Zuko’s father not Ozai and that means that Iroh is not even Zuko’s uncle and Azula has every right to the throne over Zuko.
“Continuing on Ursa, the big reveal that is sure to be the big talking point among fans. Zuko’s biological father is actually Ikem, not Ozai.”
From this article.
What do you fans think? Does this change how you will perceive Zuko and the dynamic of the upcoming series of Korra?