Is Kuzon related to Zuko?

[Avatar: The Last Airbender / ATLA] Kuzon, Aang’s friend from the Fire Nation in childhood, was Prince Azulon, the son and heir of Fire Lord Sozin, and grandfather of Zuko.

Is Fire Lord Azulon Kuzon?

There’s also a lot more evidence to suggest this mysterious Kuzon is actually Azulon. The theorist observes that Aang was previously friends with Bumi, an Earth Kingdom prince.