Iroh

Iroh is a major character in the Avatar: The Last Airbender franchise. He's a retired Fire Nation general and the stern, but kind-hearted uncle of Prince Zuko, who assists him in his journey of capturing the Avatar and, later on, his redemption.
*Iroh (Avatar)
**Iroh (The Last Airbender)
**Iroh (Netflix)
*Iroh (The Legend of Korra) - The grandson of Zuko in Avatar: The Legend of Korra, who's named after the latter's uncle.