Iroh

Iroh is a fictional character in Nickelodeon's animated television series "". The character and series were created by Michael Dante DiMartino and Bryan Konietzko. 
Iroh is voiced by Mako in seasons 1 and 2, Greg Baldwin onwards. Paul Sun-Hyung Lee will play the version of him. His family is his sister-in-law Ursa, his brother Ozai, his nephew Zuko, and his niece Azula.