Iroh is a fictional character in Nickelodeon's animated television series Avatar: The Last Airbender, and The Legend of Korra, and is part of the Avatar: The Last Airbender world. Created by Michael Dante DiMartino and Bryan Konietzko, the character was voiced by Mako in the first two seasons and, due to Mako's death, by Greg Baldwin in the third season and the sequel series The Legend of Korra.