High Quality Content by WIKIPEDIA articles! Iroh (also known as The Dragon of the West, and most commonly referred to as "Uncle" by his niece and nephew) is a fictional character in Nickelodeon`s animated television series Avatar: The Last Airbender. The character, created by Michael Dante DiMartino and Bryan Konietzko, was voiced by Mako in the first and second seasons, but after Mako`s death of esophageal cancer, Iroh was voiced by Greg Baldwin in the third season. The short story "The Tale of Iroh", in episode 13 of Season Two, "The Tales of Ba Sing Se", was dedicated "In Honor of Mako".