Iroh is also known as Dragon of the west in the series. He’s Zuko and Azula’s uncle and older brother of Zuko’s father Fire Lord Ozai. He is a former Crown Prince as well. He leaves with Zuko when he is exiled from his country by Ozai. It is learnt that he has created his own fire bending and lightening techniques after closely observing water benders. He teaches these techniques to Zuko in the later seasons, which help him in defeating Aang and in capturing Ba Sing Se for Azula. He remains beside Zuko in all his bad times but still confronts him when he defeats Aang while in avatar state and later on Zuko regrets his actions as well. Later Iroh is put behind the bars for the charges of defending the Avatar. While in orison he refuses to meet Zuko. I the series finale it is shown that he has absconded from prison.
Mako-Voice of Iroh in first two seasons.
Real Name- Mako Iwamatsu.
Birthday- December 10, 1933.
Died on- July 21, 2006
Birth Place- Kobe, Japan.
Career- He was born in Japan but soon his family relocated to US. He is graduate in architecture, worked in military, and it was there that he came to know about his acting skills. Finally he got formal training and did debut with Never So Few. He is an Academy Award and Tony Award nominated actor. He has acted in numerous films and TV shows. He lent his voice for Iroh in Avatar- The Last Airbender and as Aku in Samurai Jack. He voiced for Iroh until two seasons only as unfortunately he died in July, 2006. He was suffering from Esophageal cancer.
Greg Baldwin- Voice for Iroh.
Birthday- September 13, 1960
Birth Place- Grants, New Mexico.
Career- Born in New Mexico and raised in Spring, Texas, Greg has worked the most in theatre. Currently he is residing in San Fernando Valley. His first theatre appearance was as Mushnik in Little Shop of Horrors. He is most known as a voice actor. He has voiced for Boris in Brandy and Mr. Whiskers and also worked for Xiaolin Showdown, Spongebob squarepants along with several video games. After unfortunate demise of Mako, he was the first choice of Avatar creators to replace the voice of Iroh in Avatar- Tha Last Airbender.
Also Read biography of Aang, Azula and Scott Grimes .