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Voiced by: André Sogliuzzo
"I heard what you two did. I am the proudest father in the world. And your mother would be proud too."Father of Sokka and Katara, Hakoda is the chief of their village in the Southern Water Tribe. Shortly after his wife Kya was killed in a Fire Nation raid, Hakoda led the men of the tribes off to war. While he genuinely loved his children, he realized that this was for a greater good and left them behind. Later in the series, he was reunited with his children and led an coalition army of Water Tribe and Earth Kingdom forces into the Fire Nation capital on the Day of Black Sun. When the invasion plan failed, he led the other Gaang tagalongs onto a bus. Sokka rescued him from prison in the finale.
- Action Dad: Just like his children, he doesn't just stand idly by as the Fire Nation is attacking. He even went to fight against them long before they did.
- Badass Normal: Like his son he is a non-bender and is still chosen to lead a large group of benders to invade a national capital.
- Bunny-Ears Lawyer: While a brave, clever and capable leader, Sokka obviously inherited his sense of humor.
- Daddy Had a Good Reason for Abandoning You: Though he had the grace to tell them why beforehand.
- Disappeared Dad: Just who was his birth father, Kanna's first husband, and Sokka and Katara's grandfather.
- Foreshadowing: Briefly appears in "Appa's Lost Days" before formally appearing in Season 2's Finale.
- Good Counterpart: To Ozai. He's a figure of authority and a father that fights a war. The difference being he is fighting to defend his family and not only does he freely tell his children he loves them but assures them that they don't have to earn his love.
- Happily Married: Was implied to be this with Kya.
- Like Father, Like Son: So much that only Sokka finds his jokes funny.
- Parents in Distress: He gets captured during the invasion and Sokka has to rescue him from the Boiling Rock.
Voiced by: Richard McGonagleA Water Tribe warrior and Hakoda's lieutenant and best friend.
Voiced by: Michael Dow (original), Rodrigo Saavedra (Latin American Spanish)
Haru is a teenage Earthbender whom Aang, Katara and Sokka met early in their travels. He was the only active Earthbender left in his village, and that because he hid his abilities at his mother's behest. The Fire Nation occupied their village and carted off any Earthbender to prison on board an all metal ship.Katara convinced Haru to Earthbend to save the life of an old man, which resulted in him being imprisoned. Katara faked Earthbending to get captured as well, and rescued him, inspiring Haru, his father, and all the captive Earthbenders to fight back against the Fire Nation.Katara and Haru had a strong bond because they had each lost a parent to the Fire Nation, and the bond only grew stronger in gratitude once Katara's bravery reunited not only father and son, but freed all the captive Earthbenders.
- Badass Mustache: After he reappears in "The Day of Black Sun".
- Bonding Over Missing Parents: With Katara.
- Death Glare: Gives a powerful one to the warden after said warden mocks Katara about her speech.
- Defiant Stone Throw: In "Imprisoned", to show the warden that Katara's rousing speech did work.
- Dishing Out Dirt: Just like all Earthbenders.
- Guest-Star Party Member: Though he doesn't end up doing anything major, he still spends some time with Team Avatar at the Western Air Temple after the invasion fails.
- Hunk: He has a very cute face and quite the nice body build.
- Long-Haired Pretty Boy
- Meaningful Name: "'Haru'" can mean "Spring" in Japanese, which is loosely connected to his element.
- Porn Stache: With a lampshade from Sokka.
- Ships That Pass in the Night: In-universe (sort of); in the "Shipping School" short, Haru is paired up with Ty Lee.
The Mechanist and Teo
Voiced by: René Auberjonois (Mechanist), Daniel Samonas (Teo)As a brilliant engineer and scientist, the Mechanist works to help others and his son Teo with his inventions. When his village was destroyed by a flood (during which Teo lost the use of his legs), the Mechanist moved his people into the nearby Northern Air Temple, and gave Teo a hang-gliding wheelchair based on Airbender designs. The Fire Nation eventually learned of the Mechanist and blackmailed him into creating weapons for them. After getting a guilt trip from Aang, the Mechanist turned against the Fire Nation. Now he and Teo build weapons for the resisting forces to take down their former oppressors.While both of them appear only a handful of times, they end up having a big role in the plot. Some of their designs end up being a big factor in the Fire Nation winning the Day of Black Sun.
- Ditzy Genius: The Mechanist.
- Fingore: Played for laughs. The Mechanist has three wooden fingers. One for each failed attempt at creating a knife sharpener.
- Graceful in Their Element: Teo in the air.
- Hoist by His Own Petard: The war balloon the Mechanist made is a two-fold one. The Mechanist was originally forced to create it for the Fire Nation's benefit, but he eventually rebelled and used it against them, to thwart a Fire Nation raid on the Northern Air Temple. Unfortunately, when it crashed, it ended up benefiting the Fire Nation anyway: it was discovered and studied by the Fire Nation, leading them to create their own war balloons, which they used during the Day of Black Sun and when Sozin's Comet passed by during the Grand Finale.
- Ill Boy: Teo.
- Improbable Piloting Skills: Teo in a flying wheel chair!
- Mad Scientist: A kinder version, though.
- Missing Mom: Teo's mother was killed in the same flood that crippled Teo.
- No Plans, No Prototype, No Backup: Averted to their loss. The war balloon created by the Mechanist was salvaged by the Fire Nation, who used it as basis to make their own war balloons.
Voiced by: Johanna Braddy (original), Ximena Marchant and Keyros Guillén (Latin American Spanish)
"I wish we could just be friends. But I like you too much, and it's too confusing to be around you. I'm marrying someone else."
Princess of the Northern Water Tribe, Yue was born a sickly baby. In an effort to cure her, her father prayed to the Moon and Ocean Spirits for her health, and the Moon Spirit obliged, giving her a part of its life. Years later, she fell in love with Sokka, but felt conflicted over it due to her Arranged Marriage with another Water tribe warrior. When Zhao killed the Moon Spirit, Yue used the life energies the Moon Spirit used to heal her to bring back the moon, losing her life in the process. She now acts as the new Moon Spirit and occasional Spirit Advisor to Aang.
- Always with You: Her last words to Sokka.
- Arranged Marriage: Had one to a Jerkass named Hahn.
- Ascend to a Higher Plane of Existence: She became the new Moon Spirit.
- The Chief's Daughter: Though Played With; she falls for Sokka, who is technically from her people, but also a Southerner.
- Dangerous Sixteenth Birthday: The Moon Spirit gave some of its power to Yue to save her when she was born. On her sixteenth birthday, Zhao kills the Moon Spirit, forcing Yue to sacrifice her life to restore balance.
- Dark-Skinned Blond: Well, white hair anyway.
- Equivalent Exchange: Yue later gives the moon spirit's power back to become the moon spirit after Tui is killed.
- Everything's Better with Princesses: She's referred to as a princess, even though her father's rank is Chief.
- The Fettered: Yue is very concerned with what she perceives is her duty.
- First Love: Sokka's.
- Graceful Ladies Like Purple: Her primary outfit has a lot of purple.
- The Gwen Stacy: After her Heroic Sacrifice, she becomes this to Sokka.
- Heroic Sacrifice: Sacrifices her life to restore the Moon Spirit after Zhao kills it.
- The Ingenue: Her sweet and kind disposition is her defining trait.
- Laugh of Love: She tends to laugh when she's with Sokka (and they eventually kiss), but not with her betrothed.
- The Lost Lenore: For Sokka.
- Lunacy: The moon spirit Tui gave part of her power to heal Yue when she was going to die.
- Making a Splash: She becomes a waterbender after she died, as shown in "The Awakening".
- Meaningful Name: "Yue" means "moon" in Mandarin Chinese and "tragic accident" in Japanese. It's traditionally used as a name for infants that are expected to die.
- Mystical White Hair: Her hair color is a plot point. She was actually born (or rather still-born) with dark hair like everyone else in the water-tribe (and pretty much everyone in the four nations). When the moon-spirit saved her infant life, her hair turned pure white and remained that way all her life.
- No Body Left Behind: Her body faded away after sacrificing herself.
- Princess Classic: The only one in the Avatar series.
- Single Woman Seeks Good Man: Yue falls for Sokka because he is shown loving her for who she is and genuinely wanting to make her happy, in contrast to her fiance (who brags about the "perks" that come with marrying the princess, prompting Sokka to call him "a jerk with no soul").
- Star-Crossed Lovers: With Sokka.
- Temporary Love Interest: To Sokka.
- Uptown Girl: A princess who falls in love with a commoner of the Southern Water Tribe. Technically Sokka has the same position as Yue, the Chief's eldest child and heir, but the Southern Tribe is so destitute that he's basically a peasant.
- We Hardly Knew Ye: Appeared in a whooping two episodes before she died, and hasn't reappeared since then outside from visions in "The Swamp" and "The Awakening".
- Winter Royal Lady: Downplayed; she manages to fill a lot of the trappings of the trope, but all the "Winter" parts are basically portrayed as coincidental - she's treated as a relatively normal princess than an exotically mystical one (even if she does have some mysticism in her story).
- The Woman Wearing the Queenly Mask: She's willing to do what is best for the Water Tribe, even if it means marrying a man she doesn't love or making a Heroic Sacrifice to resurrect the moon spirit.
Earth King Kuei
Voiced by: Phil LaMarr
Earth King Kuei is the king of Ba Sing Se. He is the youngest earth king in the city's history, and has unfortunately been the puppet of Long Feng and the Dai Li. But after exposing and destroying the Lake Laogai brainwashing facility, the Gaang convinces him about the war he's been kept in the dark about his whole life. He agrees to commit his city's resources. A disguised Azula overthrows him before The Plan gets off the ground. Rather than take back his city (he is not, apparently, an Earthbender himself), he and his bear Bosco decide to see the world instead.
- Adorkable: His actions, oblivious behaviour and attitude towards his pet bear Bosco definitely make him fit the bill.
- Captain Oblivious: Long Feng did such a good job of fooling him that Kuei was completely oblivious to everything that was going down in his kingdom, including the war.
- Clueless Boss: Starts off as a typical, a well meaning young man completely ignorant of the world around him and controlled by his Evil Chancellor, to the point where he's unaware that his kingdom has been engaged in, and slowly losing, a war a century.
- The Good King: He managed to become this upon returning to the throne after Ozai's defeat.
- Homage: To (quite appropriately) The Last Emperor, down to those round glasses. Some fans think he looks like Stephen Colbert, although his choice of pet is very un-Colbertesque.
- Long Bus Trip: He goes off to travel the world after Ba Sing Se is conquered by the Fire Nation and never again reappears in the show proper.
- Meaningful Name: "Kuei-lei" is Chinese for "puppet".
- Reasonable Authority Figure: Once his eyes are opened to what's really going on in Ba Sing Se. Even before that, despite the Gaang breaking into his palace and laying waste to his guards, he does actually hear them out when he sees that they are willing to lay down their weapons and finds out Aang is the Avatar. And he does not take what they say at face value, he requires proof. Fortunately, they have some, leading to the aforementioned eye-opening.
- Royals Who Actually Do Something: In Avatar: The Last Airbender – The Promise he tries to become this by leading his army into battle. Then he really becomes this when he stops hostilities between the Earth Kingdom and the Fire Nation to actually figure out what the best course of action should be, and not just for the Earth Kingdom.
- Sheltered Aristocrat: He's never set foot outside of the palace in his life, and Long Feng has kept him oblivious to what's really going on in Ba Sing Se.
- Walking the Earth: What he decides to do after Azula overthrows him.
- What Happened to the Mouse?: After he goes off to see the world we never see him again, though the comic Avatar: The Last Airbender – The Promise reveals he came back to rule the city. His daughter appears in the third season of The Legend of Korra as the hereditary ruler of the Earth Kingdom.
Fire Sage Shyu
Voiced by: Michael YamaFire Sage Shyu is the first person from the Fire Nation to ally with and help Avatar Aang and his friends. He assists Aang in communicating with Aang's past life, Avatar Roku, who was also from the Fire Nation and who blames himself for the Hundred Year War. Through Shyu's aid, Aang learns that he must defeat Fire Lord Ozai, before the summer, because by then a giant comet will have arrived granting enormous power to the Fire Nation's Firebending armies. The Comet is what gave Ozai's grandfather Fire Lord Sozin the power to start the war and wipe out Aang's people, the Air Nomads.
- Badass Grandpa: A very low key one, but he qualifies. Oddly enough, he seems to be the youngest on the Sages.
- Martial Pacifist: Shyu can certainly handle himself, but he would rather avoid fighting unless he absolutely has too.
- Screw the Rules, I'm Doing What's Right!: He betrays the other Sages in order to help Aang. He may be Fire Nation, but he's also a Sage destined to help the Avatar.
- Turbulent Priest: Shyu turns against the Fire Sages and the Fire Nation, to help Avatar Aang and his friends. When questioned about why he betrayed the Fire Nation and helped the Avatar by the then Prince Zuko, Shyu simply says "It was once the sages' duty, I believe it is still our duty."
- Warrior Monk: As a Fire Sage who knows the martial art of Firebending, Shyu and the other Fire Sages are naturally this.
- What Happened to the Mouse?: Neither Shyu nor the other Fire Sages are ever seen again after the first season episode "Winter Solstice Part 2". He eventually reappears in Avatar: The Last Airbender – Smoke and Shadow.
Voiced by: Mako (original), Greg Baldwin (after Mako's death) (original); Mario Santander (Latin American Spanish)
"Sick of tea?! That's like being sick of breathing!"Zuko's and Azula's uncle and Ozai's brother, Iroh was once the heir to the Fire Nation throne, a mighty general known as the Dragon Of the West. After the death of his beloved son Lu Ten, Iroh lost his thirst for conquest and retired. Afterwards, Iroh came to think of Zuko as his own son. When Zuko was exiled, Iroh went along with him to mentor and protect him. While he tends to act very silly most of the time, he is one of the most capable of the cast, and likely a match for Ozai himself.
- The Ace: Iroh's fire bending rivals Ozai's for strongest in the world and he possesses far more martial ability than him as well, to the point where he was seen as the clear choice for a successor by their father. However, his son's death caused him to have a breakdown and become reduced to a shell of his former self... but ultimately caused him to rethink things and become not only a better person, but even stronger than he was before. He's also one of the most charismatic, personable and intelligent characters in the entire series.
- Acrofatic: During Seasons 1 and 2, he's a tubby guy who is nonetheless agile and combat capable. He successfully hits Azula with his belly by jumping at her.
- Action Dad: He was this back when he was a General and his son Lu Ten was alive.
- Actor Existence Failure: Averted in regards to the role. Mako passed away in the latter parts of Season 2 production, but luckily Greg Baldwin took up Iroh's character. Incidentally, Iroh's story in The Tales of Ba Sing Se concludes with a message "in honor of Mako" during the scene where he cries before his dead son's portrait.
- Anger Born of Worry: There's not much that gets to Iroh, but when Zuko is once again planning on going on a reckless mission that could get him killed, Iroh absolutely loses it. This jolly old man is very patient but he is extremely afraid of his nephew getting himself killed due to not thinking things through and it manifests as one of the very moments of raising his voice. Iroh has already lost one son, he's not losing Zuko.
- Affably Evil: A mellow, easy-going, Cool Old Guy who loves tea, Pai Sho, and just relaxing. He also just happens to work for Zuko, his Troubled, but Cute Anti-Villain nephew (although Iroh is never seen doing anything particularly evil, and he never really helps Zuko make any major progress toward capturing the Avatar). Subverted like whoa when it that turns out he secretly did a Heel–Face Turn several years ago and, since then, he's never supported the Fire Nation in their quest to Take Over the World. And he's also a prominent figure of the Order of the White Lotus. Pre-Heel–Face Turn, though, he fit this trope to a T. In one flashback, he's seen writing a kind letter to his family in the Fire Nation while leading a brutal siege against Ba Sing Se (in the letter, he even casually jokes about the possibility of burning the city to the ground). Later during this siege, his son died, and this seems to have triggered his Heel–Face Turn, possibly because of the uncomfortable realization that this is the kind of emotional trauma that he's been inflicting on Earth Kingdom families for years on end.
- Always Someone Better: Part of Ozai's motivation clearly stems from a resentment towards Iroh's superiority over him in their father's eyes. In all flashbacks before Azulon's death, Iroh is leading the majority of the Fire Nation's forces to battle while Ozai simmers in rage at the palace doing nothing in particular.
- And Then What?: When Zuko attempts to steal Appa from the Dai Li and use him to bait Aang without even thinking about what to do with him afterwards, Iroh forces him to confront his Didn't Think This Through tendencies this way and demands to know what he wants to do with his life, contributing to Zuko's Heel–Face Turn.
- Animal Motifs: Dragons. Referring to his well known title, the Dragon of the West, who protected the last of the dragons, from whom Zuko and Aang later learn the true source of Fire Bending from.
- Anti-Villain: He has no malicious plans of any sort and is mostly concerned with helping Zuko.
- Badass Beard: A standard Fire Nation beard and easily one of the most badass characters in the show, by miles. While he hides it behind his Cool Old Guy facade, when he fights, he's devastating in combat, one of the strongest fighters in the series.
- Badass Grandpa: Still a powerful Firebender well into old age, enough so that Zuko tried to get him to challenge Ozai when Aang disappeared.
- Badass Teacher: Served as Zuko's firebending instructor during his nephew's banishment.
- Big Fun: Season 1 and 2. He's a jolly guy that can get along with everyone, even Toph, who is technically his enemy.
- Big Good: Grand Master in the order of the White Lotus which is dedicated to the same sort of 'global harmony' as the avatar, thus making them a concealed Big Good.
- Breakout Character: His tragic past, kindness- especially in being the Morality Pet of the also extremely popular, Zuko, sheer badassness and Big Fun attitude made him one of the most well-loved characters in the show, and expanded his role from- which at one point was so different, he would have been Evil All Along- to one of the major characters in the story.
- Breath Weapon: "Did I ever tell you how I got the nickname Dragon of the West?" While he's not the only Firebender who can do this, this is his signature move.
- Broken Ace: Iroh was one of the greatest strategists of his time. Then, his son died in the war...
- Bunny-Ears Lawyer: He is one of the greatest Firebenders in the world, and the leader of an organization of Badass Grandpas who have all dedicated their lives to mastering their art/fighting style. He's a goofy dirty old man who would much rather drink tea and play pai-sho.
- Cain and Abel: Abel To Ozai's Cain, though the two never fought directly. When he was given the chance, Iroh declined, as it was Aang's job.
- The Caretaker: To Zuko. All those years abroad searching for the Avatar and it was he who keep Zuko on the straight and narrow.
- Charles Atlas Superpower: Iroh has displayed the strength to toss boulders, while out of shape. When he got into shape, he managed to bust out of a jail cell despite being depowered at the time, and can casually flick much larger men away from him, as he did to Zhao in the third episode. However he does it, he seems to have passed it on to Zuko.
- Chick Magnet: Despite his age, Iroh could be quite the ladies' man when the need arose, often flirting with various women on his travels. Many of these were older women but some have been much younger, such as the bounty hunter June and an Earth Kingdom peasant. He was also addressed as "handsome" on multiple occasions.
- Chivalrous Pervert: During the fight between Team Avatar and Zuko and June, June's animal companion, who has a tongue with neurotoxins that can paralyze anything that it licks, is "blinded" and lashes out, stunning Zuko and June. When June fell, Iroh "fell" so she was on top of him. Zuko comments that he didn't see Iroh get hit, and Iroh shushes him and goes back to enjoying his "paralysis." June was not amused.
- Cincinnatus: Of the 'does not want power' type. He'd much rather run a tea shop and let his nephew run the nation.
- Cool Old Guy: Friendly, funny, badass, and plays a mean game of pai-sho.
- Cool Uncle: To Zuko, specifically, who sees him as the source of all wisdom.
- Crouching Moron, Hidden Badass: Despite being a laid back guy currently, remember that he earned the moniker Dragon of The West. Exemplified by the conversation between Ozai and Zuko during the Black Sun: While Ozai was derisively referring to Iroh's expertise in "tea and failure"... Iroh was busting himself out of prison by himself.
- Cultured Badass:
- Not only can he kick your ass in the battle arena, he can kick it in pai-sho and tea brewing!
- Unlike the rest of the Royal Family, he respects and has carefully studied the cultures of the other nations, even incorporating some aspects of waterbending into his fighting style. In fact we see him using wisdom drawn from all the world's cultures at some point; The aforementioned lightning redirection is from Water bending, his prison escape is done by simply waiting and picking the right moment as Earthbender King Bumi would (and did) do, and he tries to detach himself from Fire Nation politics to lead a care-free life, like the Air Nomads' desire to detach themselves from worldly concerns.
- Cynicism Catalyst: Inverted. It's implied that if his son hadn't been killed in the Battle of Ba Sing Se, Iroh would've been a different person rather than the cheery, yet tragic Cool Old Guy. Not necessarily evil, but he definitely would've been a powerful, feared Fire Lord after the victory."Leaves from the vine...falling so slow..."
- Dark and Troubled Past: Iroh was once a very powerful warrior and general in the Fire Nation army, leading a siege on Ba Sing Se. Then, his son died, he went into a Heroic B.S.O.D., and 'betrayed his nation'.
- Death Faked for You: Protected the dragons from being exterminated by pretending to kill the last of them himself.
- Dirty Old Man: More of a chivalrous version, but he still enjoyed his "paralysis" on top of Jun and sings of the charms of young women.
- The Dragon: Implied he was the leading general to his father Azulon in the past until his son's death because he is the general in charge of the siege of Ba Sing Se.
- Drink Order: Tea.
- Eccentric Mentor: He's obsessed with tea, acts goofy, and is so casual you'd think he didn't know there was a war going on, yet he's the key to Zuko's Character Development and helps along Aang's and Toph's too. He could also be seen as a Trickster Mentor.
- Et Tu, Brute?: He really must have felt disappointed when Zuko betrays his trust to help capture Ba Sing Se for Azula and Ozai's approval.
- Everyone Has Standards: He may be a part of the Fire Nation, but he has some morals. For example, in the finale of Season 1, he tried to protect the Moon Spirit by saying that even the Fire Nation needs the spirit. Of course, Zhao doesn't listen to him and Iroh angrily fights Zhao's soldiers.
- Establishing Character Moment: His first scenes have him first attempting to get Zuko to stop obsessing over the Avatar and have some lunch, and then lecturing him on the importance of the fundamentals of firebending. He may look like a lazy old man, but he hides a very insightful mind.
- Fatal Flaw: Iroh's bizarre fatal flaw is his love of tea. While normally the wisest and more sensible figure in the entire series, he makes some monumental mistakes when around the stuff. Once, when having to hide his identity as a Fire Bender, he used his bending to heat up some cold tea and nearly blew his cover. When finding a plant whose leaves were either the world's most refreshing tea or pure poison, he ground it up and drank it due to temptation. It was poison.Zuko: What are you doing Firebending your tea!? For a wise old man that was a pretty stupid move!
- Fights Like a Normal: A lot of his fights don't have him firebending, and even then, he rarely utilizes his full strength (which is a lot more than you might think). This comes in handy during the Day of the Black Sun, when he busts out of jail when all firebenders were depowered.
- Foreshadowing: His White Lotus tile may not seemed important when brought up during Book 1, until you later find out about the Order of the White Lotus.
- For Happiness:
- Everything he ever does is to make people happy. He constantly tries to keep his nephew on the right path, helps Toph along in her Character Development, and commends Aang for refusing to let go of his love for Katara to achieve mastery over the Avatar State.
- Used devastatingly in Tales of Ba Sing Se where he is able to bring some happiness to everyone's lives just by doing simple gestures. Until the end where it's revealed his greatest regret is not being able to help save his son.
- Formerly Fit: Used to be a strapping Firebender in his youth, but let himself go after his son's death. Later, he gets it all back after a stint in prison.
- Four-Star Badass: As one of the Fire Nation's most decorated generals.
- Generation Xerox: He more closely resembles his genocidal grandfather Sozin than his lanky father. There is double irony there, given that Iroh is far nicer than Sozin was, and that he was his father's favorite (rather than Ozai, who resembled Azulon the most). Mind you, it is somewhat fitting: Sozin ended up regretting his role in starting the war, just as Iroh did—the difference being that Iroh's change of heart ended up much more meaningful.
- Good All Along: He never does anything that would really hurt the heroes; the reason he stuck with the Fire Nation was to protect and guide Zuko. The first sign of Iroh's True Colors comes in the season 1 finale, when he learns of Zhao's plans for the moon, and by the end of season 2 it's become clear he'd rather side with the Avatar than with his brother. We later find out his Heel–Face Turn happened long before the events of the series, most likely when Lu Ten died.
- Hidden Depths: Iroh just seemed like a cheery, goofy old guy there to annoy Zuko...until he's captured by Earth Kingdom troops who are amazed to have captured the famous "Dragon of the West," one of the greatest Fire Nation generals. Later reveals of his past eventually make him probably the deepest character out of a show atypically full of them.
- Hot Blooded Sideburns: In Season 1, he had these, but the personality was inverted; he's a mellow guy.
- I Just Want to Be Normal: Even after kicking ass throughout the series, the man just wants his tea shop back.
- Intergenerational Friendship: Develops one with Toph in "The Chase".
- Irony: Years ago, he failed to conquer Ba Sing Se for the Fire Nation, which Azula later did. In the series finale, he successfully conquers the city... so the Earth Kingdom can take it back. He even lampshades it.
- Know Your Vines: In the second season, Iroh has a run-in with some of these."Delicious tea?... Or deadly poison?"
- Let's Get Dangerous!: Most of the time he leaves the fighting to Zuko, but occasionally he demonstrates how he earned the title "Dragon Of The West".
- Lightning Bruiser: Like the rest of his family, he has power, speed and durability is great measures.
- The Mentor: He's a wise old mentor who helps Zuko when they're both in exile. Even though they're enemies, he also helps Toph and Aang through their own turmoil.
- Morality Pet:
- Implied again that he and his son Lu Ten were this to his ruthless father Azulon.
- He's definitely one for Zuko in a mentor capacity.
- Mysterious Past: We just know the footnote version; born a Fire Nation Prince, served in the war, retired after a semi-successful siege of Ba Sing Se.
- Names to Run Away from Really Fast: The Dragon of the West.
- Nice Guy: Easygoing, open-minded, warm, caring, generous, friendly, advising, kind, and humorous, Iroh treated his self-imposed exile during Zuko's search for the Avatar as though it were an extended vacation.
- Noodle Incident:
- We never found out exactly how he managed to escape his cell on the Day of Black Sun.
- We never find out what Zhao was alluding to when he noted Iroh's 'experience in the Spirit World'. Whatever it was, it seems to have left him with a degree of the True Sight and close connection to the Spirit World, so much so that after his death, he essentially retires to the Spirit World and serves as a guide and mentor to Korra and, briefly, Tenzin, Kya and Bumi.
- Not-So-Harmless Villain: Not that any of the characters ever treat him like he is, but as far as the audience is concerned for most of Season 1, he's Zuko's uncle, goofy teacher, and sidekick. In the Season 1 finale, however, we see how devious he can be when he and Zuko outplay Zhao, but it's when he learns that Zhao plans to kill the Moon that Iroh shows just what a badass he truly is—he drops the whimsical facade and demands Zhao stops his crazy plan, and effortlessly curbstomps Zhao's Elite Mooks when Zhao doesn't listen.
- Obfuscating Stupidity:
- Admit it, at first glance he looks like a slovenly Dirty Old Man. You'd never know he's the grand master of a club for Cool Old Guys.
- When imprisoned under the Fire Nation, he pretends to have gone mad and weak to cover up his exercise activities.
- Offscreen Moment of Awesome: Iroh's escape from the Fire Nation prison in Book 3. He pulls his Obfuscating Stupidity whenever anyone's watching, while training determinedly in private. When Zuko finally makes his last Heel–Face Turn and goes to rescue Iroh, he's long gone, having trashed everyone and everything in his path. All we find out is that he was "like a One-Man Army."
- Older Sidekick: Old enough to be Zuko's dad. Heck, he's old enough to be Zuko's grandfather, as pointed out by June.
- Old Master: Before the series has started he is already a famous firebender. Now he trains Zuko.
- One-Man Army: The prison warden calls him this when he breaks out of prison during the eclipse by himself.
- Outliving One's Offspring: Before the start of the series, Iroh's son, Lu Ten, died in the siege for Ba Sing Se. Iroh took his death so hard that he abandoned the siege and retired from being general.
- Out of Focus: Doesn't appear as much in season 3, though not without good reason.
- Papa Wolf: When Azula tries to kill Zuko with lightning after a botched attempt to imprison them both, Iroh steps in at the last second, redirects the lightning into a nearby cliff, and then kicks her overboard.
- Parental Substitute: Though his birth father hates his guts and has actively tried to kill him, Zuko is fortunate enough to have a replacement in Iroh, who accompanied him throughout his banishment, raised him as his own son and absolutely refuses to give up on him and his happiness, even after being stabbed in the back.
- The Pollyanna: His son was killed in a battle he lost, his reputation was destroyed, he lost his rightful place on the throne and was banished from his home, his beloved nephew treats him like dirt, and yet he not only remains patient and cheerful, but is eventually able to help his nephew solve many of his personal problems without even breaking a sweat. It's implied that the first four experiences had a huge impact on him becoming the wise, collected uncle he is when the show starts. That doesn't change the fact his cheerful demeanor helps numerous characters, his nephew especially, over the course of the show.
- Prisons Are Gymnasiums: During Iroh's time in prison, his cell did double duty as a gym.
- Prophecy Twist: He once had a vision that he would conquer Ba Sing Se, and his attempt to do so cost his son's life. He is destined to conquer it, but only to save it from the Fire Nation.
- Proverbial Wisdom: Tends to overdo it sometimes, which is why Zuko has trouble understanding him.
- Rage Breaking Point: Normally just tries to gently discourage Zuko from his self-destructive path, but when he tries to abduct Appa, Iroh finally blows up at him.
- Red Baron: He's notoriously remembered as "The Dragon Of the West" in the Earth Kingdom and Fire Nation since his 600 day siege of Ba Sing Se.
- Retired Badass: Retired pre-series, after (nearly) penetrating the impenetrable city of Ba Sing Se.
- Sad Clown: Underneath his goofy facade, he's just a father grieving the loss of his son. He's also done plenty of things in the past that he's not proud of.
- Samurai Ponytail: The Fire Nation seems to use the hairstyle just as the trope indicates with the style being indicative of his status, even in exile. He cuts it when Zuko is betrayed by Azula at the beginning of the second season.
- Shipper on Deck:
- Completely supported the idea of Zuko dating the Earth Kingdom girl Jin in "Tales of Ba Sing Se". Although that was mainly to get him to lighten up.
- He believes Katara would be a good match for Zuko when his point of view is covered in the Sozin's Comet Novelization.
- Shock and Awe: One of the only three Firebenders we ever see shooting lightning. Although we don't get to see him use it in combat he is the most skilled in its use because he invented the lightning redirection technique.
- Smart People Play Chess: He's a master at pai-sho.
- Smelly Feet: Zuko uses his horrible smelling sandals to track him twice.
- So Proud of You: When they are reunited in the Grand Finale, Iroh expresses how proud he is of Zuko for finding his way to the light.
- Spot of Tea: Asian variation. Azula calls him 'His Royal Tea Loving Kookiness'. It carries on to the sequel, The Legend of Korra, where he has become a resident of the Spirit World.
- Static Character: Justified in that he already had his development in the past. Now he helps others along in their Character Development.
- Stern Teacher: To Zuko at the time to learning him Firebending. While he is a hedonist and easygoing, he becomes more serious and demanding as teacher.
- Super Strength: Displays this trope throughout the series (the only other person to do so is his student Zuko). Iroh has, over the course of the show:
- Flicked his wrist and sent Zhao skidding backwards along the ground. This is actually more impressive than it sounds due to their positions at the time: a simple flick of the wrist should have caused Zhao to merely put his foot down to regain his balance, if it did that much. Instead, he goes flying.
- Caught a boulder midair with chains that an Earthbender was using as a projectile, then swung it back around and took out two Earthbenders with it. Said boulder had to weigh more than Iroh.
- Broke himself out of prison on the Day of Black Sun, without his firebending. The bars of his cell don't even look like he blasted them open; it looks like he grabbed hold of them and shoved through.
- Supporting Leader: He leads the White Lotus.
- Token Good Teammate: To the Fire Nation during Zuko's time as an antagonist because he's the only non-evil or antagonistic Fire Nation character.
- Took a Level in Badass: He was already badass enough before then, but in Sokka's Master, he trains for his great escape while imprisoned. As a result, he loses all of his fat and replaces it with pure muscle.
- Took a Level in Idealism: Flashbacks hint at Iroh being just as much of a believer of the Fire Nation's ideology as his family. The death of his son caused him to rethink his beliefs.
- Took a Level in Kindness: It had been hinted that Iroh may have been crueler in his days as a general before the death of his son.
- Trademark Favorite Food: Tea. When it gets spilled, he has a Lost Food Grievance."I know you're not supposed to cry over spilled tea, but... *sniff* it's just so sad!"
- True Sight: Iroh was able to see Aang riding Roku's dragon in the Spirit World while he was in the Physical World.
- Underestimating Badassery:
- Azula particularly is unable to realize that a man who can wipe the floor with several guards in less than half a minute isn't a man to be messed with, even when he is past his prime.
- When captured by several Earth Kingdom soldiers, they take several attempts to avert this trope. They still failed to keep Iroh captive (though in fairness it was a close call).
- Warrior Therapist: Odd in that he doesn't fight at the same time. He'll sit you down and talk over your problems with tea.
- Willfully Weak: With all the times he gets into trouble and/or captured, he never really steps in or puts up a fight until it's completely necessary. It's pretty clear that he does this because 1) he's never in any real danger, 2) he wants to let the Gaang solve the problem instead, and 3) he doesn't want to hurt his antagonists, because he really, really could if he wanted to.
- Zen Survivor: In his past, he was a famed general who lost his only son in a war, and subsequently lost his will to fight. He now serves as a mentor to his nephew, Zuko.