Characters: Avatar: The Last Airbender - Other Characters
These are other characters Team Avatar encounter in their adventures.
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"Gran Gran" Kanna
Voiced by: Melendy Britt
Katara and Sokka's grandmother.
- Arranged Marriage: With Pakku in the past.
- Cool Old Lady: Very wise and motherly.
- December-December Romance: After so many years separated, she married Pakku when he traveled to the Southern Water Tribe.
- I Was Quite The Looker: A flashback of her in her teenage years shows that yes, she was indeed quite a looker.
- Parental Substitute: After Katara and Sokka's mother dies and their father leaves to fight in the war, she becomes this for them.
- Runaway Fiancé: She was once arranged to be married to Pakku, but she ran away to the Southern Water Tribe.
"Just let her go, and I'll give you the information you want."
Kya was the mother of Sokka and Katara and the wife of Hakoda. Her death during a raid on her home had a profound impact upon both her children. Katara wore her mother's necklace as a memento of her affection.
- Good Parents: She didn't hesitate for a second when it came to protecting her daughter from Yon Rha.
- Happily Married: Was implied to be this with Hakoda.
- Heroic Sacrifice: She claimed to be the last remaining waterbender to save Katara from being killed.
- I Am Spartacus: How she saved her daughter's life.
- Mama Bear: She sacrificed her life for her daughter.
- Missing Mom: To Katara and Sokka.
Voiced by: Crawford Wilson
"We can't win without making some sacrifices."
As a young boy, Jet's family was killed by the Fire Nation. Swearing vengeance, Jet became a dashing rebel against their forces, forming a Merry-Men esque
group of freedom fighters with other war orphans. However, Jet has an extremist side and is willing to destroy the Fire Nation by any means necessary. After getting called out by Katara and Sokka, Jet realized the error of his ways and tried to start over, only to get brainwashed into an agent of the Dai Li by Long Feng. And then killed by him when he tried to break free.
- Kick the Dog: Perfectly willing to attack innocent people, as long as they're Fire Nation.
- Knight Templar: Particularly in his first appearance. To him everyone in the Fire Nation is evil and must be destroyed, even if they are harmless elderly people or if doing so would wipe out scores of innocent people in a town that is merely being occupied by Fire Nation troops.
- Manchurian Agent: He was brainwashed by the Dai Li and ordered to kill Aang.
- Manipulative Bastard: In his debut episode, his interactions with Aang, Katara, and Sokka are extremely manipulative. He frequently compliments them; this is not merely an example of him being The Charmer as some compliments are more subtle than others, such as implying that Katara was responsible for Sokka's supposed Out-of-Character Moment. This not only makes her feel good, it neatly deflects them from wandering down any nasty trains of thought. When he realizes that Sokka and the other two have a split over their trust of him, he plays them against each other while still trying to court each side. He continues to try to win over Sokka even near the end of the episode; not because he thinks he will be successful, but to keep up appearances.
- In his second appearance, he tries to tempt Zuko into joining the Freedom Fighters by cleverly picking up that A) Zuko's the kind of guy who believes he deserves better that what he's getting and B) despite his gruff nature, he will help people who he recognizes a similar situation in (Jet thought Zuko's scar marked him as a fellow victim of the Fire Nation). Jet's only flaws in his plan is that he doesn't understand Zuko and Iroh's relationship and it isn't until too late that he realizes Zuko's a Firebender.
- Not So Different: Twice. First to Zuko and then to Katara (Aang makes the comparison to the latter).
- Oral Fixation: Likes to carry a piece of wheat in his mouth.
- Redemption Equals Death: He dies not long after he makes his redemption.
- Rebel Leader: He's the leader of the Freedom Fighters.
- Rebel Relaxation: He's very fond of this, complete with a piece of straw in his mouth much like a cigarette, effectively wooing Katara (in the episode 'Jet') because All Girls Want Bad Boys.
- Reformed, but Rejected: Technically a subversion, as he was unknowingly working for Long Feng at the time and was less reformed then he thought he was.
- Revenge Before Reason: Even though he was completely justified in being suspicious of Zuko, the methods he goes to to prove he's from the Fire Nation were not smart.
- Romantic False Lead: For Katara
- Shout-Out: His laid back demeanor, character design, and name are shout outs to the works of Shinichiro Watanabe of Cowboy Bebop and Samurai Champloo fame. His characterization, on the other hand...
- Small Name, Big Ego: Seems to think he's a much bigger threat to the Fire Nation than he actually is. Though this could just be him trying to boost the Freedom Fighters' morale.
- Tragic Hero: Despite redeeming himself, his deadly obsession with Fire Nation was what led him to becoming a pawn of Long Feng.
- Troubled, but Cute: He's attractive, charming, amoral, and has a tragic past.
- Unusual Eyebrows: Of the kinked variety.
- Well-Intentioned Extremist: He really does want to help take down the Fire Nation, but is rather hardcore in the lengths he's willing to go to.
- You Have Outlived Your Usefulness: Long Feng kills him after he breaks free of his brainwashing.
- You Have to Believe Me: Does this a lot in Ba Sing Se after discovering Zuko's and Iroh's secret.
The Freedom Fighters
The Freedom Fighters are a handful of children from (apparently) all over the Earth Kingdom who have been orphaned by the attacks of the Fire Nation. Led by Jet, they are a Ragtag Bunch of Misfits
who pretty much throw monkey wrenches into Fire Nation activity wherever they can.
Longshot and Smellerbee show up with Jet en route to Ba Sing Se in Season 2. Pipsqueak and The Duke show up in Season 3. Sneers and Smellerbee reappeared in The Promise
leading the reorganized freedom fighters.
The Cabbage Merchant
A hapless cabbage merchant whose produce keeps getting inadvertently destroyed by the Gaang. Needless to say, he's not too fond of them.
- Butt Monkey/Chew Toy: Poor guy just wants to sell some cabbages.
- Disproportionate Retribution: While he understandably hates the Gaang, he's a little overzealous about it. Like that time he thought they were going to be executed:
- This was the first time they had destroyed his cabbages, too.
- Fruit Cart: The owner of one, which always gets knocked over.
- No Name Given: His name is never revealed, not even in supplementary material.
- Properly Paranoid: He automatically assumes the Avatar will damage his property in some manner, and the Avatar never disappoints.
- Recurring Extra: Lampshaded in "The Ember Island Players" when the list of sources for the play mentions, "a surprisingly knowledgeable merchant of cabbage."
- Screw This, I'm Outta Here!: In his last appearance, he goes, "My Cabb...oh, forget it!"
- Throw the Dog a Bone: Didn't meet up with the Gaang at all during the final season, and even worked as a consultant for an anti-Avatar play.
- The Legend of Korra reveals that he and his family go on to build a large corporation that makes automobiles, among other things.
- He returns in the comic sequel "The Rift" and it shows how his passion for technology started.
- Yank the Dog's Chain:
- Said corporation is shut down after it is wrongfully accused of providing the Equalists with weaponry. Even after death, the poor guy just can't catch a fucking break. Well after that, his company is back and running.
- And then we learn that Cabbage Corp's products are pretty much crap compared to the things put out by their rivals at Future Industries. However, the poor quality of their products is partially the CEO's fault due to him focusing on making more money and putting too much emphasis on "cheap" alternatives.
Foamy Mouth Guy
A fan of the Avatar who lives on Kyoshi Island. Known for his tendency to go into a screaming fit and foam at the mouth when he thinks Aang is near.
"So this is your girlfriend... no wonder she left. She's way too pretty for you."
A skilled bounty hunter, June is out for money and doesn't care who she has to work for to get it. She collects bounties with Nyla, her pet Shirshu, a ferocious beast with an incredible sense of smell. When she inadvertently damaged Zuko's ship while chasing a bounty, Zuko had her hunt the Avatar as compensation. In the finale, she was recruited by Zuko to track down Iroh.
- A Boy and His X: June's father received a shirshu from a rare animal collector in payment for a bounty, and gave it to her. The shirshu, who was named Nyla, became June's inseparable companion. And they have been a team for more than 17 years.
- Action Girl/Dark Action Girl: She spends her free time beating up burly men.
- Badass Normal: Isn't known to have any bending abilities, but kicks plenty of ass with her whip and pet Shirshu.
- Back for the Finale: She comes back in Sozin's Comet to help the Gaang find Aang. When that fails, she is instead asked to find Iroh, and successfully does.
- Bounty Hunter: And a pretty darn skilled one at that.
- Charles Atlas Superpower: Best demonstrated by her effortlessly defeating a muscular man, who struggled terribly against her in their arm-wrestling match and lifting up two men.
- Contralto of Danger: She has a deeper voice than the other female characters to portray her as dangerous.
- Dark Is Evil/Dark Is Not Evil: Played with. June only hunted the Gaang because of her profession and Zuko asked her to. Other than that, June doesn't seem like a real troublemaker or even a jerk.
- Deadpan Snarker: If a lot of her dialogue is anything to go by, she enjoys mocking people like Zuko.
- Detached Sleeves: Her outfit has these.
- Eerie Pale-Skinned Brunette: She has black hair and incredibly pale skin.
- Fluffy Tamer: Though not at first. In her first appearance, she has no problem with whipping her Shirshu when it under-performs. Later, she seems to have adopted this behavior, calling it her "Snuffly-Wuffly."
- Hell-Bent for Leather: One of the very few characters to wear leather in the series.
- Juggle Fu: And seemingly the reason Toph likes her!
- Ms. Fanservice: Iroh even thinks so!
- The Nicknamer: "Oh great, it's Prince Pouty."
- The Nose Knows: Her Shirshu can track anyone across continents if it only gets a whiff of something with their smell on it.
- Parent Service: Dear lord! A lot of men, in and out of universe, loved her character design.
- Peek-a-Bangs: She definitely has the sexy kind.
- Punch Clock Villain: She only hunted Aang because Zuko hired her. Later, she works with the Gaang in the finale, apparently for no pay.
- Raven Hair, Ivory Skin: Jun is very gorgeous and has one of the palest complexions on the show.
- Scarily Competent Tracker: Thanks to her pet with the incredible sense of smell.
- Shipper on Deck: Even though she's just teasing, she's largely considered the patron saint of Zutara.
- Tall, Dark and Snarky: She's hot, has Raven Hair, Ivory Skin, and is rather sarcastic, particulary towards Zuko.
- Too Many Belts: Wears quite a few.
- Weaksauce Weakness: Her shirshu is rendered completely useless when her sense of smell is overloaded.
- Waif-Fu: She can wrestle men twice her size.
- Whip It Good: Both June and her shirshu, who's also The Paralyzer.
The Pirate Captain
""I've already got a buyer, a nobleman in the Earth Kingdom. Unless, of course, you kids have two hundred gold pieces on you right now?"
The Pirate Captain and his crew first appear in the first season episode The Waterbending Scroll. Aang and his friends come aboard their ship to browse and Katara steals a very valuable waterbending scroll that The Pirate captain said he had gotten "at a most reasonable price, free" Afterwards the pirates chase after Aang and his friends to take the scroll back, they escape, then the pirates team up with Prince Zuko who is hunting The Avatar. At first The Pirates and Zuko work well together as they manage to catch Aang and his friends but then Sokka convinces the pirates to renege on their deal with Prince Zuko at which point a Mêlée à Trois
battle ensues, Aang and his friends manage to escape. The Pirates ship and Prince Zuko's River Boat get destroyed in the process, and the pirates are not seen again until The Waterbending Master Episode where Admiral Zhao hires them to kill Prince Zuko. After that they are not seen again.
- Badass Normal: The Pirate Captain is skilled enough with a sword to take Prince Zuko on Mano A Mano.
- Black Mail Is Such An Ugly Word: He admits that he stole the waterbending scroll from a northern water tribe member, but doesn't call it as such.
- Faux Affably Evil: The Pirate Captain appears very personable if somewhat gruff and rough around the edges, but he drops all pretenses if he thinks you're wasting his time.
- Honest John's Dealership: The pirates' ships main purpose when at port is as a store selling exotic curios.
- Pirate Booty: The Pirates have quite a collection of things that they market as "exotic curios"
- Pirate Parrot: Actually it looks more an Archaeopteryx, which is a prehistoric ancestor of modern birds, his pet is aptly described by Sokka as a "pet reptile-bird" Word of God states his pet is an Iguana-Parrot.
- Talk Like a Pirate: Jack Angel pulls off his voice magnificently
The Pirate Barker
Voiced by: Byron McKittrick
- Affably Evil: He seems genuinely nice, even if it is very apparent that he's quite a shady character, he also comes across as somewhat chatty and annoying.
- Bad Ass Normal: The Pirate Barker knows how to use his weapons and isn't afraid to let them do the talking if the need arises.
- Black Mail Is Such An Ugly Word: When Sokka deduces and screams out that "you guys are pirates!" The Pirate Barker says "We prefer the term high risk trader".
- Combat Pragmatist: Uses smoke pellets to distract and disorient his enemies.
- Honest John's Dealership: The pirates' ships main purpose when at port is as a store selling exotic curio's.
- Traveling Sales Man: This seems to be his job and he does it with enthusiasm.
- Tasty Gold: Actually says "That's some tasty gold!" While biting into a gold coin after Admiral Zhao paid the pirates to assassinate Prince Zuko
"There is no war in Ba Sing Se."
In the Earth Kingdom capital of Ba Sing Se, a group called the Dai Li keeps the war with the Fire Nation a secret, in order to maintain cultural order. A man who has fought long and hard for his position, Long Feng serves as their Big Brother-like
leader. Using the Dai Li to keep himself in power, Long Feng manipulates both the city and the Earth King himself, whom Long Feng uses as a puppet ruler. After getting exposed by the Gaang, he tried to get back in power by working with Azula and double-crossing her at the moment of triumph. That didn't work out too hot.
- Big Bad Wannabe: Is even the subject of the page quote.
- The Chessmaster: And a pretty good one, too. Too bad for him, Azula is far better at this game than he is.
- Complexity Addiction: Long Feng seems incapable of creating a plan that doesn't require convoluted misdirection, even when his interests would be far better served by a straight approach.
- Dishing Out Dirt: He's not seen fighting by himself too much, but he is a skilled Earthbender.
- Evil Chancellor: To the Earth King, who is completely oblivious to it.
- Evil Sounds Deep: Courtesy of Clancy Brown.
- Eviler Than Thou: Ended up on the wrong side of this. Azula claims, "You were never even a player."
- From Nobody to Nightmare: According to Azula: "You were born with nothing. So had to struggle and thrive, and claw your way to power."
- Hero Killer: He kills Jet shortly after the latter is freed from his brainwashing.
- Manipulative Bastard: Though again, not to Azula's level.
- Obviously Evil: His every action screams "up to something".
- Offscreen Teleportation: Pulls this off when Katara and Toph try to ditch him at a party. They've barely turned away from him when he reappears in front of them.
- Oh, Crap: Has one when Azula gives her Breaking Speech, as he realizes that this girl who he assumed was in way over her head (something that she helped with), was in reality the most cunning and dangerous player in the game.
- Orwellian Editor: Makes sure to keep the citizens of Ba Sing Se from knowing about the war.
- Regent for Life: Ba Sing Se may have a king, but Long Feng's the one really pulling the strings.
- Rewarded as a Traitor Deserves: Being an Evil Chancellor and all, he is definitely a traitor to the King and his people as a whole. He becomes an even bigger traitor by making a deal with the Fire Nation so that he could take back control of Ba Sing Se. In the end, Azula rewarded him with nothing.
"The Boulder's going to win this in a landslide!"
An arrogant yet entertaining Earthbender, he was a wrestler and arena champion who thought he would easily defeat a certain little girl in the tournament. He was painfully curb stomped instead.
- The Brute: The Boulder is very strong, and is an excellent earth bender, but when Katara says that he could be a possible Earth-bending teacher to Aang, Aang reminds her "That Bumi told me to find somebody who listens to the earth, he's just listening to his big muscles."
- Curb-Stomp Battle: To establish Toph's badassery, The Boulder gets hit with a Groin Attack before being catapulted out of the ring.
- Early-Bird Cameo: The Boulder is the shadowed Earthbender that appears in the show's opening sequence.
- Face: The most popular wrestler of Earth Rumble Six, he also happens to be Sokka's favorite competitor.
- Heel-Face Turn: He's one of the many wrestlers who kidnaps Aang and Toph, but he (and The Hippo) eventually come to the good side to help with the invasion. When Toph senses their presence, she initially thinks they want to fight, but The Boulder explains they are there to help. "The Boulder and The Hippo no longer fight for the entertainment of others, now we fight of our kingdom!"
- Hurricane of Puns: Or would that be an rockalanche?
- Large Ham: Combines expressive gestures, strange facial expressions, and Mick Foley.
- Nobody Calls Me Chicken
"The Boulder feels conflicted about fighting
a young, blind
"Sounds to me like you're scared
, Boulder!" *beat* The Boulder:
"The Boulder is over his conflicted feelings, and is now ready to bury you in a rockalanche!"
- No Celebrities Were Harmed: Purposely resembles The Rock. Given that Mick Foley is the one voicing him, he could be seen as an outright parody.
- Pec Flex: Can be seen briefly during his winning streak in "The Blind Bandit".
- Third-Person Person: In the Western, "full of himself" sense.
- What Happened to the Mouse?: He and the other wrestlers are not seen again after Episode Six of Season Two. Although he and The Hippo do come back to help invade The Fire Nation during Season Three's The Day of Black Sun. They also make cameo appearances during the end of the third season finale.
- Walking Shirtless Scene: He never puts on a shirt in the entire series.
The Big Bad Hippo
Voiced by Kevin Michael Richardson
The Big Bad Hippo was an earth-bending wrestler in EARTH RUMBLE VI, just like The Boulder. He almost beat The Boulder by stomping his feet and jumping up and down, which caused him to almost fall out of the ring. This was The Hippo's signature move which was called "Rocking The Boat". The Boulder however manages to catch his balance and defeats The Hippo by lifting him up in the air using his earth-bending and tossing him out of the ring.
- The Giant: Almost all The Earth Rumble Six Wrestlers are big and muscular, The Big Bad Hippo is the biggest.
- Heel-Face Turn: During The Day of Black Sun, The Hippo as well as The Boulder help invade the Fire Nation. They also make cameo appearances at the end of the third season finale.
- Huge Guy, Tiny Girl: He has a couple of moments with Toph.
- Hulk Speak: "HIPPO, MAD!"
- Mighty Glacier: Is slow but incredibly powerful, he is able to withstand an earth-bending attack from The Boulder to the back of his head, and during the opening of their fight, caught rocks The Boulder threw at him, chewed them up and spit them out.
- Third-Person Person: Just like The Boulder, he constantly refers to himself in the third person, but The Boulder is much more refined. The Hippo refers to himself and generally talks in Hulk Speak.
The Earth Rumble VI Wrestlers
Earthbenders participating in the Earth Rumble VI earthbending tournament, where they get beaten by The Boulder. Later they kidnap Toph and Aang, and get curbstomped by Toph for their troubles. After that, they're never seen again.
Fire Nation Man
- Foreign Wrestling Heel: Even though he is an Earthbender, his Gimmick is that he's a Fire Nation Patriot. While performing, he also talks in a stereotypical thick Eastern European accent. He was easily beaten by The Boulder, and was Ain't Too Proud to Beg screaming "NO! PLEASE!", before The Boulder sends him flying out of the ring.
- Hollywood Tone-Deaf: Tried to sing a mocking version of the Fire Nation National anthem, and it sounded very poorly. Given his role as a Heel, it was possibly invoked.
- Cool Mask: His mask is reptilian looking, and his Gimmick is crawling around on his hands and knees like a lizard.
- The Voiceless: Other than some grunts and groans, he never says a word.
- Cool Mask: Its not a mask, but its still cool. He wears a very unique pair of goggles and head gear.
- Tunnel King: They don't call him The Gopher for nothing.
- The Voiceless: Never says a word.
- The Voiceless: Except for one very loud battle cry, he never says a word.
Xin Fu and Yu
Voiced by: Marc Graue (Xin Fu), Sab Shimono (Yu)
"If you pay for the whole year in advance I'll bump you up to the next belt."
Xin Fu is the coordinator of the wrestling tournament in which Toph participates. When he thinks Toph cheated him out of the prize money he offered for her defeat, he kidnaps her and demands the prize money back as ransom. He is later hired by Toph's father to bring her home after she runs away.
Yu is an Earthbending teacher in Toph's hometown. He was hired to teach Toph Earthbending, but he grossly underestimated her abilities and thought she would never get past the beginner level. Once Toph runs away, he is hired to work alongside Xin Fu in retrieving her.
- Affably Evil: Master Yu, who is very polite and softspoken for a bad guy.
- And I Must Scream: Being stuck in a metal cage until they are either freed by a passerby or, more likely, die of starvation/dehydration/what have you since Earthbenders can't bend metal. Which ends up happening, we're never told until The Rift, where it is revealed that they eventually escaped from the cage.
- Boisterous Bruiser: Xin Fu.
- Bounty Hunter: Not their actual occupation, but they're willing to do anything for a buck.
- Brains and Brawn: Yu actually thinks things through, realizing things like trying to take down two people with large bounties in a Bad-Guy Bar full of desperate outlaws will probably mean having to take on the whole room. Xin Fu will just charge in and beat up the half dozen guys in his way.
- Combat Commentator: Xin Fu's dayjob.
- Genre Blind: Master Yu almost falls for Toph using the old excuse of having to go the bathroom, but Xin Fu stops him from letting her out.
- Hoist by His Own Petard: Toph sealed them in the metal prison originally intended for her.
- Large Ham: Xin Fu.
- Odd Couple: They're polar opposites, yet both of them are working together to find Toph.
- Nice Job Fixing It, Villain: They would have been fine if they hadn't taunted Toph about her inability to bend metal, making Toph that much more determined to do it.
- Not So Harmless Villains: They actually got the drop on Toph, and would have won if Toph hadn't invented Metalbending just to escape/beat them.
- Potty Emergency: Master Yu's final line, AFTER the two are locked in the metal box, is used to inform us of this. Its also an Ironic Echo, because that's almost how Toph tricks Master Yu into letting her out. Xin Fu is just Genre Savvy enough to know Toph was up to no good.
- Punch Clock Villain: Master Yu, definitely. Though Xin Fu is a debatable case.
- Tempting Fate: "You may think you're the greatest Earthbender in the world, but even you can't bend metal." Turns out, yeah. Yeah, she can.
- Underestimating Badassery: Master Yu made the mistake of assuming Toph wouldn't be a talented Earthbender due to blindness and Xin Fu tempted fate by believing Toph would be unable to break out of the metal cage. Oh how wrong they were...
- What Happened to the Mouse?: Their fates are left unexplored in the main series. The sequel comic The Rift reveals that they got out somehow, but gave up their hunt for Toph after that incident.
"You're right, Zuko. I've seen that girl in here quite a lot. It seems to me she has quite a little crush on you!
Jin is a citizen of Ba Sing Se and a regular patron of the tea shop where Iroh and Zuko work. She nurses a crush on Zuko and decides to ask him out on a date, which doesn't go very well. She appeared in one of the Avatar
comics that came out between seasons two and three and had a two-second cameo in the first episode of the third season. Despite her very short screen time, she has gained a decent measure of popularity with the fandom.
- All Girls Want Bad Boys: Part of why she likes Zuko so much.
- Big Eater: Zuko even addresses it.
- Cat Smile: One of the reasons fans like her quite a bit.
- The Ditz: Gets accused of this sometimes for not realizing that Zuko was a Firebender after he lit all the candles around the fountain, though it's entirely possible that she knew and just didn't think it was bad. After all, there is no war in Ba Sing Se. Alternatively, she may not know the specifics of bending, since she doesn't appear to be one herself.
- Girl Next Door: She's a very sweet, down-to-earth girl.
- Girl of the Week: She only appears in one episode as a love interest for Zuko. (Though technically, she does have a cameo in another episode and appears in a tie-in comic about Zuko and Mai.)
- Satellite Love Interest: Her whole purpose was being a (sort of) love interest for Zuko.
- Star-Crossed Lovers: One sided, even if she wasn't a character of the day, despite a cameo in a later episode and a minor role in a comic, she's a refugee of the Earth Kingdom unaware she has a crush on the prince of the Fire Nation. Even without Mai, those odds seemed unlikely.
- Unkempt Beauty: She wears fairly messy braids.
"I'm not leaving... I can't... I've spent too long trying to find this place... There's not another collection of knowledge like this on Earth... I could spend an eternity in here."
Professor Zei was the head of the Anthropology Department at Ba Sing Se University. An ambitious cultural anthropologist, he was well-traveled and highly educated in exotic cultures. His thirst for knowledge brought him to strange, remote, and often dangerous places. Zei was an eccentric man to whom knowledge was priceless. He got very excited at the prospect of learning anything about history or the world around him. A map of his travels showed he had been everywhere in the world, except the Fire Nation. Even though he had discovered many lost civilizations over the years, he longed to find the "crown jewel" of ancient discoveries: Wan Shi Tong's Library.
He never managed to find Wan Shi Tong's Library until he ran into Aang and his friends in The Si Wong Desert. He explained to them that he made several expeditions into the desert but almost died each time. He finally fulfills his life long wish, by flying on the back of Appa, Aang's Flying Bison. After they get into Wan Shi Tong's Library, Wan Shi Tong initially refuses them entry , but lets them pass under the condition that they provide him with new knowledge. Unlike Aang and his friends who wanted to use Wan Shi Tong's Library to help them find possible ways to help them defeat The Fire Nation, Professor Zei wanted to find the library simply because he was a lover of knowledge. In fact when Wan Shi Tong finds out about this, he sinks his library into the desert sand and tries to keep Aang and his friends trapped for eternity. Professor Zei willingly chooses to stay behind, and in The Legend of Korra it's revealed that he died there and his corpse is rotting in the library.
- Adventure Archaeologist: Professor Zei divides his time teaching Cultural Anthropology at Ba Sing Se University and looking for lost civilizations.
- Adventurer Outfit: It helps him survive in the hostile desert.
- Ambiguous Disorder: Has no idea that Aang and Sokka thinks the word Buttresses is funny, and takes their lie about loving architecture at face value.
- Bad Ass Book Worm: We never actually see how much of a bad ass he is, but he has to be one to have journeyed through The Si Wong Desert several times and to survive.
- Be Careful What You Wish For: He wanted to spend an eternity in The Library and he got his wish, his corpse is still there in The Legend of Korra, seventy years after Avatar Aang was last there.
- Buried Alive: Essentially and by his own choice this is what happens to him, because he chooses to stay behind in Wan Shi Tong's Library even though Wan Shi Tong was burying it underneath The Si Wong Desert.
- Bus Crash: Unsurprisingly, his next appearance after being buried in the library reveals how he died.
- Fate Worse Than Death: Apparently Wan Shi Tong took no efforts to provide him with food and water, even though he was the only person to ever visit his library, simply because he loves knowledge for its own sake. It's not explained how long it took for him to die, while trapped in the library. What's worse is that aside from the few people who are familiar with The Gaang's history, hardly anybody remembers him, he left behind no legacy.
- Hypocritical Humor: Wishes he could talk to Appa commenting wistfully on "the stories this beast could tell." When Momo tries to talk to him, he says "Shush! Chatty monkey!" He doesn't even know Momo is a Flying Lemur.
- Non-Action Guy: Justified, since he's an academic.
Lao and Poppy Beifong
Voice by: Cam Clarke (Lao), Gabrielle Carteris (Poppy)
"The Avatar has kidnapped my daughter. I want you to do whatever it takes to bring her home.
"Poor Toph. She must be so scared."
Toph's parents. Despite that they both love Toph dearly, they failed to recognize what their daughter really wanted, believing her blindness made her weak, helpless, and frail. As a result, they had her guarded and cared for the majority of the time. Unbeknownst to both of them, Toph had become an excellent earthbender all on her own. After Toph runs away to teach Aang earthbending, Lao hires Xin Fu and Yu to bring her back.
- Aerith and Bob: Poppy's name stands out compared to her husband and daughter's Chinese names.
- I Have No Daughter: Lao was shown to become this in The Rift, refusing to acknowledge that Toph is the daughter he raised, even in light of the fact that she's essentially a world-renowned hero.
- Ignored Epiphany: Lao Beifong realizes just how strong and capable his daughter really is. His response? To double-down on being overprotective.
- Never My Fault: Implied with Poppy, when Lao explains that after failing to bring Toph back, Poppy blamed him for everything that happened and wanted nothing to do with him. Never mind the fact that she wholeheartedly agreed to keep her under lockdown to keep her safe.
- Overprotective Dad: Lao is extremely protective of his daughter, even keeping her existence a secret.
- What Happened to the Mouse?: They never appear after their debut episode and the series ends with Toph never returning to them. It is also unclear whether Sokka's messenger hawk managed to successfully deliver Toph's message to them. They return in "The Rift", where they settle things once and for all with their daughter.
"It's been a long time since I've added a child's face to my collection. So... how may I help you?"
One of the oldest spirits in the Spirit World, Koh is a nightmarish centipede creature with a dangerous hobby of stealing faces. If he sees a face that makes even the slightest twitch of emotion, he will snatch it off and wear it as his own. Although he was attacked by Avatar Kuruk, he holds no grudge against the other Avatars. Because of his age, he is privy to many secrets of the world around him. So if Aang comes knocking on his door for help, who is he to refuse? There's always room for one more...
He only appears in one episode (three technically, but the other two were a flashback to that episode and a cameo), and barely does anything, but he's so damn creepy that everyone remembers him.
- Affably Evil: He's quite amiable for an Eldritch Abomination.
- Animalistic Abomination: A huge face-stealing abomination that looks like a human-faced centipede.
- Antagonistic Off Spring: To the Mother of Faces. She says they had a major fallout at the beginning of time.
- Anti-Villain: His actions suggest that he's simply amoral, not pure evil. He stole the face of Avatar Kuruk's lover to punish him for his arrogance, and bears no ill will towards Aang or any other incarnation of the Avatar for Kuruk's attack on him because he knows they're not the same person. Furthermore, he willingly told Aang the locations of the Ocean and Moon Spirits and the danger they were in, albeit in a cryptic and riddle-filled manner and while constantly trying to steal his face.
- Big Bad: Not in the series proper, but he is so in the flash game which serves as the bonus episode between Book 2 and Book 3, trying to steal Aang's face and having several spirits under his command to lead Aang astray from his quest to talk to his previous lives.
- The Collector: Of faces.
- We Will Meet Again: He says this, but their second encounter is never shown on screen, instead happening in an online game taking place between the second and third seasons, while Aang is in a coma.
- White Mask of Doom: His most common, and possibly his true, face.
- Writers Cannot Do Math: Koh claims that a past Avatar tried to kill him "Eight or nine-hundred years ago." but Kuruk is the only Avatar to have attacked Koh, supported by the fact that the online game confirms he showed Kuruk's wife's face when he mentioned the girl to Aang. Even taking into account some Avatars' extended lifespans, it's very unlikely that Kuruk lived any more than 450-550 years previous. Seeing as he's very long-lived, however, it's possible that his grasp on the concept time is somewhat tenuous.
Wan Shi Tong
Voiced By: Héctor Elizondo
"You think you're the first person to believe your war was justified? Countless others before you have come here seeking weapons or weaknesses or battle strategies!"
Wan Shi Tong is known as the great knowledge Spirit, which takes the form of a large black owl with a white face. Wan Shi Tong created the Spirit Library to house his ever growing collection of knowledge, and brought it to the mortal world so that humanity might benefit from such wisdom. However, eons of seeing humans abusing his knowledge for the sake of conflict has turned Wan Shi Tong to ban humans from his library for their misuse. When the Gaang arrive there, Aang promises not to abuse the knowledge they gain from the library, but quickly go back on their word and learn about the Fire Nation's vulnerability during a solar eclipse. Wan Shi Tong decided enough was enough and took his library back to the Spirit World while simultaneously trying to kill the Gaang for what they did.
- Voice of the Legion: He speaks like this, and it goes from creepy to horrifying when he tries to kill the Gaang.
- You Are The Translated Foreign Word: "I am Wan Shi Tong. He who knows ten thousand things."
- Whatever Happened To The Mouse: When he pops up in Legend of Korra, it turns out his opinion of humans hasn't improved much in the seventy years since his encounter with the Gaang, and he still holds a grudge against the Avatar after Aang misused his knowledge after promising not to. What's more, Professor Zei's corpse is still in his library.
The Blue Spirit
A mysterious figure known for his iconic oni mask. With his incredible badassery and excellent stealth skills, he tries to protect Aang from Admiral Zhao. It turns out the man behind the mask is Zuko, who wanted to free Aang so that he
could capture him. In later episodes, Zuko also uses the Blue Spirit's identity to escape his problems. Iroh eventually calls him out on this and Zuko abandons the Blue Spirit at his urging.
- Badass Normal: The Blue Spirit can hold his own against skilled Benders with just his swords. Zuko never Firebends while in this persona, presumably as a means of protecting his secret identity.
- Fights Like a Normal: Could firebend if he chose, but sticks solely to his dual swords so as to protect his identity.
- Cool Mask: A badass Oni mask, to be precise. Not only is it a really badass mask, it also helps hide Zuko's identity.
- The Cowl: Subverted. He freed Aang from Zhao's clutches, but this was only to capture Aang and get the glory for himself.
- Dual Wielding: His dual dao swords are so iconic that Zhao can figure out his identity just by seeing them in his room.
- Ho Yay: Done in-universe with Aang's character in the Ember Island Players' play "The Boy in the Iceberg."
- Le Parkour: It helps him with infiltration.
- Lovable Rogue: He may actually be Zuko in disguise trying to capture the Avatar, but he did help Aang out a great deal.
- Mysterious Protector: He shows up seemingly out of nowhere to save Aang after Zhao captures him.
- Ninja: A master of infiltration. Not so lucky on extraction, though.
- Secret Identity: Of Zuko, who initially used the guise of the Blue Spirit to save Aang from Zhao.
- Shrouded in Myth: Even after his real identity is revealed to the audience, he remains shrouded in mystery In-Universe.
- The Voiceless: Until his last appearance.