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Voiced by: Dante BascoAt thirteen (later fourteen) years old, Jake appears to be just your average skateboarding, comic book-loving teen. Unbeknownst to many, though, Jake is actually a fire-breathing dragon whose job is to protect a secret world consisting of leprechauns, mermaids, unicorns and other magical creatures.
- Achilles' Heel: According to Fu Dog (and Jake himself), Haley is this. Also, as a dragon, he has a weak point located behind the left ear.
- Affectionate Nickname:
- His dad calls him "Jakers" and several other embarrassing nicknames.
- Trixie calls him "Jakie".
- Amazon Chaser: Jake excitedly comments he likes a buff woman, after he, Trixie, and Spud accidentally walk in on Rose doing an intense workout.
- Anime Hair: Justified and Lampshaded as a liberal use of gel.
- Anti-Hero: Mainly he acts like as a Knight in Sour Armor. His tendency to use lethal force against some magical creatures might boost him up to a Pragmatic Hero, however he only does this when the magical creature in question is exceedingly dangerous or tough enough to handle blows.
- Art Evolution: A pretty jarring case; in season 1 his dragon form is pretty big (resembling a Western dragon), but in season 2 his form is much more wiry. The second form is arguably the better design-wise, since it's closer to the depiction of an Eastern dragon and is true to both Jake's true build and personality.
- Beware the Nice Ones: Normally, he's pretty laid back, but if you threaten the Magical World and make him think that his girlfriend has betrayed him, you just might end up being thrown into a steel elevator door.
- Big Brother Instinct: Does genuinely care for Haley, though it doesn't show up often. Nonetheless, threaten her and you will be in for a world of hurt.
- Big Eater: Shown to be this in "Furious Jealousy". Jake really likes his junk food.
- Breath Weapon: Fire, like most other dragons in the series.
- But Not Too Foreign: Half-Caucasian, half-Chinese.
- Catch Phrase: "Dragon up!" and "Aww man!"
- The Chosen One: He's the first American Dragon.
- Crazy-Prepared: Sometimes. Trixie couldn't tell if she was more disturbed from finding out he owns a leprechaun costume or that he brought it on the ski trip in which he didn't expect to have try and draw out Huntsgirl (he didn't know her identity yet).
- Driving Test: In one episode, a magical creature turns Jake into an adult and he decides to take a driving test. His driving is so lousy the tester only passes him because he threatens to request the same tester for all next times he takes another driving test.
- Dude, Where's My Respect?: Not usually, but sometimes he doesn't get the respect he deserves, especially from Haley. At least until she tries his job for a while and realizes how hard it is...
- Fire-Breathing Diner:
- During Season 1, a random human sees Jake's fire breath and thinks Jake ate spicy food.
- One episode of Season 2 features Jake eating fries so spicy he needs his fire-breathing to cool down.
- Generation Xerox: He's a lot how Lao Shi was when he was younger.
- Half-Human Hybrid: Technically, His mother is from a line of dragons (though not one herself) while his father is an average human. This doesn't seem to have any effect on his powers or the plot, though.
- Heartbroken Badass: "Half Baked". Played for Laughs, of course.
- A Hero to His Hometown: He is the local Dragon of North America and is regarded as such by the Magical Community there. Though, not always as much as he would like.
- The Hero: The main character and his job is to maintain balance between the human and magical worlds.
- I Just Want to Be Normal: Enjoys being a dragon, but wants to enjoy all the aspects of growing up. Comes to a point in "Being Human" where he purposely gets himself in trouble to have his dragon chi confiscated so he can enjoy graduating middle school in peace.
- I Want My Beloved to Be Happy: A non-romantic reason for the breakup. Before Rose can fully sacrifice herself, Jake wishes that she was never taken by the Huntsclan. The result is her living a different life and their relationship being undone until she sees a picture of them from a dance and regains her other memories.
- James Bondage: He gets captured a lot. In one episode, he gets captured three times.
- Jerk with a Heart of Gold: Jake is cocky, caring, slightly rebellious, vain, loyal, lazy (occasionally), resourceful, and brave.
- Jive Turkey: This raised some controversy with his excessive use of street slang. Executive producer Eddie Guzelian admits that the bravado of Jake's character was shaped by Dante Basco's ad-libbing and their own writing, which was supposed to parody the "wannabe MTV gangsta" crowd. Naturally, it was toned down in season 2.
- Kid Hero: Jake is 13 (14 in season 2) and is The Hero.
- Love at First Sight: When he first meets Rose.
- Meaningful Name: The Chinese word for dragon is "long".
- Nice Job Breaking It, Hero: A lot of conflicts resulted from him not taking his job seriously.
- One Head Taller: Inverted. Rose is a little taller than him.
- Power at a Price: In one episode, Jake drank a potion that temporarily gave him shapeshifting powers. Until it wore off, he couldn't use any of his other powers.
- Red Is Heroic: Jake's signature outfit includes a red jacket, and his scales are red in his dragon form.
- Secret Identity: Downplayed, his identity of the American Dragon is only secret to the Huntsman. Most of humanity are kept in the dark about magical creatures and he has no problem transforming in front of antagonistic magical creatures.
- Socially-Awkward Hero: Fighting magical monsters he can handle. Talking to pretty blonde girls, not so much.
- Star-Crossed Lovers: Once again, with Rose.
- Tiny Guy, Huge Girl: The Tiny Guy to Rose's Huge Girl. Justified as they are middle-schoolers and girls are usually taller than boys at that age.
- Wake Up, Go to School, Save the World: Deconstructed: He has serious trouble at balancing his schoolwork, his social life and his duties. The episode "Being Human" implies that he's really stressed due to this (Haley can't even start to guess how he does it).
- An episode did show him attempt to balance this via chi dopplegangers, but he did so via shortcuts (a chi amplifying dust.) After he grabbed the wrong one and made a bad chi clone, he reabsorbed them and managed to prioritize what he needed to along with getting his friends to help. However, it is still a great deal of stress and when taking everything to account, he does an admirable job as a hero and magical defender, doing better than what could be realistically expected out of someone in his position.
- You Gotta Have Blue Hair: The top part of his hair is green. Justified by the incredible amount of hair gel he uses.
Voiced by: Keone Young
- Broken Ace: A very powerful dragon and the only one to defeat the Dark Dragon singlehandedly. However, his carefree life style and attitude was gone and he ended becoming a serious old man.
- Does Not Like Shoes: There's a few scenes (especially Season 2) where he's shown to not even wear his sandals.
- Foreshadowing: He tells Jake not to flirt with a mortal enemy (Huntsgirl/Rose), going on to say "Trust grandpa, he's been there". Skip ahead later in the season and we learn he was talking about Chang.
- For Your Own Good: Although it was never revealed to Jake or any other of the characters, this was the reason why he asked Rose to break up with Jake.
- Miniature Senior Citizens: Jake's grandfather is so small several people during the Halloween Episode mistook him for a kid dressed like an old Chinese wise man. Then again, it was shown in flashback he wasn't much taller than that during his prime. Susan should be glad the dragon powers weren't all that skipped her.
- Not So Above It All: He was just like Jake in his youth. In fact, he retained the attitude (but was cockier) as a young adult until he defeated the Dark Dragon the first time.
- Probably why he's hard on Jake; he doesn't want his grandson to repeat his mistakes.
Voiced by: John DimaggioA 600-year-old talking Shar-Pei, Lao-Shi's only companion and Jake's Animal Guardian. In the 1970s, Fu was a womanizer and a petty thief, but after meeting Lao-Shi, he turned his life around. He's messy and loud and he gambles and harasses women. However, deep down, he has a good heart and is a good, trustworthy friend to Jake.
- Big Eater: "Two words: I'M HUNGRY!"
- A Day in the Limelight: "Fu and Tell", "Nobody's Fu"
- The Gambling Addict: He'll frequently make bets or have a bet he's made in the past come back at the worst possible time. Not even near-death has helped curb it.
- Good Old Fisticuffs: Strong enough to send Yan-Yan flying across the classroom.
- Heel–Face Turn: He was a petty thief in the 1970s until he befriended Lao.
- Hyperspace Arsenal: We've seen him producing a lot of things from his wrinkles, ranging from lesser things like cell phones and shoes to anvils.
- Jerk with a Heart of Gold: Fu's a chronic gambler, womanizer, and full of obnoxious puns and one-liners. That said, he's a devoted member of the team and always there to provide Jake with some emotional support and advice.
- Lovable Sex Maniac: He's about as much of one as a G-rated Disney cartoon will allow. He squeezes a giantess' hump, gets excited when it comes to zipping up a woman's dress, asks a sprite to shake her things his way ( her wings), has stated that he falls in love at least six times a day and is shown dating two dogs at once.
- Mentor Mascot: He's responsible for helping train Jake and will often take the reins when Lao-Shi isn't around. He also has to pretend to be Lao-Shi's pet.
- Non-Human Sidekick: Notably the consistent non-human on the heroes' side given all the dragons can switch back and forth, Trixie and Spud and later Rose are normal humans and most magical creatures are just walk-ins for any given episode.
- Plucky Comic Relief: Rarely lets anything get him down or stop him from making a joke. He's also prone to cheering up Jake when the poor kid's down.
- Pungeon Master: Loves puns.
- Really 700 Years Old: He's 600 years old.
- Talking Animal: Has fully human speech capabilities.
Arthur P. "Spud" Spudinski
Voiced by: Charlie FinnOne of Jake's two best friends. Despite being a bit of a ditz, he's quite reliable. Season 2 shows off he is actually very intelligent, but because of how he was raised, he doesn't like to show it.
- Aborted Declaration of Love: In "Homecoming", he tried to confess to Trixie. However, Trixie cut him off and asked if they were nothing than Just Friends. He agreed wholeheartedly.
- All Guys Want Cheerleaders: In season 2, Spud's crush in on head cheerleader, Stacey.
- A Day in the Limelight: "A Befuddled Mind" and "Shaggy Frog". Also, both he and Trixie share the spotlight in "Keeping Shop".
- Evil Laugh: Has a "talent" for lampshading these. He has one as well. It needs work.
- Hidden Depths: It's been hinted several times that Spud actually has a magical background (namely that his grandfather may have been a wizard), but is just unaware of it.
- Not to mention the reveal he is actually something of a genius.
- Obfuscating Stupidity: While strange, he's not actually dumb.
- Only Known by Their Nickname: Everyone calls him Spud. The only one who calls him Arthur is his mother.
- Ship Tease: With Trixie. To both's happiness, they don't get romantically together.
- Stalker with a Crush: Toward Stacy. While he doesn't actually stalk her, he has invented a device made to track her anywhere on the planet.
- Unwilling Suspension: Happens to him in "A Befuddled Mind".
Voiced by: Miss KittieOne of Jake's best friends. She sometimes acts as the voice of reason. Shows signs of becoming a doctor.
- A Day in the Limelight: "Bring It On". She and Spud also share the spotlight in "Keeping Shop".
- Jerk with a Heart of Gold: She can be very rude and inconsiderate, but is a loyal and brave person.
- Military Brat: Her father is in the military and he is a fighter pilot.
- Muggle Best Friend: She and Spud are Jake's closest friend.
- One of the Boys: The only ones she hangs out with are Jake and Spud.
- Secret Keeper: She keeps Jake's magical background and duties a secret.
- She's Got Legs: An episode has Trixie becomes a cheerleader. When her friends see her in a revealing miniskirt for the first time this is their reaction. One of them goes on to talk about her legs for a while afterward, questioning why she never showed off her legs before.
- Ship Tease: With Spud. To both's happiness, they don't get romantically together.
- Verbal Tic: She uses the word "baby" a lot.
Voiced by: Mae WhitmanA hot, popular girl at school, Rose catches the attention of Jake immediately. However, there is more to this girl than meets the eye. She is actually a highly skilled hunter, trained by the Huntsclan to fight and slay dragons. Jake's girlfriend.
- Action Girl
- Anti-Hero: Committing an act of genocide to save the Magical World cements her as this. She's probably a Pragmatic Hero.
- Anti-Villain: In "The Love Cruise", where Jake shooting her with one of Cupid's love arrows causes her love for him to turn into hate, reverting her back to her pre-Heel–Face Turn self.
- The Apprentice: She is literally at the "Apprentice Level" in the Huntsclan. She's skilled, but Jake is just as skilled, preventing her from ever rising in Huntsclan status.
- Badass Normal: Pretty much the entire Huntsclan, really, but when a fourteen-year-old girl built like a drinking straw is fighting huge firebreathing dragons to a standstill know you don't want to get on her bad side.
- Birthmark of Destiny: The Mark of the Huntsclan.
- Custom Uniform: Her Season One Huntsclan uniform.
- The Dragon: To The Huntsman, before her Heel–Face Turn. Ironic, isn't it?
- Earn Your Happy Ending: At the end of "Homecoming", Jake grants her wish of a normal life.
- Heroic Sacrifice: Subverted. She wishes for the destruction of the Huntsclan with the Aztec Skulls, but as she soars into the air, Jake uses his wish to save her. Granted, she still gets an Obi-Wan Moment where she smiles down at Jake.
- He's Back: Female version. While there wasn't any Heroic B.S.O.D., she makes a grand return to action in "Hong Kong Longs" after she regains her memory.
- Identity Amnesia: After Jake uses his wish to save her, she doesn't have memories of Jake just as she left him after the Huntsclan is eradicated. She got better in the Grand Finale with her memories restored that is.
- I Just Want to Be Normal: She wishes she had a normal life, free of the Huntscan. Jake grants this wish.
- Killer Rabbit: That pretty girl in the picture there is capable of knocking out several mythical creatures with her Waif-Fu. Acknowledged in-universe and by the rest of the Huntsclan: when he learns of her Heel–Face Turn, the Huntsman confronts her armed and backed by four other Huntsclan members who has already slayed a dragon (a big accomplishment, they have often remarked, and a sign of their strenght and skill). It takes Rose FIVE SECONDS to defeat the four Huntsclan members and hold the Huntsman at the point of his own energy lance.
- McNinja: Or, as Trixie calls her, "Little-Miss-Ninja-Thang".
- Only One Name: She was never given a last name. Justified because of her being in the Huntsclan; her last name was originally supposed to be "Killdragonosa", but the writers chose to drop it because of this.
- Parental Abandonment: Rose thinks that both of her parents are dead. Turns out The Huntsman kidnapped her at birth.
- Put on a Bus: As a result of Executive Meddling after she lost her memory as a result of being rescued from an attempted Heroic Sacrifice. She was brought back in the series finale.
- Reptiles Are Abhorrent: This is what The Huntsman taught her. She no longer believes this.
- Ret Gone: Jake's wish at the end of "Homecoming" ends up doing this to Huntsgirl.
- Roofhopping: As seen in "Old School Training", she has this ability.
- Secret Identity: Huntsgirl.
- Single Woman Seeks Good Man: Rose develops an attraction to Jake when he comforts her after Brad dumps her on their date. The attraction gets stronger as they start dating each other.
- Ungrateful Bitch: At the end of "Ski Trip", after Jake saves her from falling to her death.
- Writing Around Trademarks: Her Huntsclan moniker had to be changed from "Thorn" to "Huntsgirl" in order to avoid legal trouble.
Voiced by: Amy BrucknerJake's younger sister who's a perfectionist and almost never gets in trouble. She has just mastered her dragon form and has just started her training.
- Always Someone Better: Subverted. While she is a better student and is shown to have natural talent with her Dragon Skills, it's also shown that this is specifically because she doesn't have to Wake Up, Go to School, Save the World like Jake does on a daily basis. After Jake temporarily gave up his role as the American Dragon, Haley had to assume the responsibility...and cracked under the pressure in less than a week. This helps her gain a new-found respect for her older brother and leads her to calling out their grandfather in "Being Human."
- In "Family Business", Haley ended up kidnapped when her dragon powers were on the fritz, courtesy of a jealous Jake, necessitating a rescue from her brother; after the rescue, Haley reveals that the powder he had pranked her with wore off pretty much right as she was getting kidnapped. It was her own fear that prevented her from fighting back. This is notably one area where Jake trumps Haley as when he was in a similar situation, he was able to get out with minimal help.
- Annoying Younger Sibling: To Jake, primarily because she's so perfect.
- Attention Whore: Seems to have shades of this, such as in "Fu and Tell." Jake later brings up how much she likes attention in "Switcheroo."
- Brother-Sister Team: Occasionally. At other times, Jake and Haley are at each other's throats.
- Calling the Old Man Out: Does this to her grandfather in "Being Human."
- Distressed Damsel: At the end of "Family Business".
- Meaningful Name: Haley is named after Haley's Comet; Susan Long took a liking to the name after she and Jonathan attended a party and watched the comet bypass Earth in orbit.
- Tertiary Sexual Characteristics: Her dragon form is pink.
- Wake Up, Go to School, Save the World: Deconstructed in "Being Human," where she temporarily takes over as the American Dragon...and is reduced to a nervous wreck in less than a week. She does gain a newfound respect for her brother and defends against their grandfather, pointing out the severity the job takes one as well as mentioning the personal losses Jake went through as a result.
- Badass Normal: Has no magical powers, yet can hold his own against the Jersey Devil (and even better—he thought it was a bear, meaning that he was willing to go after a bear to save his son).
- Crouching Moron, Hidden Badass:
- When the Jersey's Devil attacked him, he mistook it for a bear and went into survival mode. When the Jersey's Devil attacked Jake, he still mistook it for a bear and threw it down off a cliff with a Swiss Army Weapon fitted with bear spray.
- He defeated the entire army of Shade Demons in the series finale by grabbing a ceremonial vase with his fanny pack and reflected moonlight off of it. Jake even lampshades it proudly.
- Papa Wolf: See the first example of his Crouching Moron, Hidden Badass entry. Also when Jake was defeated by some vampires (they were masquerading as important business associates), Jonathon got pissed and let the have it.
- Secret Keeper: In the series finale, "Hong Kong Longs," he founds out about his wife's side of the family are dragons and that magical creatures are real. But rather than leave Susan or get angry, he's very accepting of it, and admits that he always had a feeling that there was something "magical" about his family.
- Supernatural-Proof Father
- However, according to one of the writers of the show on the Toonzone forums, at one point there plans to reveal He's a werewolf
Voiced by: Lauren TomJake's mother. She has no magical powers, since they skipped her generation. She is reluctant to reveal her family's heritage to her husband (apparently out of the fear that he will abandon her), and to this end, lies to her husband about Jake's business, sometimes letting Jake take the fall.
Voiced by: Sandra OhThe Korean Dragon, Haley's dragon master and Jake's Home Economics teacher.
- First-Name Basis: "Please, call me Sun. Miss Park is so formal."
- Hippie Teacher: She doesn't like being called "Ms. Park", says words like "groovy" and believes that violence is for the weak and cowardly.
- Mysterious Watcher: She seems to come off as this towards Jake in her first appearance, before she turns out to be Haley's mentor.
- Sensei-chan: To the point that she very rarely gives out letter grades.
- Technical Pacifist: This exchange during one of her fights:Chang: Sun Park, I thought you were all about peace and love.Sun: And what I really love is to give you a piece of this!
- The Worf Effect: Appears to be a victim of this. She is easily defeated by Chang (twice), is blasted out of the air by The Dark Dragon in the series finale and even gets attacked by humans with soda cans in "Haley Gone Wild".
- Worf Had the Flu: A pacifist dragon against humans means a lot of holding back. Also justified with the Dark Dragon and Chang; Chang is quite more experienced and violent than she, and the Dark Dragon in the Grand Finale is so powerful that when he blasted her he was also taking on and winning against dozens of dragons at once, including the only two who had actually managed to defeat him in the past.
The Huntsman (Huntsmaster)
- Arch-Enemy: To Jake and Rose.
- Badass Cape: As leader of the Huntsclan, he wears one of these.
- Bald of Evil: It's revealed in his final appearance that he's actually bald.
- Big Bad: Of season one and half of season two before his death.
- Birthmark of Destiny: And a big one he has. Though it was smaller in season one.
- Butt Monkey: He was shown to be this when he was a teenager. That was before his voice changed and he became the man he was in the series; the kind of man whose intensity and hatred made his tormentors cower in fear.
- Dramatic Unmask: Averted. He's unmasked in his final battle with Jake, only to reveal... a completely unfamiliar, bald man with a nasty facial scar.
- Evil Laugh: Has one every now and then. He's the only major villain with one who never gets it lampshaded by Spud.
- The Faceless: He wears the skull of the first dragon he ever killed upon his head. His face is only shown after Jake slams him into an elevator door, shattering the helmet.
- Fantastic Racism: He hates all magical creatures, to the point where his master plan in season two was to have them all wiped out of existence.
- From Nobody to Nightmare: An episode in Season 2 reveals that he was an amazingly ineffective member of the Huntsclan who was bullied by people more skilled than him. He's since become the #4 threat to all magical beings.
- Hoist by His Own Petard: Attempts to wish all magical creatures out of existence, only to have his wish turned against him by his protege.
- Hunting the Most Dangerous Game: The Huntsclan's annual Grand Equinox Hunt.
- Karmic Death: Killed by his own protege, who uses a wish he planned to use to wipe him from existence forever.
- A Nazi by Any Other Name: Wants little more than the destruction of all magical creatures.
- Properly Paranoid: he's either that or Crazy-Prepared, given he kept track of Rose's parents for fourteen years in the off-chance she rejected her Huntsclan upbringing and he needed to blackmail her into doing his bidding.
- Red Eyes, Take Warning: In Season One, his eyes were glowing red pinpricks under his mask. Season two goes with more humanlike eyes, which actually ups the scare factor with him as it shows that he's human.
- Smug Snake: If he thinks that things are going his way, he can be very, very smug. "The Halloween Bash" is a perfect example.
- Stranger Behind the Mask: He's never shown without his mask, until his final appearance where the helmet breaks. When we finally do get to see who he really is, it turns out he's a total stranger.
- Super Strength: He possibly has this. He is shown punching through a brick wall, is barely fazed by being slammed head-first through an elevator door, and he then rips one of the pulleys from the shaft and slams it onto the ground in a fit of rage.
- Villain Ball: Y'know Huntsman, if you had just executed Rose after she gave you the last Aztec Skull and defeated Jake, she never would have had the chance to shoot you from behind and wish for your death. Then again, he was blackmailing her with her parents' safety and didn't imagine she'd sacrifice herself.
The Dark Dragon
Voiced by: Clancy BrownThe #1 threat to the Magical World and apparently the only dragon to ever go bad, The Dark Dragon hates all humans and wishes to overthrow the human race, not to mention to convert all of the world's dragons to his side.
- Arch-Enemy: Often regarded as Jake's but is actually more Lao-Shi's.
- Breath Weapon: Like all dragons, he breathes fire.
- Defeating the Undefeatable: Before Lao Shi, nobody survived a fight with him. Then young Lao Shi defeated and apparently drowned him. Then in season 1, Jake (who had barely escaped him in their first encounter) masterminds his defeat and first death, and in the series finale, when he had been empowered to the point that dozens of dragons were no match for him, Rose put him down for good.
- Evil Laugh: Spud won't shut up about how cliched his laugh is in "Hong Kong Longs".
- Fate Worse Than Death: Trapped inside a temple for 1,000 years.
- Fantastic Racism: Sort of the opposite of the Huntsman, as he sees humans as inferior.
- Final Boss: Ends up being this of the series.
- Greater Scope Villain: The #1 threat to the Magical World has a speaking role in all of three episodes.
- Large Ham: "You have no idea of my DARK POWERS!"
- Misanthrope Supreme: Has intense hatred for humans.
- No Name Given
- Palette Swap: In Season 1, his appearance is similar to that of Jake's Dragon form, with a similar jawline, body pattern, and hairstyle, only black and purple. Season 2 gives him a much more distinct appearance along with being black and blue.
- Shock and Awe: He is shown shooting lightning from his fingers in "Hong Kong Longs".
- Super Strength: He is a dragon after all
- Taking You with Me: He tries to do this to Jake and Rose at the end of "Hong Kong Longs" as he's about to become trapped in the temple.
- Tempting Fate: In the series finale, upon defeating all of the world's dragons, he asks if there is anyone who could challenge him. Rose heard him and was willing to accept the challenge.
Voiced by: Lauren TomA member of the Dragon Council; a dragon from Asia. Chang is harsh and cold when it comes to Jake. Unsurprisingly, she turns out to be a mole for The Dark Dragon, secretly aiding him in his plot to recruit Jake and overthrow the human race.
Tropes Associated With Councilor Chang:
- Art Shift: Got hit with this the most in season 2. She was originally a Miniature Senior Citizens about Jake's grandfather's height in her human form in the first season. The re-design suddenly cranked her to human height out of the blue.
- Cardboard Prison: She was sent to one after she was exposed as The Mole.
- The Dragon: Right hand woman to The Dark Dragon.
- Large Ham: "TISK, TISK Mister Long."
- Misanthrope Supreme: Shares the Dark Dragon's hatred of humans.
- The Mole: She's been working with the Dark Dragon the whole time.
- Obviously Evil: Pretty much, the fact that in her first appearance, she's heavily biased against Jake during the Dragon Competition is an obvious clue.
- Her human self's season two redesign reeks of this, wearing a black and red outfit, and having a pale purple skin tone.
- Psycho Ex-Girlfriend: To Grandpa. They dated once, but she turned out to be working with the Dark Dragon.
- Puny Humans: Her opinion on humans. Ironically in both season finale final battles it was a combination of humans and mystical creatures working together that beat both her and the Dark Dragon.
- Ungrateful Bitch: Despite Jake saving her (along with the rest of the Dragon Council) from the Huntsclan in "The Halloween Bash," she still tries to eliminate him whenever she gets the chance.
- Villain Exit Stage Left: Well, more like fall offstage, but it's obvious that her exit in "Hong Kong Longs" was meant to serve as both a defeat and to keep her for a third season (which never happened) where she possibly could have been the Big Bad.
- Well-Intentioned Extremist: Her reason for joining the Dark Dragon is to ensure magical creatures rule the world as they did long ago, rather than live in hiding.
- Voiced by: Adam Wylie
- Dirty Coward: What leads to him doing a Face–Heel Turn.
- The Dragon: He becomes this when Chang agrees to let him team up with her.
Professor Hans Rotwood
Voiced by: Paul RuggA teacher at Jake's school, Rotwood believes in the Magical World (although his facts about magical creatures are inaccurate). His beliefs got him discredited as a scientist, and he now works as the principal of Jake's school. He has a strong dislike of Jake, namely for Jake's bad attitude.
- Butt Monkey: In "Ski Trip".
- Enemy Mine: He and Jake make an alliance in "The Rotwood Files" to get Sigmund Brock fired. Later, they're forced to work together in "Magic Enemy #1".
- Evil Teacher: Played straight and subverted. In many episodes, it seems that his only purpose is to make Jake miserable and he wants to expose the Magical World to humans, but it is shown that he is not a true threat and even has a true respect for the Magical World.
- Manipulative Bastard: Sometimes, especially at the end of "The Rotwood Files".
- Not-So-Harmless Villain: He's normally a Butt Monkey. Then we get "The Rotwood Files"...
- They Call Me Mister Tibbs: He prefers to be called "Professor".
Huntsboys # 88 and # 89
Voiced by: Kyle Massey and Nicholas BrendonTwo young Huntsclan students who are able to lie themselves up to apprentice level in the Huntsclan.
- Infant Immortality: They manage to survive the destruction of the Huntsclan, but only by resigning before the effect could reach them.
- Miles Gloriosus: They both play themselves up as being fearless dragon-slayers, but usually run away when confronted by Jake or some other magical beast.
- Screw This, I'm Outta Here!: What they always do when things don't go according to plan.
Voiced by: Jonathan FreemanThe Wizard of Wall Street, Pandarus desires to become the most powerful wizard in the Magical World.
- Card-Carrying Villain: Appears to be one in "A Befuddled Mind"Jake: Eli Pandarus! What's a lying, cheating, evil wizard doing in a place like this?Pandarus: You say the sweetest things.
- Evil Laugh: Gets lampshaded by Spud in "A Befuddled Mind".
- Evil Sorcerer: He's called "The Wizard of Wall Street" for this reason. Humorously, he shares a voice actor with another evil sorcerer Disney created.
Fury, Euryale and Medusa (The Gorgon Sisters)
Voiced by: Hynden WalchThree ancient sisters who, when together, can combine their powers to turn their enemies to stone. When separated, they can only hypnotize their enemies.
- Gorgeous Gorgon: Lampshaded by Fury, who says "Wow, I am hot" when looking at herself in a mirror.
- Sadly Mythtaken: Their backstory notwithstanding, Fury was known as "Stheno" in the original myths (but then again, how many people can pronounce that?). Additionally, reflective surfaces could not deflect the Gorgons' Brown Note.
- Smug Snake: Figuratively and literally! Their mutual desire to be the best leads to their downfall and they have a snake motif.
- Taken for Granite: On both the giving and receiving end of this trope. They're defeated first when their magic is turned on them and then when they turn it on each other.
- Villain Exit Stage Left: Fury at the end of "Furious Jealousy". It really seems like the writers were trying to keep as many options open as possible when it came to villains in the third season (which never happened).
- Why Did It Have to Be Snakes?: Fury gets this reaction from Jake when her hair attacks him.
- Wolverine Publicity: Lampshaded by Trixie when she pulls a Batman Gambit on the three of them to try and get them to turn each other to stone. She claims that Medusa should be leader because everyone knows who she is, while it's unlikely that anyone has ever heard of Fury or Euryale.
Voiced by: Corey BurtonRotwood's old professor who takes his job as principal of Jake's school after Rotwood gets fired. Needless to say, he's more of a threat than Rotwood. He invented a chemical that can expose dragons while they're in their human form thanks to funding from what is implied to be the Huntsclan.
- Bitch in Sheep's Clothing: Male version. "Hola students! My name is Sigmund Brock and this school year is going to ROCK!" It all goes downhill from there for Jake.
- Outgambitted: At the end of "The Rotwood Files" he's tricked into showing Jake and friends in a cage and trying to expose Spud as a dragon. All courtesy of Rotwood, who proceeds to take back his job and steal the last drop of the dragon-revealing liquid to make sure Jake is a dragon.
- Sadist Teacher: After Jake tries to get him fired, Brock gets revenge by taking advantage of his popularity at the school and going over the intercom and tells the entire school that "Jake Long in Homeroom 217, Locker 8331" was behind it, effectively leaving Jake at the mercy of a very angry student body.
- Villain with Good Publicity: To the students, he's a very respectable professor. To Jake however, he's a threat.
Yang (Evil) Jake
Voiced by: Dante BascoAn evil doppelganger that Jake accidentally makes of himself with a negative dragon chi amplifier. Yang Jake's goal is to absorb all of Jake's other doppelgangers so he can overpower and absorb Jake, becoming Jake Long himself.
- The Assimilator: Absorbs Jake's other doppelgangers for power.
- Doppelgänger: One made from dark chi energy.
- Fireball Eyeballs: The first sign that he's evil is when his eyes start flashing fire.
- Pun: Makes one every single time he absorbs a doppelganger.Yang Jake: Too bad for you I'm so self absorbed!
Voiced by: John C. Mc GinleyA dentist working for the Tooth Fairy that betrays her and steals her wand, planning on stealing Haley's loose dragon tooth so he can claim its power.
- One-Winged Angel: Haley's dragon tooth causes him to become a monster made out of teeth.
- Only in It for the Money: He views The Tooth Fairy's job as a business and wants the power of Haley's tooth so he can get back every cent she gave away.
- Killed Off for Real: All that's left of him after his defeat are his glasses.
- Meaningful Name: Diente means "tooth" in Spanish.
Yan-Yan (Miss Tinkles)
Voiced by: Tia CarrereA Chinese Hairless cat and Fu Dog's ancient rival. For centuries, she and Fu Dog have been fighting over Fu's family coin. She is currently posing as Olivia Mears' pet.
- Atrocious Alias: "Miss Tinkles".
Voiced by: Clarence Williams IIIThe Dragon of Africa and one of the members of the world's Dragon Council.
Sara and Kara (The Oracle Twins)
- Goth: Kara in season two.
- Identical Twin ID Tag: Played straight, then averted. In the first season they just dressed differently, although in Season 2, they are given drastically different designs.
- Polar Opposite Twins: Kara is moody and antisocial, while Sara is constantly cheerful.
- Prophecies Are Always Right: Their visions always come true except for when Disney Channel Executives tell them that one of their visions is going to be false.
- Prophecy Twist: While their Prophecies Are Always Right, some of them aren't as expected.
- Oracle: Both of them; Kara can only predict good events, while Sara can only predict bad ones.
- Tomboy and Girly Girl: Kara and Sara, respectively.
Voiced by: Adam WylieA young wizard hailing from the United Kingdom who is the newest transfer student to Jake's school; Nigel has come to New York to complete his training, taking advantage of the magical background of the city.
Voiced by: Adam WylieThe Australian Dragon. According to Fu Dog, he was the "new kid" until Jake came along. He and Jake engage in a battle of pranks with one another in the episode "Dragon Summit".
- James Bondage: At the end of the episode.
- Jerk Ass: Let's see, he's the one who started everything in the episode by tripping Jake and getting him in trouble with the Dragon Council and then knocks a squirrel's nut away.
- Jerk with a Heart of Gold: He does come back to help Jake escape from the Dark Dragon and thanks him for his help.
Voiced by: Kari WahlgrenAn intelligent mermaid who has a fear of water. Jake befriends her during the Grand Equinox Hunt.
- Ironic Fear: Of water.
Voiced by: Edie Mc ClurgA dimwitted giantess that Jake befriends during the Grand Equinox Hunt.
An unlucky leprechaun that Jake befriends during the Grand Equinox Hunt.
A brownie that Jake befriends during the Grand Equinox Hunt. Do not set off his temper.
- Hates Everyone Equally: "Y'know, I think we're one pathetic bunch, and I hate each and every one of ya! Even myself!"
Principal/ Mermaid Detective
Voiced by: Susanne BlakesleeThe paraplegic first principal of Jake's school. In "Something Fishy This Way Comes", she starts dating Jake's grandfather. Oh, and she's a mermaid.
- Obfuscating Disability: She was in a wheelchair for all of her appearances. Turns out, it's because she's a mermaid.
- Red Herring: Jake thinks she's the Kelpie for a while. Turns out she's actually a mermaid police officer.
- The Reveal: She's not the Kelpie...But she thought Jake was when he was having trouble in school.
- Chuck Cunningham Syndrome: She was a recurring character in season 1 but kind of vanished after season 2.
Voiced by: Ron MasakThe current Grim Reaper and Fu Dog's old buddy. Just because he'll one day claim your soul doesn't mean he isn't a pretty cool dude.
- Don't Fear the Reaper: Is a generally pleasant guy; Fu in particular adores him.
- The Grim Reaper: Duh. He didn't always hold the title though, and thus typically had a bunch of dead-end jobs (pun intended) before he got this one.
- The Prankster: Loves to pull pranks. Fu finally manages to pull one on him by dressing up like a new Grim Reaper and implying that he's there to replace him.
- You Kill It, You Bought It: Apparently, this is the way one becomes the Grim Reaper in the first place.
Trixie's crush. Seems like the strong silent type at first but proves to be very social later on.
- But Not Too Foreign: Has a very slight Hispanic accent.
- Chick Magnet: A number of girls (aside from Trixie) have found him attractive.
- Hidden Depths: He isn't as secretive as he seems, and is shown to be a good guy.
- Nice Guy: Optimistic by default, and very genuine.
- Younger Than They Look: He's 14, but could easily pass for 18-21.
- Corrupt Corporate Executive: A rather mild, non-villainous version. He makes a sale to The Huntsman, telling an angry Jake that it's "just business". Of course, then he finds out what was inside the box that he sold The Huntsman.
- Nice Job Breaking It, Hero: Yes, Brocomus. Enjoy your money while The Huntsman enjoys using that Aztec Skull that you inadvertently sold him.
Aztec Guardian Serpent
This large snake guards one of the missing Aztec Skulls and has an innate ability to get the skull back if it is taken.
- Anti-Villain: Type IV. Its job is to guard the Aztec Crystal Skulls, and so to it, Jake is just as much a threat as the Huntsclan is.
- Feathered Serpent: Quite possibly, it's hard to tell though due to the animation style.
- You Have Outlived Your Usefulness: Once the Huntsman gets the skull, he destroys the Guardian Serpent.
The Jersey Devil
- Disney Villain Death: Mr. Long drives it off a cliff. Possibly subverted, though, 'cause it can fly.
- All Your Powers Combined: Can feed off of a multitude of magical creatures to gain their abilities, including dragons.
- Depraved Kids' Show Host: His show hypnotizes small children into doing amoral acts.
- Oh Crap!: gets one when Jake breaks Hailey out of his brainwashing AND her supremely pissed at him. Quite comprensible, given it was a Woman Scorned with super strength and fire breath...
- What Happened to the Mouse?: He was last seen when he was just about to be attacked by Haley. Haley said in the end credit scene that his show was cancelled, but we never see what she does to him.
The Krylock Demon
A magical creature that has the head of a snake and the body of a scorpion. It is very venomous, and if its venom is consumed, it will transform the eater into a Krylock Demon. The #3 threat to the magical community.
- Eldritch Abomination: It's a terrifying, venomous creature with the head of a cobra and the body of a scorpion that lives in another dimension which is only accessible via a magical potion.
- Hoist by His Own Petard: Its venom is what destroys it.
- Viral Transformation: If one consumes a Krylock's venom, they become a Krylock themselves. Oh, and Haley reveals that dragons aren't immune to this.
An ancient magical creature that sucks the life out of its victims to stay young. The #10 threat to the magical community. In the episode "Young At Heart", Jake, Trixie and Spud are its unfortunate victims.
Voiced by: Matt NolanA jock at Jake's school. He constantly torments Jake and also tries to woo Rose whenever he gets the chance.
- The Ditz: He doesn't even recognize the word "parents" in a letter written on a sticky note. No wonder why he was held back in school twice.
- Establishing Character Moment: Leaving Rose at the school dance for Jake's date.
- Held Back in School: Twice back when he was a third grader. He brings this up to explain having a driver's license in spite of being a middle schooler.
- Jerk Jock: Seriously, this guy makes Flash Thompson half-way decent in comparison.
- Kick the Dog: Abandoning Rose at the school dance for Jake's date.
He succeeds...kind of...
- Alpha Bitch: Although this seems to be played straight most of the time, this trope appears to be subverted at the end when she reveals that she was touched by Spud's attempts to win her heart.
- Give Geeks a Chance: Eventually does genuinely fall for Spud, though she insists on keeping their relationship secret to uphold her reputation. Baby steps...
- Hidden Depths: "The Rotwood Files" reveals that she has a thing for sensitive guys, something you wouldn't expect from a girl like her.
- Mugging the Monster: In her first episode, when they couldn't pass before a wall without insulting it, she and her teammates insulted Fury. They got off easy, given they were just brainwashed...
- Not Brainwashed: Spud thinks she's under some kind of spell when she briefly dates Nigel (not without justification, considering Nigel's more manipulative side). She's not, but she's also not romantically interested in Nigel.
Voiced by: Jessica Di CiccoA cute swim team captain at Jake's school. After Rose moves to Hong Kong, Jake decides that Danika is the one for him once he decides to get back into the dating game.
Cousin Gregory (Greggy)
Voiced by: Will FriedleJake's annoying younger cousin who just mastered his dragon form.
- Small Name, Big Ego: Thinks that since he has JUST mastered his dragon form, he's more experienced than Jake.
Rose's unnamed mother, father and twin that she was kidnapped from at birth.
- Chuck Cunningham Syndrome: Rose's twin. She was never seen again after her short amount of screen time when she was a baby.
- I Have Your Wife: Sort of. The family isn't actually being held hostage, but The Huntsman knows exactly where they are. And he will have them killed if Rose does not obey.
- Parental Abandonment: Not that they had any choice in the matter...