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Characters / Yin Yang Yo!

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Characters of the Yin Yang Yo! cartoon

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Main Characters

Voiced by: Scott McCord

A blue, male rabbit and the twin brother of Yin. He mostly uses the Might side of Woo Foo, but he can also use the Mystic side of Woo Foo. Yang is a Cloud Cuckoolander, lucky, courageous, and has a liking for clowns. Despite not usually showing it, he really cares about his sister and Master Yo's well-being. He enjoys fighting, and likes hitting stuff.

  • Amazon Chaser: He falls head over heels for Smoke the instant she starts fighting a group of thugs in her first appearance.
  • Attention Deficit... Ooh, Shiny!: Especially the case in "Brain Drain" where Master Yo grows frustrated with Yang's inability to stay focused. Though he ends up being able to use his brain towards the end, he still struggles with this.
    • Yang just loves meat (Isn't he a rabbit?) and Yin often exploits this by throwing him a steak just to get him out of the picture.
  • Badass Adorable: A cute blue rabbit who is a Woo Foo practitioner.
  • Battle Cry: "Chee, Hoo, Waa!"
  • Blood Knight: Loves kicking butt.
  • Blow You Away: "Foonado!"
  • Blue Is Heroic: A blue rabbit and one of the main heroes.
  • Book Dumb: He's intelligent in his own way.
  • Brains and Brawn: The Brawn to Yin's Brains.
  • Brilliant, but Lazy: In "Doomed to Repeat It", he says that he does learn stuff, but he doesn't want Master Yo to know that, so that he could get away with more; in fact, if he is willing to think, he is able to escape traps/situations more often (unless he wanted to be trapped/captured just so he could fight some more).
  • Brother–Sister Team: With Yin.
  • Bruiser with a Soft Center: "Touchy Feelings" reveals he's this: when his emotions are blasted out of him (takin the shape of small color bunnies of energy half his height), Yin tries to find the Love bunny, since Yang loves to kick butt. While searching for it, the Love bunny approaches behind her and Fr-ped: it's practically a Kaiju in terms of size, being almost twice as tall as the buildings of the city. Yin and the villain lampshade this revelation on much Yang really cares:
    Fre-Ped: Wow, he sure bottles up that thing deep inside there, doesn't he?
    Yin: It's a boy thing.
  • Butt-Monkey: He suffers a lot because of every other character on the show which includes bad guys (especially Saranoia), his sister often picking on him and his lazy panda guardian neglecting parental duties or worse eating up Yang's bamboo sword. Yang finally gets his revenge on just about everybody in "Deja Foo".
  • Calling Your Attacks: Every time Yang learns a new attack, he calls it out when using it.
  • Catchphrase: Several. There's "Aw pellets!", "Curse you math!" and "Thinking makes my brain hurt!"
  • Chick Magnet: Has gotten the attention of Lina, Melodia, Princess of the Stink Aardvarks and even the dangerous Smoke.
  • Crouching Moron, Hidden Badass: Sure he isn't as smart as his sister, but he is still a powerful warrior and capable of surprising feats and even more surprising thoughts.
  • Cute Bruiser: He's not as cute as Yin, but is still a massive ass-kicker.
  • Deadpan Snarker: Despite Yin being the brains, Yang still has a sharp wit to him.
  • The Dog Bites Back: In "Deja Foo", being fed up with the way the world mistreats him (that includes Yin and Yo), when he gets a time loop redo he throws pancakes at Yin's face and frames Yo for ruining a bad guy picnic, before inadvertently getting them killed. He regrets this.
  • Dumb and Drummer: In "The Gig is Up", he's the drummer of the band.
  • Dumb Muscle: Tends to rely too much on violence to settle his problems even if he does have his moments of clarity.
  • Excuse Me While I Multitask: Has shown more than a few times that he's able to make wise cracks and goof off, even engaging in a full conversation with someone without looking at whoever is attacking him.
  • Foolish Sibling, Responsible Sibling: Foolish to Yin's Responsible.
  • Half-Identical Twins: With Yin.
  • Heinz Hybrid: Master Yo is his father, making him and Yin half-panda.
  • Hidden Depths:
    • He is actually more intelligent than he appears to be and when he puts his mind to it (he pretends to be dumber so Master Yo will let him get away with more), can be very studious and learn techniques quickly.
    • In an episode revolving around mind-reading, we learn he loves writing poetry (usually about Lina) as well as fantasing about painting her toenails.
  • Hot-Blooded: He's and incredibly aggressive and downright malicious fighter when compared to his sister Yin.
  • I Shall Taunt You: Especially during "Yin-Credible", it's shown that he tends to get the upper hand on foes by teasing them throughout.
  • Inter Species Romance: With Lina who turns out to be a dog.
  • It's All About Me: Tends to be rather selfish in his actions if he feels he'll achieve some sort of award in the end, but it normally turns out to be a facade to hide his insecurities.
  • Jerk with a Heart of Gold: The Heart of Gold aspect becomes more apparent with Character Development.
  • Kid-anova: He's a pre-teen yet has gotten the attention of a few females, one of which older than him.
  • Large Ham: Befitting his loud fighting style.
  • Likes Older Women: He was in a romantic relationship with Smoke, who is a couple years older than him, at one point.
  • Love at First Sight: Towards Lina.
  • The McCoy: Boisterous, impulsive and not necessarily the brightest character in the series.
  • Missing Mom: We never find out who his and Yin's biological mother is. Him questioning Master Yo, his and Yin's biological father, about her is the last joke of the series.
  • Nice Mean And Inbetween: The mean to Dave's Nice and Yin's In-Between.
  • Obfuscating Stupidity: Yang is smarter than he initially appears but he does this so he can get away with things and to make people not to expect anything from him; it's even actually lampshaded in an episode.
  • Official Couple: With Lina.
  • Pink Girl, Blue Boy: Blue Boy to Yin's Pink Girl.
  • Pint-Sized Powerhouse: He's extremely short, but has fought against enemies several times his size.
  • Polar Opposite Twins: With Yin.
  • Power Glows: His sword glows when it is especially powerful, most likely through charging it with Woo Foo energy.
  • Red Oni, Blue Oni: Red to Yin's blue.
  • Sibling Yin-Yang: With Yin, duh.
  • Stalker with a Crush: A mild example though it's no longer the case when him and Lina become a couple.
  • Sword and Sorcerer: The Sword to Yin's Sorcerer.
  • Tsundere: A family-love related version with Yin and Yo, often trying to avoid showing affection or dismissing tender moments with a deadpan "whatever".
  • Vitriolic Best Buds: With Roger Jr.
  • White Bunny: Colorfully averted.
  • Why Did It Have to Be Snakes?: He hates dentists.
  • You Gotta Have Blue Hair: Yang is a blue rabbit.


A pink, female rabbit and the twin sister of Yang. She mostly uses the Mystic side of Woo Foo, but she is also skilled in Martial Arts. Yin is often described as intelligent, cute, girly, and sassy, but she's often as stubborn as her brother while being a "neat freak" and a "control freak". Yin generally has a good sense of right and wrong, and will often do the right thing.

  • Action Girl: She's the main heroine of the show and is frequently fighting against evil.
  • All Girls Like Ponies: Or Twonicorns, as the case may be.
  • All Girls Want Bad Boys: She's only hot for Coop when he's evil. She reveals this was a phase and snaps out of it. She hooks up with Coop once he channels his powers for good.
  • Attention Whore: Incredibly during "Yin-Credible" where she takes credit for Yang's witty insults just to hog up the spotlight; this ultimately ends up biting her in the butt later.
    • There's also the time Yin attracted all the boys around her in "Old School" in her new hot armor and teenage body.
  • Badass Adorable: She's the cuter of the two twins and is just a bigger ass-kicker as her brother.
  • Badass Bookworm: She a fighter who practices Woo Foo and is very intelligent.
  • Balloon Belly: Briefly in "How The Cookie Crumbles"
  • Barrier Warrior: Due to a number of Deflector Shields, she's able to create force fields as a shield or use them as their own weapons.
  • Brains and Brawn: The Brains to Yang's Brawn.
  • Brother–Sister Team: With Yang.
  • Butt-Monkey: Not as bad as Yang but she still suffers for the sake of comedy quite a bit.
  • Calling Your Attacks: Yincinerate and Transfoomate are common spells she uses.
  • Color-Coded Wizardry: The color of her magic tends to change depending on the spell: it is normally a bright shade of blue while her fire based attacks are a fitting red; when activating her aura, it's always pink.
  • Cute Bookworm: She's a massive bookworm who's cute to boot.
  • Cute Bruiser: She's adorable and has repeatedly defeated against evil all the time.
  • Deadpan Snarker: She always says snarky remarks to both her enemies and to her brother.
  • Evil Makeover: During "Gown a Fowl", Yin's appearance becomes more and more dark as Coop's evil nature starts to cling onto her, starting off with simply dark clothes and make up until her fur and aura entirely change.
  • Excessive Evil Eyeshadow.: Takes up a sudden fondness for dark and heavy eye make up when Coop's evil corrupts her, as well as the rest of her clothing until the markings give her something similar to the Nightmaster.
  • Foolish Sibling, Responsible Sibling: Responsible to Yang's Foolish.
  • Girly Bruiser: She's a very feminine female rabbit and kicks lots of ass.
  • Granola Girl: She's implied to be a vegetarian as she's never seen eating meat.
  • Half-Identical Twins: With her brother Yang.
  • Heinz Hybrid: Master Yo is her father, making her and Yang half-panda.
  • Hypocritical Heartwarming: She says that she's the only one who gets to laugh at Yang.
  • Inter Species Romance: With Coop (a chicken) and Clamuel (a clam) among others.
  • Kung-Fu Wizard: A subtle part of her Character Development. Initially she primarily used magic and no real might abilities, but after the Season 1 finale, she has been seen fighting more physically, combining it with her magic.
  • Levitating Lotus Position: Her Woo Foo abilities are able to levitate objects and others.

    Master Yo
Voiced by: Martin Roach

Teacher of Yin and Yang, Yo is a grumpy old panda whose age is unknown though implied to be a centenarian (as he'd missed his 117th high school reunion). Yo has great sage wisdom and is a master in the Woo Foo arts, but is also pretty lazy and prone to lounging around. Master Yo mentors Yin and Yang in the Woo Foo way to save the world, but it wasn't his choice; the spirits of past Woo Foo warriors stopped him from watching a movie called "Who Stole the Cookie" until he decided to do it. He's able to use both might and magic and has moves that Yin and Yang have no clue about.

  • Action Dad: He's revealed to be Yin and Yang's biological father in the series finale.
  • Afro Asskicker: Back in his younger days, he dawned skills as broad as his afro.
  • Badass Adorable: When he was reverted to a toddler in the episode, "Turn About" at three years old, already more talented and powerful than Yin and Yang combined: he could already use Woo Foo Aura better than them and even some unique tricks like calling down thunder with Woo Foo Lightning. Lampshaded:
    Yin: He's 3 and he can Fooportate?!
    Yang: No wonder he's a Woo Foo Master now! I wonder what else he can do?
  • Big Eater: He seems to do nothing around the house but binging on food and Tv.
  • Brilliant, but Lazy: He's a master of Woo Foo, but is now perfectly content to lounge around and do nothing.
  • Bunny-Ears Lawyer: A goofy, out of shape old man who nonetheless knows very important lessons and can still kick ass.
  • Casanova Wannabe: He often tries to flirt with ladies with failing results. One episode Hex of the Ex revolves around Yo's love life, where it's shown he was quite the player in his youth and a Jerkass to his various girlfriends who later tried to kill him.
  • Child Prodigy: Look at Badass Adorable above; considering he'd mastered skills that Yin and Yang barely even know about at only three, he qualifies.
  • Cool Old Guy: More than a century old, but still capable of kicking butt.
  • Dirty Old Man: Attends a macrame gathering with Yin just so he can meet up with single women that are most likely way younger than he is.
  • Fat Slob: He's a fat panda who spends most of his time sleeping, eating junk food, and lazing around. He's also a flatulent slob who constantly burps and farts, and he's shown to have bad manners and poor personal hygiene in general.
  • Gasshole: He belches and farts on multiple occasions, and is shown to be quite gassy due to his constant eating.
  • Good Is Not Nice: He's more of a obstacle towards Yin and Yang than a mentor. He almost never does any action, throws Yin and Yang into sticky situations just because he thinks it'll help them build character and neglects to pay any parental support to the two.
  • Grumpy Old Man: He's a century old and is very grump most of the time.
  • Heavy Sleeper: Generally downplayed for the most part.
  • Hero of Another Story: Currently trading out his past success to be a mentor though he isn't too shabby on his past skills and still contains a lot of knowledge.
  • Hypocrite: In "A Walk in the Woods", he gets mad about Yin and Yang for being lazy while Yo is much lazier than those two as he's always sleeping or forcing the two to do chores for him.
  • I Am Big Boned: In "Touchy Feelings" where he was losing layers of his body and stripped down to bone, he mentions this; even so, he retains this mindset when his flesh returns.
  • Interspecies Romance:In relation to the previous trope, Yo should have had a rabbit girlfriend/wife.
  • Jerk with a Heart of Gold: A lazy, gluttonous, and rude old panda, but he does care a lot about Yin and Yang, willing to do what he can to protect them.
  • The Kirk: He's this towards Yin and Yang at heart, though he frequently fails to fully qualify due to his laziness and frequent apathy towards so many things.
  • Last of His Kind: He's the last panda on earth.
  • Luke, I Am Your Father: He's revealed to be the twins' biological father in the series finale.
  • Magic Knight: Unlike Yin and Yang who focus exclusivily on the magic and martial arts sides of Woo Foo, he is an expert with both.
  • Panda-ing to the Audience: In his youth. Not so much as an adult.
  • Papa Wolf: Although he regularly lets Yin and Yang handle their own battles, he's more than willing to stand up for and rush to their aid if he sees they're in need of help.It especially applies to this after the reveal that he's their biological father.
  • Parental Substitute: Practically raised two children due to their absence of their actual parents though it later turns out that he was their father all along yet had his memory wiped of that knowledge to train them "without bias and fear."
  • Old Master: A spoofed example.
  • The Pig-Pen: Pretty much his entire character. He's a fat, old, flatulent panda who loves to stuff his face in junk food and who's notoriously unmannered and unhygienic. Several characters comment on him having strong B.O. and bad breath. In the episode Voyage to the Center of the Yo, it is revealed that he hasn't cleaned his ears in years.
  • Spirit Advisor: Despite being alive, his spirit appears to advice Yin and Yang when he's not present.
  • Strong as They Need to Be: How powerful Yo is depends almost entirely on the plot. Sometimes he's stronger than Yin and Yang while other times he suffers from The Worf Effect to show off how strong an enemy is before Yin and Yang defeat them.
  • Trademark Favorite Food: He loves his soft pretzels.
  • Trickster Mentor: He takes some pleasure in letting his students make their mistakes and him rubbing it in their faces regarding his advice.


Voiced by: Novie Edwards

An aqua-green female dog, Lina is Yang's girlfriend (after "Gone-A-Fowl") and Yin's best friend. She is a nice, yet short-tempered girl who lives on a farm with her father. She was first introduced in "Beetlemania", when Yang pretended to be a Woo Foo Warrior in order to impress her, but his plan backfired after he had to fight a giant steel beetle; eventually, Yin was able to get Yang to tell the truth. Lina is often unafraid to state her opinion and even talks back to her father. She was trained by Yin and Yang to use Woo Foo and is the second-in-command of the Woo Foo army Yin and Yang gathered together.

    Roger Jr.
Voiced by: Damon Papadopoulos

Logically the son of Yin and Yang's part-time enemy, Roger the Skelewog. At first, Roger Jr. was a bully to Yin and Yang, having mock fights with Yang and teasing him and Yin, but, during "Woofoogeddon", it was revealed he longed to be Yang's best friend. Roger Jr., being a monster, has displayed super strength, such as when he easily took out a whole group of the Night Master's soldiers just by running by them with his arms. He is also a member of the Woo Foo army Yin and Yang gathered together.

  • Breath Weapon: He has the ability to breathe fire.
  • Friendly Enemy: At first, Roger Jr. was a bully to Yin and Yang, having mock fights with Yang and teasing him and Yin, but during Woofoogeddon/Who Knows What Evil Lurks, it was revealed he longed to be Yang's best friend. In Season 2, he ultimately ends up be friending Yin and Yang and their other friends.
  • Hidden Heart of Gold: He pretends to hate Yang, but he longs to be his friend.
  • Nice Hat: His baseball cap.
  • Super Strength: Roger Jr. Being a monster, has displayed super strength such as when he easily took a whole group of the Night Master's soldiers just by running by them with his arms.
  • Vitriolic Best Buds: With Yang.

Voiced by: Dwayne Hill

A magical talking tree stump, Dave is a low-life and is considered pathetic by his friends. Many times, Dave is often caught in the crossfire of battles or hurt in some way by friend and/or foe. He's considered whiny, talks nonstop about his family of trees, and is never noticed. As discovered in Stuck, Dave has the ability to communicate with and manipulate non sentient plants. This apparently surpasses that of the other characters. He is now a member of Yin and Yang's Woo Foo army.

  • Butt-Monkey: Constantly deemed annoying and whiny by anyone who meets him, including his group of friends.
  • The Chew Toy: Which is saying something given how much slapstick everyone else suffers.
  • Green Thumb: Capable of communicating and manipulating other plants which ends up making him quite powerful.
  • Nice Hat: His baseball cap.
  • Nice Mean And Inbetween: The Nice to Yang's Mean and Yin's In-Between.
  • Plant Person: Literally a talking tree stump; he even has a squirrel living in him.
  • Took a Level in Badass: Learns about his abilities during "Stuck" and from then on has been able to use to help out.
  • Youthful Freckles: He's young and have visible freckles on his cheecks.

Voiced by: Dwayne Hill

A nerdy chicken who appears to be scared of any threats and has a huge crush on Yin but because she never returned any of his feelings, Coop joined the Night Master in exchange for the promise to have Yin when the world was taken over. He is a minor villain and he is seen with some of the other villains in the Yin, Yang, Yo intro in season 1. Coop gave the impression of incompetence, but in reality, he had powers and abilities rivaling Yin and Yang's; in the end, Coop couldn't bring himself to go through with the Night Master's plans and held him in place so Yin and Yang could destroy him. Eventually, he returns and ends up overwhelmed by the power of the Night Master, temporarily becoming evil before snapping to normal and going off to train and gain control. Upon doing so, he joins the Woo Foo army.

  • Abhorrent Admirer: Towards Yin due to his obsessive behavior and general nature that Yin finds more annoying than endearing, no matter how hard the poor guy tries to impress her.
  • All Love Is Unrequited: His feelings towards Yin seem like they'll never be returned that is until the ending of the series when Yin seems to return his feelings.
  • The Dragon: To the Night Master in season 1 prior to his Heel–Face Turn.
  • Inter Species Romance: A chicken who has, occasionally, gotten romantically involved with a rabbit.
  • The Mole: Acts as a spy for the Night Master.
  • Nerd Glasses: He's incredibly nerdy and wears very large, nerdy glasses.
  • Official Couple: Later gets the relationship he's been yearning for with Yin.
  • Punny Name: A chicken named Coop, as in a chicken coop.
  • Single-Target Sexuality: Only shows to have eyes for Yin the entire series...unless you count his strange fondness for corn (though he is a chicken.)
  • Stalker with a Crush: To Yin.
  • Superpowered Evil Side: Due to the Night Master's presence infesting him, he can become a super powered and muscular version of himself that comes along whenever he grows agitated; of course, this nearly corrupts Yin and he disappears for many episodes to control it.
  • Took a Level in Badass: In his quest to try and win Yin's affection, he trains under the Night Master and quickly becomes as strong as Yin and Yang; he does further still when he reabsorbs some of the Night Master's power in Season 2 and learns to control it.
  • Villain Has a Point: After Yin realizes he was working for the Night Master, she accuses Coop of betraying after she trusted him and was nice to him. Coop angrily, and rightly, reponds that Yin was never nice to him.
  • Verbal Tic: "Buckaw!"

    Muffin, The Town President
Voiced by: Dwayne Hill

Description coming soon.

  • Amazing Technicolor Wildlife: He's a green goat.
  • Butt-Monkey: He is usually attacked by Carl.
  • Everyone Calls Him "Barkeep": Muffin isn't even his real name.
  • I Lied: In "" when he promised Yin and Yang that he'd get them into a hip club.
  • It's All About Me: He's a bit egomaniacal, often losing sight of what's moral.
  • Jerkass: He cares mostly about his publicity and popularity (although he does care for his cat Puddin Paws), and is even willing to take credit for the deeds Yin and Yang perform in order to attain it.
  • Mayor Pain: The mayor of the town and a real jerkass.
  • No Name Given: His real name is unknown, as Carl randomly started calling him Muffin the first time he captured him, and everyone else (including the President/Mayor himself) has been using it ever since.

Voiced by: Bill Engvall

A Redneckistanian practicing Woo Foo, while being disliked by his teachers, Yin and Yang, as a stupid, smelly hick; however, when he finally gets the time to clean himself up, he reveals himself to be a smart, well-groomed young man. After defeating the Chung Pow Kitties, Jobeaux reveals his knowledge of Yin and Yang's disrespect and returns home to marry and live in a castle of diamond-encrusted grits (which Yin was fantasizing about before they met). He has a pet armadillo named Fuzzy Thunder that hides in his mouth, giving him a hick accent.

  • Deep South: He lives in Redneckistan.
  • He Cleans Up Nicely: Unlike many Redneckistanians.
  • Modest Royalty: Somewhat, despite being a prince, he's rather casual and doesn't show much interest in changing his traditional ways even when he does take up a married life in a diamond encrusted grit fortress.
  • Royals Who Actually Do Something: Takes a very active role in his kingdom and seems to be the most active method of defense.
  • Warrior Prince: Yes, it's hard to believe, but he's a prince.

    The Boogeyman

The Boogie Man is a disco-loving green monster that helps Yin and Yang defeat Pondscüm, Zarnot, Fastidious and Mastermind in "Roboticus Maximus". When the two rabbits were looking for a sidekick to boss around, they chose him. Eventually, they put him in charge over them which lead them to a victory. He became part of the Woo-Foo army they gathered.

  • Afro Ass Kicker: A Woo Foo knight who sports an afro.
  • Cool Shades: A circular, pink pair.
  • Disco Dan: Boogeyman is a disco-loving green monster, and has a funky speech that's hard for anyone to understand.
  • Early-Bird Cameo: Appears as a minor character in The Howl of the Weenie.
  • Real Men Wear Pink: His entire outfit (sans the belt, glasses, and shoes) is pink.
  • The Unintelligible: "This boogety-bites the big bamma-lamma!", among others. Actually protects him against mind-reading as while someone could read his mind, they still can't understand disco.
  • You Gotta Have Blue Hair: He has purple hair.


    The Night Master
Voiced by: David Hemblen

Billed as a "Dark Overlord in an Evil Class All By Himself", the Night Master is a very powerful and dangerous foe who was responsible for the near extinction of Woo Foo by eliminating all of the Woo Foo knights except for Master Yo. The Sensei managed to turn Night Master's army to stone and sent him into hiding for a hundred years until he tricked Yin and Yang into using Woo Foo in order to free his army. The Night Master appears to be a demonic sorcerer bat (as such, he hates light) of some description and has a liking for Gothic, ostentatious outfits.

  • As Long as There is Evil: It's possible for about anyone to take up the Nightmaster's reign as long as they prove how terrible of a person they are; so, even if the current one dies, there can always be a replacement.
  • Bad Boss: He's very abusive of his underlings. Sometimes it's because he's annoyed with their idoicy, but some moments like his treatment of Coop [[not]]Coop once asked if he eat a pile of chocolate and the Night Master destroyed it[[/note]] is just him being a jerk.
  • The Bad Guy Wins: "The Return Of The Night Master" sees him successfully manipulate Yin and Yang into freeing his army. He fails to kill them and Yo, but accepts them getting away.
  • Bat Out of Hell: Resembles an incredibly tall and thin bat wearing a cloak.
  • Big Bad: He's the main antagonist of Season 1.
  • The Comically Serious: It's his short temper and serious nature towards most things that make his interactions with more zany characters all the more comical.
  • Curb-Stomp Battle: Easily bests Yin and Yang in "The Return Of The Night Master" with them only managed to escape by holding him off with his weakness to light.
    • In the finale of the first season he dishes out one against Yo, and even when Yo combines his powers with Yin and Yang, the Night Master still defeats all three of them since blotting out the suns has made him stronger than ever.
  • Dark Is Evil: He's evil and wears an all-black coat.
  • Disc-One Final Boss: He's set up as the show main villain is responsible for the near extinction of Woo Foonote  and drives the conflict of the first season, but is beaten at the end of the first season and not seen again.
  • Drama-Preserving Handicap: Since the only warrior who could match is an old man, if not for his weakness to light the Night Master would be unbeatable.
  • Evil Laugh: He laughs like a stereotypically evil antagonist.
  • Evil Overlord: He's evil and is the Night Master, the ruler of all evil.
  • Evil Sorcerer: He's a sorcerer who's obviously evil.
  • Expy: Aku of Samurai Jack.
  • Furry Reminder: He's a bat, and is sometimes seen hanging upside down.
  • The Heavy: The one who started the main source of conflict with Woo Foo being close to nonexistent int the current society and not at all taken seriously by others.
  • Knight of Cerebus: Despite some occasionally funny scenes regarding his fashion choices, he's clearly the main cause behind a mass genocide and he's taken in all seriousness whenever he invests in his plans. Rather telling the first time his gets personally involved in "The Return Of The Night Master" the episode actually ends with him winning.
  • Lean and Mean: He's as scrawny as a stick figure and is evil.
  • The Man Behind the Man: Prefers to act this way.
    • Sends out Ultimoose in the show's opening episode sending him to drive a wedge between Yin and Yang.
    • In "Falling Yin Love" he supplies a robot body to Yuck with gloves that allow him to absorb enough Wu Fu to regain a physical form.
    • Sends Zarnot to pilot a robot doll in "A Toy's Story" to infilitrate the Wu Fu dojo and blow it up. The plan would have worked if Zarnot had simply set off the bomb like he was supposed to.
  • No Name Given: He's only referred to as "the Night Master" with his name before he became the current Night Master never being stated.
  • Obviously Evil: He's a giant bat who wears a dark cloak and speaks in an eerie voice; also, he prefers looming in the shadows at all times.
  • Orcus on His Throne: While he's powerful, he prefers to rely on his underlings.
  • Red and Black and Evil All Over: The marks around his eyes are red and his cloak is black with red underneath.
  • Red Eyes, Take Warning: Sometimes they are most noticeable when he's in the dark.
  • Surrounded by Idiots: He's pretty smart himself, it's just that his minions tend to be much less intelligent than him and screw up his plans. In the finale of the first season he wises up and relies on different underlings than usual (sans Coop since he's avoided screwing up) and they manage to do their jobs right.
  • The Trickster: Enough to get Yin and Yang to accidentally free him.
  • Weakened by the Light: His main weakness is sunlight which is why he always looms in the darkness to avoid being burned to death.
  • Vile Villain, Saccharine Show: A genocidal, power hungry destroyer who now wants to kill two children and their elderly panda mentor and maybe take over the world in the process.

    Carl, the Evil Cockroach Wizard
Voiced by: Jamie Watson

Carl, the Evil Cockroach Wizard (who tends to shout out his name as much as possible and always wants to be called Carl the Evil Cockroach Wizard), continuously schemes to defeat Yin, Yang, Master Yo and the power of the Woo Foo with his insecure genius. He also lives with his overbearing mother Edna, who is a dragon (it makes no sense as to how they are related). Carl is always trying to find a way to impress his mother and out-do his brother Herman. Despite his desire to win his mother's love, Carl is resentful and has talked back (usually under his breath), made her cry, and even put a spell on her.

  • Affably Evil: He's pretty friendly with the twins even during evil schemes and the two have allied on occasion.
  • All of the Other Reindeer: He's the only major villain left out of Eradicorp. Because the front is a coffee shop, a cockroach running around would hurt business.
  • Ambiguously Gay: Despite having a flamboyant personality and speaks in a stereotypical Gay Lisp, it's implied that he had a girlfriend.
  • Big Bad Wannabe: He actually faces the protagonists far more often per season than the Night Master or Eradicus. He's also a legitimately powerful wizard. It's just that his own foibles and insecurities hold him back.
  • Big Little Brother: Carl is taller than Herman, but is younger than him.
  • Breaking the Fourth Wall: Has broken the fourth wall on occasion on the show.
  • Butt-Monkey: Despite being the most frequent villain on the show, he's frequently on the other end of the stick when it comes to being a walking punching-bag.
  • Card-Carrying Villain: Loves to show off he is evil.
  • Catchphrase: His full name.
  • Color-Coded Eyes: Green eyes, possibly indicative of his jealousy of his brother and/or to invoke Emerald Power.
  • Deadpan Snarker: Easily one of the more sarcastic characters.
  • Disappeared Dad: While seen interacting with his brother and mother, no mention of a father.
  • The Dog Bites Back: Since Herman beats Carl at every opportunity, Carl will take the chance to rub any of Herman's failures in his face, especially in light how his alergy to Master Yo's hair can easily ruin his plans.
    • When Herman steals a the Book of Forbidden Evil, Carl teleports Yin and Yang to safety after they steal it back. He doesn't like Yin and Yang but he will take any opportunity to ensure Herman loses.
    • Herman forces Carl to make a potion that will protect him from his panda alergies. Said potion simply created a closepin on Herman's nose, which Yin removed. As Carl pointed out, Herman should have known Carl would do a lousy job after how much Herman abused him.
  • Enemy Mine: One of the only villains to team up with Yin and Yang. He even considered a Heel–Face Turn in one episode but was rejected.
  • Evil Is Petty: This is how Yin and Yang get him and Herman to end their truce in Family Day.
    Yin: We need to get them fighting again... but how?
    Yang: What's that emotion I have that always makes me wanna dump on your day?
    Yin: Oh, oh! Petty jealousy?
  • Ineffectual Sympathetic Villain: His failures of impressing his mom and being bullied by his older brother make him quite sympathetic.
  • Line-of-Sight Name: Carl is really bad at coming up with fake names, he just comes up with "Carla" or "Carlos".
  • Not-So-Harmless Villain: He's powerful enough to take out the Night Master's Elite Mooks in droves during the season one finale. He is also the member of the Rogues Gallery that has the most episodes centered around him.
    • Lampshahded a few times. Yang points out that while he is dangerous, their insults make him mad and throws him off.
    • Another example is where Carl switches minds with Yo. Yo uses Carl's powers to fight back against brother Herman, revealing Carl is as strong as his brother.
  • Paper-Thin Disguise: How Yin and Yang never seem to see through them is a mystery, as almost all his plans include the use of a disguise at some point, often more than once an episode, occasionally involving crossdressing, and at least once it wasn't even necessary.
    Herman: Exactly why do we have to dress like plumbers to sneak into a bathroom window?
    Carl: You know me, I like to play dress-up.
  • Sibling Yin-Yang: With Herman.
  • Supernatural Is Purple: His cape is purple.
  • Sword and Sorcerer: When cooperating with Herman, with him as Sorcerer.
  • The Unfavorite: His mother prefers Herman over him, due to his brother's success.
  • Weaksauce Weakness: His weak self-esteem and short temper means that insults throw him off his game pretty easily. Yang exploits this very often.
  • Who's Laughing Now?: Pulls this to Yin after she humiliates him in "A Bad Case Of The Buglies"
  • Woobie, Destroyer of Worlds: It is implied on numerous occasions that his failed attempts at being a villain efficient and physical abuse of his older brother, is resentment that motivates him to try to defeat Yin and Yang to impress his mother.

Voiced by: Jonathan Wilson

A mighty Gryphon who is bent on destroying Woo Foo. As revealed in "Welcome To The Dark Tomorrow", he is in fact the first and original Night Master. After his demise (of unknown cause), other beings of darkness took on the mantle of evil he left behind including an unknown snake lady and the bat-creature Yin and Yang faced in season 1. His deceased minions posed as the ghosts of the Woo Foo Elders to manipulate Yang into collecting the items of power needed to revive him. Tricking Yang into throwing the items into the Night Master's fireplace at the stroke of midnight, Eradicus was instantly resurrected.

  • Corrupt Corporate Executive: As the head of "Eradicorp"
  • Didn't Think This Through: He planned to unleash the Weeniehowl by having it drain people's fears: while successful in creating a large monster that could destroy the city, he also wanted to hear the screams of terrified people (hoping to transform his favorite holiday back into a terrifying affair); however, since the monster completely drained everyone's fears, they had no reason to care what was going on and were completely indifferent to it.
  • Early-Bird Cameo: First seen in "Doomed To Repeat It".
  • Evil Overlord: The previous Night Master.
  • Names to Run Away from Really Fast: His name could easily be interpreted as "eradicate", which means to destroy completely; he especially lives up to his name after he successfully brings on the Dark Tomorrow which is the show's equivalent to the apocalypse.
  • Large Ham: Lots of it.
  • Our Gryphons Are Different
  • Power Echoes: Almost always has the presence of two voice speaking at one time, though it's especially noticeable whenever he shouts.
  • Suddenly SHOUTING!: To add onto his hamminess, he has a bizarre habit of starting off his sentences in a flat and calm tone until randomly shouting at the top of his lungs by the end.
  • Vocal Evolution: Deep and gruff voice in his first appearance.
  • Villains Out Shopping: Aside from being evil, he loves polka and to throw slumber parties with his minions

    Ella Mental
Voiced by: Linda Ballantyne

A female villain who can read minds. She is the smartest one of Eradicus's minions, though her blunt corrections often get her zapped by Eradicus. Eradicus also forced her into tuba lessons, and can play polka music.

  • Dark Action Girl: She's works for Eradicus and is an action type.
  • The Dark Chick: She's female and being one of Eradicus' henchmen, she's one of the bad guys.
  • Deadpan Snarker: Normally in response to the other's incompetence.
  • Evil Genius: The smartest out of the group and is far more likely to plan ahead and approach situations with common sense before jumping head of herself.
  • Fiery Redhead: Mostly averted as she's easily the most level headed member of the team and a brunette, but does have a tendency to become incredibly malicious and loud if angered.
  • Fingerless Hands
  • Flight: Is one of few characters shown to have this ability.
  • Magic Staff: Regularly holds a long staff with a glowing red orb at the top.
  • Psychic Powers: Is able to mind read and levitate items and harbors a great deal of power from being within her own mind as shown in Mind Games when she nearly overpowers Yin.
  • Proud Beauty: Holds a lot of satisfaction in her attractiveness and doesn't take it well when Yin thinks she's not that hot.
  • Punny Name: Sounds like "elemental".
  • Vain Sorceress: Less magic and more psychic powers, but still fits.
  • Women Are Wiser: Consistently the most level-headed and sensible member of Eradicus' organization.

Voiced by: Tony Daniels

A villain who has nearly impenetrable armor and can bowl over nearly anyone. He can be best described as unintelligent.

  • Affably Evil: Generally pleasant and friendly to everyone due to his stupidity.
  • The Brute: An indestructible being who can deflect attacks, roll over enemies and send his enemies flying through the air with one punch or kick.
  • Dumb Muscle: Emphasis on dumb. He's very strong and the muscle of the group but is as dumb as rocks.
  • Nigh-Invulnerability: He's indestructible, hence his name.
  • Punny Name: His name is a play on indestructible.
  • Third-Person Person: He refers to himself as "Bob".

    Rubber Chucky
Voiced by: Peter Cugno

A villain who can stretch himself into any shape and any person. He loves cracking bad jokes. His name is a portmanteau of the gag toys Rubber Chicken and Rubber Ducky.

Voiced by: David Berni

A villain who can shapeshift and regenerate his limbs.

    Brother Herman
Voiced by: David Berni

Carl's black-hearted, sadistic, selfish and evil ant brother, Herman, is a tyrannical ant warrior who rules his kingdom with an iron fist, a diabolical mind, and impeccable table manners. He is also quite the mama's boy. He attempted to take over the world until Master Yo stopped him.

  • Aloof Big Brother: To Carl. Though it's never outright stated that he is the elder of the two, it's implied here and there, and he certainly fits the trope.
  • Big Brother Bully: He's Carl's older brother and always bullies him any chance he gets.
  • Disappeared Dad: No one knows what happened to him and Carl's dad.
  • Even Bad Men Love Their Mamas: He treats his brother like dirt, but does appear to actually love his mother.
  • Drop the Hammer: When he's not wielding a sword or his fists, he uses a warhammer.
  • Evil Overlord: He's a ruthless tyrant that's anything but nice.
  • Eviler Than Thou: To his younger brother Carl.
  • A Father to His Men: Subverted. "Please, soldier, don't cry... because weakness is a punishable offense! THROW HIM IN THE DUNGEON!!!"
  • Faux Affably Evil: Pretends to be nice to his mother even when treating Carl like crap.
  • Jerkass: Herman is a violent brute who beyond his love conquest is also complete jerk to his brother, beating him any chance he gets. Even his underlings aren't safe.
  • Momma's Boy: A trait he and his brother share.
  • Multi-Armed and Dangerous: He has four arms, making him capable of Quadruple Wielding.
  • Multi-Melee Master: Swords and hammers.
  • Nigh-Invulnerability: He's an ant, yet can resist lots of heavy blows from blunt weapons to even magic.
  • Oh, Crap!: When he finds out that the potion to take away his allergies no longer works because all the potion did was conjure up a clothespin over his nose, and Yin flicked it away easily.
  • Pet the Dog: When Yin and Yang disguise themselves saying Herman was voted dictator of the year in order to get Herman to set up a party so they could still back a Tome of Eldritch Lore, Herman was actually in the process of thanking the two of them until he realized they were robbing him.
  • Satellite Character: While Carl appears plenty of times without him, it's noteworthy that he never appears in an episode without Carl making at least a cameo, if not sharing the spotlight. His character is largely defined by comparison with his brother. It's particularly jarring since he's mentioned as having conquered most of the world, and is played up as being a more competent villain overall.
  • Sibling Yin-Yang: With Carl.
  • Super Strength: His four arms pack a surprising amount of wallop.
    • Strong Ants: His troops aren't pushovers exactly either.
  • Sword and Sorcerer: The Sword (or Hammer, or Fists) when paired with Carl.
  • Villain Decay: In his debut appearance, Yin and Yang couldn't scratch. But since he forgot to level grind while they trained, the third time he appears they can defeat him and he doesn't pose much of a threat than his brother.
  • Violent Glaswegian: He's a villain who for some reason has a Scottish accent.
  • Weaksauce Weakness: He's allergic to panda fur. Both physically and mentally allergic to it.

Voiced by: Tony Daniels

Ultimoose is the ultimate Night Master lackey: tough as nails, a master at Moose fighting, and really, really dumb, despite his shortness and strong antlers. He seems to offer work under the Night Master but is merely a dim-witted pawn.

  • All of the Other Reindeer: "Deja Foo" sees the various villains hold a picnic scavenger hunt. Guess who wasn't invited.
  • Battle Cry: "HOOH!HAAH!HOOH!"
  • Boisterous Bruiser: He constantly boasts how buff he is all the time.
  • Butt-Monkey: He's just as bad as Carl when it comes to this.
  • Dumbass Has a Point: When Yin and Yang manage to get into massive credit card debt a mall built around their dojo, with cards Ultimoose gave them while in a Paper-Thin Disguise, after he reveals the mall was a scheme by the Night Master he reveals his own identity. And then points out the mall and the credit cards were clearly named after him and that it was painfully obvious the whole thing was a trap.
  • From Nobody to Nightmare: In "Deja Foo" after becoming the Night Master, (calling himself the Night Mooster) and killing Yin and Yo and nearly killing Yang as well.
  • Harmless Villain: He's treated as one, but can be quite dangerous.
  • Large Ham: He tends to be over-dramatic, especially when it comes to manliness.
  • Moose Are Idiots: A Dumb Muscle antagonist who happens to be a moose.
  • Straw Misogynist: Ultimoose says a lot of sexist things about women, most commonly by using "lady" as an insult. He is to Yin what Saranoia is to Yang.
  • Third-Person Person: It will be easier to count the times where he doesn't says sentences in the third-person.

Voiced by: Scott McCord

Yuck, a turquoise-green rabbit with terrible hygiene, is an entity formed from Yin's obsession with control and Yang's aggression. As a disgusting, mutant rabbit, Yuck wants more than anything in the world to be the greatest, most powerful Woo Foo Knight of all time.

  • Ax-Crazy: Aggressive as he is, Yuck seems to derive sadistic fun from generally hurting people and many of his deranged smiles imply he isn't entirely right in the head.
  • Badass Adorable: Despite his arrogance, he does prove to be one of the most formidable foes in the series, able to outsmart and nearly gain victory a number of times by himself. Not to mention that he's possibly the most powerful Woo Foo knight in existence, nearly killing Master Yo the first time in a mostly one sided fight.
  • Big Eater: Eats an entire pie and a pizza in his debut episode in just a few bites, normally making a mess along the way.
  • Blood Knight: Having Yang's aggression, this is a given.
  • Blow You Away: "Yuck-i-cane!"
  • Calling Your Attacks: Sometimes.
  • Control Freak: Obtains an obsessively controlling personality on behalf of Yin.
  • Energy Ball: Is able to devise a ginormous sphere of green energy on one finger strong enough implode an entire town.
  • Evil Counterpart: To both Yin and Yang.
  • Fangs Are Evil: Has spiky teeth and is the evil opposite to both Yin and Yang.
  • Good Costume Switch: In "Upstanding Yuck", he wears a non-ripped shirt, seems to have bathed himself, and slicks back his fur.
  • Heel–Face Revolving Door: Also in "Upstanding Yuck" he becomes a good guy by having a group of hooded figures beat goodness into him. Yin and Yang don't trust him of course and follow him around, ambushing him whenever his words sound like a threat. They're proven wrong in the end, realizing too late that Yuck was good all along and that their actions have only turned him back to his old ways.
  • Hiccup Hijinks: The main thing that defeats him at the end of "Imperfect Fooplicates". Despite his incredibly increased power after inhaling a number of Fooplicate flakes, this also gave him a bad case of hiccups that make him lose control of his abilities and ultimately beat himself up.
  • Jerkass
  • Killer Rabbit: An almost literal version.
  • Large Ham: Not quite as much as other examples as he seems to be able to keep his speaking patterns more casual, but he can certainly bring up the ham whenever he makes an entrance.
    Yeah baby, I'm back!
  • Magic Knight: Dual-wields the Might and Magic capabilities of Woo-Foo.
  • Made of Evil: Made from the negative qualities of Yin and Yang (specifically bossiness/need for control and impatience/violent streak).
  • Manipulative Bastard: Has proved himself capable of plotting multiple people to his schemes.
  • Master of Disguise: Unlike other villains, he wears some pretty convincing disguises to the point his reveal can be the biggest shocker, normally involving robot suits or someone else's body he'll posses.
  • Never My Fault: Rarely ever takes the blame for his failures, especially in "Personality Problem" where he blames Yin and Yang for being on top of their game for him being defeated and towards the end of the episode where he claims his girl half's idea is the reason he lost.
  • The Pig-Pen: He doesn't call himself "Yuck" for nothing.
  • Pint-Sized Powerhouse: He's the same size as Yin and Yang and is as deadly, if not moreso, than either of them.
  • Playing with Fire: Is capable of doing the Fists of Fire when he's first made, just to prove how powerful he already was.
  • Sickly Green Glow: His magic is this color.
  • Smug Super: Always feels the need to point out how he's a Level 5 Woo Foo Warrior and he's still hungry for more power.
  • Third-Person Person: On occasion, he'll end a threat with his own name, such as shouting phrases like "So swears Yuck!" or "You'll be no match for Yuck!".
  • Vocal Evolution: His voice starts off as more nasally in the first season and sounds more raspy in "Voyage to The Center of Yo". In the second season, he has his official voice which is deeper and slightly raspy.

Voiced by: Linda Ballantyne

A hyper-active female who was, supposedly, Yang's girlfriend. It turns out she was using him to fight against her brother, who in turn, captures Yin to fight against Smoke. Yin and Yang eventually capture the two into Smoke's Prison Prism.

  • Affectionate Parody: Smoke and Mirrors capture Yin and Yang and force them to fight in a style similar to Pokemon while the characters themselves are one of anime. Smoke dating Yang is a parody of Pokemon's usual Power of Friendship theme. She is dressed in Sailor Fuku and wields a large Buster Sword-like blade.
    • Smoke loses the Pokemon angle in later appearances, becoming an entirely different parody that's only more ironic considering her VA (see below).
  • Amazing Technicolor Population: Yellow skin.
  • Ambiguously Human: Resembles a human more than anyone else, only excluding her yellow skin and lack of a nose, though she's never specifically stated to be one.
  • Ax-Crazy: A number of the things she randomly yells between her lectures range from bizarre to downright terrifying threats towards people who may be annoying her.
  • BFS: Being a walking anime parody, her sword is as big as Guts and Cloud Strife.
  • Boobs of Steel: She's a very strong and deadly fighter and is one of the bustier characters on the show.
  • Cute Little Fangs: Has two sharp teeth that come out of her mouth.
  • Dark Action Girl: She's evil and is a powerful swordsmen.
  • Dating Catwoman: Yang, a hero, dated her in her debut appearance.
  • Evil Redhead: She's one of the more recurring villains and has bright red hair.
  • Fiery Redhead: Can't go very long without screaming a threat, normally finishing with a giggle.
  • Impossible Hourglass Figure: Her waist is as thin as her arms and has visible hips and bust.
  • Large Ham: Speaks like this in a vein to hammy anime dubs.
  • Magic Skirt: Despite doing a great deal of fighting, her skirt stays in place as though it were cloaked in starch.
  • Noblewoman's Laugh: A subtle case as her laughs aren't much beyond a giggle though she always holds her hand up to her mouth whenever doing so.
  • The Noseless: She is drawn without any nose like Lina.
  • Punny Name: With her brother Mirrors, a play on Smoke and Mirrors.
  • Rapunzel Hair: That is one HUGE ponytail.
  • Sailor Fuku: Going along with an embodiment of anime parodies.
  • Verbal Tic: Normally finishes her statements with a "tee hee!"

Voiced by: Jonathan Wilson

Smoke's rivaled brother. When Smoke uses Yang in the tournament, Mirrors obtains Yin to fight her. Yin and Yang managed to use one of the Forever Friend Prisms to imprison Smoke and Mirrors. Mirrors' hairstyle resembles the hairstyle of Goku from Dragon Ball Z. He appears to speak in a way mocking most anime, by stopping and starting at odd intervals.

Voiced by: Linda Ballantyne

With an outfit & magic wand for every occasion, Saranoia is a powerful sorceress and mistress of disguise. Deeply sexist and obsessed with female rights, she is determined to free Yin from studying Woo Foo and take her in as her disciple. She had a terrible childhood and always thinks men are like her lazy brother Mark and her boy-favoring wizard father, who she mistakes Yo as, just as she mistakes Yang for Mark.

  • Flanderization: Her Psycho Misandrist traits become her singular trait after her later appearances and she becomes more insane over the course of the series.
  • French Maid: In "Bad Nanny Jamma", she tries to get into the dojo this way. However, the given wand forces her to clean every mess before she can even try to get Yang.
  • Freudian Excuse: Having a boy-favoring wizard of a father who made her study all time practically shifted who she is today.
  • Magic Wand: Has a wide assortment, each of which based on a household objects. Besides allowing her to shapeshift into a certain form (along with her gnome minion), it lends her appropriate abilities. For example, a lipgloss wand turns her (and her gnome minion) into a tween while the broom wand gives her a French maid outfit (along with turning Fred into a poodle.) The wand also influences her magic, as she could only use the broom wand to clean (at least until there was nothing left to clean), which the twins exploited.
  • Pirate: In "The High She-as" (fake beard included).
  • Squick: In-Universe, her obsession with Yin. Though it becomes saddening when one understands she actually believes she is helping Yin and trying to prevent her going through the same abuse she went through as a young girl despite Yin actually choosing to study magic instead of being forced.
  • The Unfavorite: Her father preferred her brother, brainwashed her to study magic against her will and gave her a hatred of men so deep she became homicidal.
  • You Gotta Have Blue Hair: Has purple hair.

Voiced by: Jamie Watson

Once Yang's favorite toy, Zarnot is an evil action figure brought to life by the Lie Fairy, hell bent on destroying Yang.

  • Brought to You by the Letter "S": He has a stylized "Z" around his chest area.
  • Card-Carrying Villain: He wants to be one.
  • Crazy Jealous Guy: A platonic version. It has been revealed in "Dummy Up" that Zarnot still desires Yang's affection and attention, and seems to grow insane jealousies towards any other toy that Yang might be playing with (such as Yochop). Whenver Yang ignores him, he seems to want Yang's attention more, and is willing to go far lengths to attain it.
  • Dark Is Evil: His main color scheme are dark blue and black.
  • Evil Is Hammy: He uses the same villain cliches.
  • Humongous Mecha: Subverted for most of the time, but sometimes displays the ability to grow huge
  • Living Toys: The evil type. He's like a Decepticon knock-off with the personality of Talking Tina.

Voiced by: Jonathan Wilson

A street, Swedish, fish inside a robot suit. His being a "Swedish fish" appears to be a reference to Swedish Fish candy. He is obsessed with "bling-bling", and will get it at all costs; however, he truly carries a Swedish accent.

  • Disco Dan: Loves to disco dance.
  • Funny Foreigner: A Swedish fish who loves disco.
  • Gold Makes Everything Shiny: Pondscum even wears a gold made suit. He is obsessed with "bling-bling", and will get it at all costs. Even his sidekicks are equipped with gold armor when a battle gets serious.
  • Insistent Terminology: Insists that people pronounce the U with the umlaut in his name properly.
  • Light Is Not Good: He wears shiny gold, but is a definite antagonist.
  • Negative Continuity: He was revealed to be a frog in "Deja Foo", but in "Welcome to the Dark Tomorrow" was a fish again.
  • Sidekick: The Blixens.

    Chung Pow Kitties

Are little, furry and adorable kittens (at first glance), but they are really evil and heartless ninjas. They usually wear dresses red, blue and green.

  • Badass Adorable: As evil as they are, you can't deny their adorable nature or skill in martial arts.

Voiced by: Tony Daniels

A gargoyle who is about a "bazillion" years old, Kraggler used to be a great and powerful warrior and Master Yo's arch enemy. Reduced to a feeble old man, after he broke the time traveling hour glass he got the power to drain the youth from anything, or give his age to anything.

Voiced by: Peter Cugno

An evil mittens-wearing wizard who was a big threat years ago; now he's just a brain looking for a body to regain his reign of evil.

  • Diabolical Mastermind: Mastermind is power hungry, and wishes to gain full domination of the planet as he did in the past.
  • The Ditz: "I was the ruler of an empire that covered over twelve continents in a world that only had seven!"
  • Evil Brit: He has a British accent and is a Diabolical Mastermind.
  • Green and Mean: He emits green flames and is one of show's antagonists.
  • Hair-Trigger Temper: He also has a short temper, which results that his head is engulfed in green flames which are usually extinguished by emergency water sprinklers.
  • Was Once a Man: He was once a human wizard.

    The Manotaur
Voiced by: Seth MacFarlane

A half-man with hairy hooves, but all man (that is if one would count collecting comic books and action figures manly). He is a large man with a bald head who dresses like a city man.

  • Ambiguously Bi or Camp Straight: He's trying to win over Womanotaur and he has an interesting fashion sense.
  • Bald of Evil: He's bald and his plan was to kidnap all the Twonicorns and to shave off all their hair to make a large wig to cover up his really smooth, bald head to get a date with the Womanotaur.
  • Evil Lawyer Joke: Becomes on in "Game Over".
  • Four-Fingered Hands: Unlike the rest of the cast, he subverts it. Most of the cast treat it as a horrifying thing that he has five fingers.
  • Half-Human Hybrid: Half man, half minotaur.
  • Large Ham
  • Real Men Wear Pink: He's not ashamed of wearing a pink shirt or sweater.


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