A cast of recurring antagonists whom W.I.T.C.H. must defeat.
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The Main Antagonists
Phobos
Voiced by: Mitchell Whitfield
The evil prince of Meridian and older brother of Elyon. The first season revolves around fighting his tyrannical rule.
- Big Bad: Of Season 1 and he's a secondary Big Bad in season 2 of the cartoon, and has the same role in the first and fourth story arc.
- Bitch in Sheep's Clothing: In the cartoon, he poses as a benevolent ruler and loving brother to Elyon so he can manipulate her into giving him her powers.
- The Dreaded: For season 1. Notably when Will meets Phobos in the Labyrinth she's terrified (given that the last time she met Phobos he was wrapping her up in vines and grilling her, that's understandable).
- Enemy Mine: Joins forces with the good guys against Nerissa late in the cartoon's second season out of self-preservation.
- Evil Is Petty: While posing as a student at Sheffield Institute for his Enemy Mine with W.I.T.C.H., Phobos does things like handing Taranee the wrong beakers in chem lab so that the mixture will blow up in her face.
- Lust: The lust for power variant. He deliberately refrains from absorbing Nerissa's powers when he has the chance because he wants her to acquire others for him to steal later.
- Long-Haired Pretty Boy: He has long white hair and from his shirtless scenes in the first season he seems to have a slender swimmer's build, that puts him squarely into the territory.
- Master of Disguise: Season 2 shows he can create convincing glamour.
- Names to Run Away from Really Fast: Who names their kid "fear", anyway?
- Sealed Evil in a Can: He is locked in a cage for most of season 2.
- Spared by the Adaptation: In the cartoon he does not get his soul destroyed.
- Token Evil Teammate: Briefly in Season 2, he joins the heroes to take down Nerissa. Despite not doing anything outright malevolent while cooperating with them, he uses the opportunity to prank them and take jabs at their personal flaws.
- Troll: At one point while Phobos is participating in an Enemy Mine with the heroes in Season 2, he and Matt are glamoured as each other as part of a secret plan to mislead Nerissa. Phobos takes the opportunity to mess with Will (who's unaware of the switch) by kissing her swimming competitor Mandy on the hand, whom Will is already jealous of for being Matt's old friend from summer camp.
Cedric
Voiced by: Dee Bradley Baker
Phobos's second in command. He has the ability to transform into a giant snake.
- Adaptational Villainy: In the comics, Cedric genuinely had a soft spot for Elyon when he was manipulating her to Phobos's side, and eventually had a romance with substitute Guardian Orube that ended in Redemption Equals Death. In the series, he appears to be purely villainous and even usurps Phobos's status as Big Bad in the second season finale. Granted, the TV show was cancelled after the second season, so it's unknown if a Heel–Face Turn would've been in the cards.
- Arch-Enemy: From the first episode, Cedric is particularly vexed by Caleb.
- Battle Couple: "Y Is For Yield" reveals he's one with Miranda.
- The Dragon: Phobos's right-hand man and the main enforcer of his will.
- Exact Words: In Season 2, Phobos offers him a "fraction" of his power. Cedric takes all of it, as "four fourths" counts as a fraction.
- How Do I Shot Web?: When he absorbed the combined powers of Phobos, Elyon and C.H.Y.K.N., he didn't know how to control them all at first.
- Pick on Someone Your Own Size: He is particularly aggravated by Caleb. Lampshaded in the first episode.Cedric: How can someone so small be so troublesome?
- Scaled Up: Can shift between a human form and that of a humanoid snake creature.
- Snake People: His true form is a humanoid snake.
- Snaketalk: Mildly in human form; much more pronounced in his Scaled Up form.
- Spanner in the Works: For all the planning and plotting in season 2, nobody saw him getting sick of Phobos's crap and eating him.
- The Starscream: In the show. For all his humiliation brought to him by Phobos and his own desire for power, he turned against his former master and consumed his power.
- Unholy Matrimony: He and Miranda are revealed in the second season finale to be a couple.
Nerissa
Voiced by: Kath Soucie
The previous Quintessence Guardian and Keeper of the Heart, who becomes the Big Bad in the second season. A former teammate of Yan Lin, Kadma, Halinor and Cassidy, she was corrupted by her lust for power and imprisoned on Mount Thanos long before the series started.
- Adaptational Early Appearance: The second season reveals that Nerissa has been posing as the Mage and Trill, two allies of the Guardians and the rebellion in season one. The first season is a distillation of the comic's first two story arcs, neither of which featured Nerissa. This is more a technical example since Nerissa doesn't appear as herself until the second season.
- Adaptational Heroism: In the cartoon. She does appear remorseful over killing her best friend, Cassidy, where in the comics she doesn't. It is also very evident that she loves her son, Caleb and her lover/Caleb's father, Jullian. But father and son know that Nerissa can't be redeemed. Plus her relations with them don't stop Nerissa from attacking them.
- Ambiguously Bi: Despite her relationship with Julian, Nerissa's reaction whenever Cassidy is brought up heavily implies that there was something between the two.note Yan Lin: "Does [Cassidy's] memory really mean so little to you?"Nerissa: "You have no idea what she meant to me!"
- Anguished Declaration of Love: Nerissa admits to Yan Lin and Halinor that she loved Cassidy and regrets what happened.
- Anti-Villain: Subverted; much like Demona (another Greg Weisman villain), she likes to think she's a Type III, but the other characters aren't buying it.
- Bed Trick: While disguised as the Mage, she slept with Caleb's father. This makes her one of very few, if any, animated Disney villains to be a straight up rapist.
- Big Bad: She causes most of the problems in Season 2, as her lust for power leads her to steal the Hearts of multiple worlds and corrupt the former Guardians. Her string of victories ultimately convinces the heroes to recruit previous villains into their forces, two of which end up hijacking the role of main antagonist.
- Big "NO!":
- She gives one of these near the end of "S is for Self" when Yan Lin successfully escapes her with the Guardians.
- She gives another at the end of "W is for Witch" when she's absorbed into her own seal by Phobos.
- Cast from Hit Points: The reason for Nerissa's haggard appearance is her constant use of her quintessence powers while cut off from her Auramere. Yan Lin and Halinor aged much more gracefully since they didn't use their powers as much after they stepped down from being Guardians and Kadma used the power of the Heart of Zambala to fuel her own earth powers.
- The Chessmaster: Initially the best in the animated adaptation, only losing her spot in the last episodes to Will. Nerissa has been working behind the scenes for most of the first season to ensure Phobos' downfall and her own rise to power. Throughout the second season, she is one step ahead of the heroes at all times, to the point they conclude they have no choice but to turn to Phobos for assistance.
- Chronic Backstabbing Disorder: She plays multiple people like a fiddle and discards them once she's gotten all she wants out of them. Her former Guardian friends and Elyon use her tendency to choose power over harmony against her to trick her into trapping herself in an illusion.
- Contrasting Sequel Antagonist: To Phobos in several ways.
- Phobos was a Sorcerous Overlord while Nerissa is a Wicked Witch who is trying to achieve pan-universal conquest.
- Phobos is a young, handsome man while Nerissa's true form is that of a haggard, deathly pale woman due to use of her powers draining her.
- The biggest difference is their approach to dealing with their enemies. While Phobos mostly relied on his army, monsters of the week and strategic applications of brute force, Nerissa is much more subtle and covert in her plans, using disguises and preying on people's vulnerabilities and flaws to manipulate and brainwash them. The difference in lampshaded by them both in "X is for Xanadu" when the imprisoned Nerissa witnesses Phobos using all the powers she amassed throughout the season.Phobos: This is what Nerissa lacked: vision. She was always plotting, scheming to gain more power, but she never had the courage to use it.
[...]
Nerissa: I lacked vision?! He's the fool with no vision! Destroying everything in his path with no goal, no plan! I would have united worlds! That is vision.
- Control Freak: Most of her minions are either possessed or brainwashed. Irma Lampshades it, saying that "There's nothing worse than a sorceress who's also a control freak."
- Dude Magnet: Invoked. In "T is for Trauma", Nerissa brainwashes all the males closest to WITCH (sans Caleb, who's her son, and Matt, who's immune because of his time as Shagon), to further her own goals.
- Enemy Mine: In "Z is for Zenith", she spends most of the episode helping the Guardians to defeat Cedric. However, her true colours show again once he's defeated.
- Even Evil Has Loved Ones: Nerissa truly loves her son, Caleb, and his father. It is not, however, a case of Love Redeems. She also says she loved Cassidy and regrets killing her.
- Even Evil Has Standards:
- Halinor and Yan Lin manage to talk her down when they ask if she'll murder them like she murdered Cassidy. She looks truly regretful when she says she loved Cassidy and flees. One of the first things she tries to do as soon as she can is to resurrect Cassidy, who would rather stay dead.
- She won't murder her family, even when Caleb outright defies her, although she's not above non-lethal attacks to get them out of the way.
- Mentioned by Will; when Cornelia mutters that Nerissa in her youthful form better not enspell Caleb to love her as she did with the other high school guys, Will reminds her that Caleb is Nerissa's son and that would be incest. Caleb remains unaffected.
- While imprisoned in her own seal by Phobos, Nerissa complains about the Meridian tyrant's vanity and penchant for mindless destruction compared to her vision of uniting entire planets.
- In "Y is for Yield", she is convinced to work with the other former Guardians and Elyon to ensure Caleb's safety, saying "Caleb is my son. I will not allow Phobos to harm him.
- Evil Cannot Comprehend Good: Nerissa, despite saying she can manipulate anyone, doesn't understand why someone would refuse to take power when it's offered to them. While she has contingencies on her magic items, she was genuinely shocked when Caleb tried to take them, not for himself, but so she wouldn't use them. Then she's further shocked when Caleb bluntly states that he won't be a tyrant with her on Meridian because he spent his life fighting against that.
- Evil Matriarch: She is the Big Bad of season 2 and is also revealed to be Caleb's mother.
- Family Eye Resemblance: Her green eyes are significant because she shares them with her son, Caleb.
- Fatal Flaw: Nerissa's is her desire to recreate the Guardians of her time and regain a Heart of power (as many as possible, in fact). She was imprisoned for murdering Cassidy, who was given the Heart of Kandrakar when Nerissa proved irresponsible, and as soon as she's free she manipulates circumstances to gain enough power to brainwash her friends and bring Cassidy back from the dead. Yan Lin outright calls her out for this, and Cassidy keeps snarking that she doesn't want to be resurrected. This also means it was technically her fault that Phobos went unchallenged for so long.
- Greater-Scope Villain: She doesn't take actions against the Guardians in the first season and appears only in her identities of Trill and the Mage, helping to defeat Phobos and pave her own way for power.
- Hero Killer: Her Start of Darkness involved killing her fellow Guardian Cassidy (albeit in a moment of rage which she immediately regretted). She's also implied, though not confirmed, to have murdered the real Mage in order to steal her identity.
- Hero's Evil Predecessor: Nerissa is Will's predecessor as the Guardian who represents the Quintessence element, leader of the Guardians, and keeper of the Heart of Kandrakar.
- Hoist by Her Own Petard: When Phobos seizes the Seal of Nerissa from her at the climax of Season 2, he absorbs her into it, like Nerissa had done to Elyon, Yan Lin and the other former Guardians.
- Kick the Dog: She performs needlessly cruel acts and taunts the Guardians for it, such as kidnapping their allies, seemingly turning Yan Lin against Hay Lin, and corrupting Matt and Mr. Huggles into Shagon and Khor to attack Will and the other Guardians.
- Kill and Replace: Possibly. She says the Mage (whom she's been impersonating by glamour for many years) was kind to her after she escaped Mount Thanos, and the Mage is dead.
- Laser-Guided Karma: Nerissa trapped Elyon in a necklace after feeding her false memories of her parents. In the final episode, Nerissa is trapped in her own Seal and trapped in a dream of her conquering the universe.
- Lotus-Eater Machine: How Elyon deals with her in the Season 2 finale. When she tries to betray Elyon, Yan Lin and the rest of her fellow prisoners in the Seal of Nerissa after Phobos's defeat, she thinks that she escapes to the outside world without them but in reality they are released while she is still in the Seal, stuck in a vision where she successfully conquers the universe, Caleb and Julian by her side, with adoring crowds and everything. It's unlikely she'll ever realize the truth.
- Luke, I Am Your Father: She's Caleb's mother.
- Lust:
- The lust for power version. Her ambition is to absorb multiple worlds' Hearts so she can rule over all of them simultaneously.
- "T is for Trauma" has her inspiring the more common version of this trope by using her youthful form to seduce and control men.
- Mama Bear: In the final episode, Nerissa agrees to help Elyon and the other former Guardians because Caleb is her son and she will not allow Phobos to harm him.
- Personality Powers: Played for Drama, as she's a Fallen Hero and, being Will's predecessor, she's implied to have had a similar personality to hers once. And the potential for Will to fall too actually gets shown in the cartoon when she has a stint as The Chessmaster and effortlessly manipulates Phobos.
- Riddle for the Ages:
- Exactly how Nerissa broke out of her prison on Mount Thanos is never revealed. The closest to an explanation is the theory that a random portal appeared in her cell one day, but this theory is given by Nerissa herself while disguised as the Mage.
- The exact nature of Nerissa's relationship to the Mage (if they had one at all) is never revealed. There is also the question of whether or not Nerissa killed the Mage.
- Smug Smiler: Nerissa is almost always seen smiling, albeit her arrogant expression only serves to denote her cruel, manipulative nature. She only gives a genuine, happy smile during the series finale, as she is trapped in a Lotus-Eater Machine.
- Terms of Endangerment: Likes to refer to Matt as "dear heart". Which is especially creepy given their relative ages.
- Tragic Villain: She is essentially Will if Will had gone completely insane with power and self-righteous convictions.
- Vain Sorceress: Played with. One of the first things she does when she has enough energy to spare is make herself young and beautiful again, and cast a love spell over the boys of the high school. She prioritizes power over beauty, however, so for a long time she looked even older and more haggard than she naturally would have, since drew from her own life force to use her powers, and had no problem doing this in the short-term in order to achieve her long-term goals.
- Vocal Dissonance: A wrinkly crone with an alarmingly sultry voice.
- Well-Intentioned Extremist: What she claims to be, feeling that the universe will be a more peaceful, orderly place if she conquers every world and brings them all under her rule. Of course, her arrogance shows in thinking she's the best person for such a position, and it's hinted to be more an excuse to justify her power lust.
- You Monster!: Said by Elyon to Nerissa after she reveals her ruse of giving her false visions of her biological parents casting them as unloving people with baby Elyon as The Unfavorite so that Elyon will reject their memory and return the "family heirloom" gem that Nerissa (disguised as Trill) gave her, which has been absorbing her powers, creating the Seal of Nerissa. Unfortunately, Elyon is trapped within it seconds later as she tries to rush Nerissa.
The Knights of Vengeance
Miranda
Voiced by: Grey DeLisle
A creepy girl Phobos introduces as a companion for Elyon, who is really a Beast - the same sort of magical creature as Cedric. Like him, she's one of Phobos's top minions.
- Bastard Understudy: She serves Phobos and Nerissa without hassle, but isn't loyal to either of them, betraying them only when the odds look convenient (like with Phobos losing the Final Battle of Season 1, or when she alone is released by Nerissa in "A is for Anonymous" while Phobos is left to rot).
- Battle Couple: "Y Is For Yield" reveals she's one with Cedric.
- Bitch in Sheep's Clothing: She pretends to be Elyon's friend under Phobos's orders in the first season, and also plays the part of a concerned bystander to the police when trying to frame Will.
- Bizarre Taste in Food: It was stated by Cedric that Miranda loves passling meat (i.e. Blunk and Jeek's species, who usually like to be dirty), and in the final episode she tries and fails to eat Blunk in her spider form.
- Canon Foreigner: She's exclusive to the TV series.
- Consummate Liar: A VERY convincing one; Will and Elyon were both fooled when they met her the first time.
- Conveniently Unverifiable Cover Story: The story she gives to Elyon of being taken in by Phobos after her parents' death.
- Creepy Blue Eyes: She has four fully blue eyes in her spider form.
- Creepy Child: The face of this sweet little girl hides a spider monster ready to strike. Whether she is actually a child is debatable.
- The Dragon: To Cedric after he takes over as the Big Bad.
- Enigmatic Minion: Until the very end, out of all the minions of Phobos, she's the hardest to get insight into.
- Evil Sounds Raspy: Her voice turns raspy when she's in her beast form.
- Face of an Angel, Mind of a Demon: This cute little girl is manipulative and nasty, and that goes without considering her alternate form.
- Faux Affably Evil: She adopts a calm and reserved facade over her deviousness.
- Foil: To Cornelia, as both of them are magical girls who befriend Elyon, but while Cornelia is genuinely Elyon's friend and cares for her, Miranda only pretends to be her friend to further Phobos's plans of stealing her powers, and when he drops his act to Elyon, Miranda has no problem betraying her and scaring her with her powers after Elyon asks for her help, while Cornelia rescues and forgives her. Also Cornelia has long blonde hair while Miranda has short black hair.
- Forced Transformation: When the Knights release Phobos from the Infinite City, he turns Miranda into a tiny common spider for leaving him behind when Nerissa freed her. She spends a good deal of the season in this form and in the same cell as the also transformed Cedric until Phobos releases and turns them back to their real forms in "W is for Witch".
- Giant Spider: Her beast form is an arachnid creature that can spit sticky webs.
- Hypocrite: In C is for Changes, she lies to the police that the W.I.T.C.H. girls hated Elyon and only pretended to be her friends and had something to do with her disappearance, when she was the one who pretended to be Elyon's friend to help Phobos to steal her powers.
- Irony: She's ultimately taken down by Sandpit (the very being she worked with on Earth in episode 3).
- Little Miss Snarker:Phobos: Miranda, I demand you release me at once!Miranda: Oh master, I would try, but I might embarrass myself.
- Moral Myopia: Has a grudge against Elyon for locking her up when SHE was the one who took advantage of Elyon's trust and mocked her once the jig was up.
- One-Winged Angel: Her spider form to a degree. Miranda's human form is her actual form and she needs to consciously maintain her spider form (any time she is knocked out, she reverts). Cedric on the other hand, defaults to his beast form and does not revert when rendered unconscious. Therefore, while the two have similar abilities, they are clearly not the same type of shapeshifter.
- Pragmatic Villainy: In "F is for Facades", she advocates a quick execution for Caleb and his friends against Frost's suggestion of something slow and painful.
- Projectile Webbing: She can shoot webbing out of her mouth.
- The Sociopath: When criticizing Frost's plan to deal with the Guardians as crude, she says, "Clipping their wings may be less effective then breaking their spirits."
- Smug Snake: Is shown to be rather full of herself.
- Sue Donym: While impersonating as a school girl from Earth, she uses the alias Melinda.
- Unholy Matrimony: She and Cedric are revealed in the second season finale to be a couple.
- Vague Age: It's hard to define if her human form matches her actual age, not least because she has the ability to appear as both a teen and a younger child.
Raythor
Voiced by: Steve Blum
One of Phobos's commanders, who is later manipulated by Nerissa into forming the Knights of Vengeance. He's an honorable man, despite his allegiance.
- Anti-Villain: Big-time Type I, who has devoted his life to a code of honor.
- Badass Cape: He uses it to blind and defeat Frost during their duel for the leadership of the Knights.
- Badass Normal: He's an ordinary Meridianite soldier and one of the most higher-ranking officers of Prince Phobos. In addition, the Knights of Vengeance he leads throughout their existence compose of, in addition to him, a spider shapeshifter, a rock giant, a pile of moving sand, a skeletal hunter and a rhino-riding brute.
- Canon Foreigner: He's exclusive to the TV Series.
- Chekhov's Gunman: In his only appearance in the first season, he's just a disposable officer in Phobos's army. He returns in the second season as the leader of the Knights of Vengeance.
- Cool Helmet: Distinguished from those of the regular Guard by three spikes.
- Defector from Decadence: He switches sides only after being proven how dishonorable Prince Phobos is.
- Determinator: After being thrown into the Abyss of Shadows, he spends the following months by climbing its wall in order to get out. Once he does that at the expense of starving, Nerissa comments on his determination.
- The Dragon: To Nerissa during the first half of the second season.
- Dragon with an Agenda: He cares a lot more about avenging Phobos and/or restoring his throne than he does about helping Nerissa.
- Have You Come to Gloat?: Makes this question to Hay Lin when she comes to his cell to convince him to switch sides.
- Heel–Face Turn: After it becomes obvious that Phobos has no honor whatsoever.
- Irony: Raythor's framed as a spy against Phobos in the first season. In the last part of the second season, he actually becomes the Guardians' spy against Phobos.
- Noble Demon: While he targets enemies of Phobos in the name of revenge, he doesn't come off as overly malicious and serves Phobos mainly because of his oath of servitude. Witnessing his master's lack of respect for his own oaths convinces him to side with the heroes.
- Weak, but Skilled: He easily defeats the burlier Frost in "B is for Betrayal" by simply dodging and allowing the brute to tire himself.
- "X" Marks the Hero: He has this kind of scar on his left cheek, but this is a Double Subversion because he's a Noble Demon. It's played straight after his redemption.
Frost the Hunter
Voiced by: Dee Bradley Baker
An ogre-like hunter who works for Phobos. He was undefeated in battle until defeated by W.I.T.C.H. and joins the Knights of Vengeance in the second season. He rides a giant rhinoceros creature named Crimson. He forms a rivalry with Raythor, but this vanishes several episodes on and they become respected allies. At the end of the series, he is the only minion of Phobos who remains loyal, the others either dead or turned traitor.
- The Brute: Shared with Gargoyle and Sandpit.
- Brutish Character, Brutish Weapon: He primarily fights with a hatchet and has used a club as well, fitting his role as The Brute.
- Dumb Muscle: In the cartoon he's noted to be stupider than Sandpit. Yes, he's stupider than a bunch of living quicksand.
- Have You Come to Gloat?: Makes this question to the Mage when she reveals herself as Nerissa, who has indeed come to gloat.
- Rhino Rampage: His mount Crimson.
- The Rival: With Raythor for several episodes.
- Stalker without a Crush: In "A is for Anonymous", he follows the Guardians to Earth, disguises himself with a concealment spell as a regular guy and stalks Taranee around until she confronts him in a seclusive place and he drops his disguise.
- The Voiceless: Did not speak in his first appearance, but gained a voice in Season 2.
The Tracker
Voiced by: Jeff Bennett
A demonic-looking man, the Tracker is Exactly What It Says on the Tin. A feared tracker and hunter hired by Phobos, the Tracker becomes a recurring villain and joins the Knights of Vengeance, although while the other members were loyal to Phobos, the Tracker joined to get revenge on the rebels he once chased. He is aided by a scary dog named Sniffer, who can track down any scent. The Tracker fights with a glowing chained flail and bat-like creatures.
- Achilles' Heel: His torso has a hole that stores his bats. When he unleashes his bats, the hole is exposed, and attacking it directly pains him greatly.
- Barrage of Bats: He has in his chest a hole which he can open to unleash a swarm of bats during combat.
- The Beastmaster: He's aided by his hound Sniffer and a swarm of demonic bats.
- Canon Foreigner: He's exclusive to the TV Series.
- Epic Flail: His weapon is a flail that glows with green energy.
- Hell Hound: Sniffer looks close enough to this.
- Implacable Man: He can be slowed down, but once Sniffer has his targets' scent, he will stop at nothing to capture them.
- No Body Left Behind: In the final episode, Drake enters the Tracker's body to control the villain from within. When Drake leaves, the body dissolves and leaves behind only his clothes.
- Obviously Evil: The Tracker stands out as one of the most intimidating villains in the series, given his demonic appearance that somewhat clashes with the other antagonists' High Fantasy-inspired designs. This is directly lampshaded by Raythor, who claims that the Tracker is unlike Phobos's other followers in that he is "pure evil".
- Red and Black and Evil All Over: His attire includes red and black specifically to emphasize his evil nature.
- Scarily Competent Tracker: Once he sets out to find you, it's only a matter time before he does.
- The Voiceless: The second episode he appears in is the only one he speaks anything at all, and even then it was only four lines. Other than the time he steals Irma's voice in the girls' nightmares.
- Unexplained Recovery: In "Z is for Zenith", the Tracker apparently meets his demise after Drake hijacks his body and causes it to dissolve away. Regardless, the villain is inexplicably shown alive and well with the other prisoners during the epilogue.
- Weapon Twirling: The Tracker is repeatedly shown spinning his flail to build momentum, letting him deal devastating blows to his enemies.
Sandpit
Voiced by: Kath Soucie
Originally a pool of rebel-consuming sand in Torus Filney, he was frozen over by the Guardians. In the second season, Nerissa revives him into a humanoid form to join her Knights of Vengeance. He later has a Heel–Face Turn.
- And I Must Scream: In the first season, Taranee uses her powers to transform Sandpit into a harmless glass lake. The second season reveals he was conscious and incapable of doing anything the entire time.
- Big Damn Heroes: In the final episode, Miranda knocks out Caleb, Blunk and Luba and prepares to destroy the Aurameres, which would leave the Guardians powerless. Sandpit comes to the rescue and defeats the villain with two powerful punches, saving Kandrakar, the Aurameres, and the entire universe by extension.
- Blob Monster: He's basically a pile of sand that usually takes a humanoid form.
- Canon Foreigner: He's exclusive to the TV Series.
- Heel–Face Turn: Sides with Elyon after learning Phobos is truly dishonorable.
- Hidden Depths: According to Raythor, he's smarter than Frost in spite of being a living sand-pile, implying this or that Frost is really stupid.
- Kill It with Fire: As a living pile of sand, normal attacks pass right through him, making him impervious to almost everything the heroes throw at him. The one exception is Taranee's heat-based abilities, which vitrify him. "J is for Jewel" shows Sandpit is terrified of her as a result, and seeing her produce a small fireball is enough to send him fleeing away in terror.
- Sand Blaster: He is essentially a moving pile of sand that can attack and sneak around.
- Sentient Sands: A pile of sand intelligent enough to pose a threat and switch sides.
- Shifting Sand Land: In his first appearance, he was just a living pit of sand that sucked anyone who stepped on him. After Nerissa frees him, he becomes a living, mobile pile of sand.
- Taken for Granite: Irma and Taranee combine their powers to turn Sandpit into a glass lake at the end of his debut episode, a form in which he remains until the first episode of the second season.
- Took a Level in Badass: He didn't originally seem to be able to cause trouble beyond the pit he resided in. After Nerissa revives him by using Quintessence, he's able to move around and demonstrates more versatile usage of his sand powers, making him a more effective opponent.
- Tornado Move: When he transforms into a giant sand tornado, he can blind opponents and transport allies over long distances.
Gargoyle
Voiced by: Dee Bradley Baker
A giant earth-based monster who guarded the moat of Phobos's castle, but was defeated by the Guardians. He joins the Knights of Vengeance, but later has a Heel–Face Turn.
- An Arm and a Leg: The Guardians chop off Gargoyle's left arm during their first battle with him.
- Artificial Limbs: Nerissa gives Gargoyle a new arm made from melted metal, giving him a large club-like weapon in place.
- The Brute: Gargoyle is the largest member of the Knights of Vengeance and generally acts as the group's main muscle. This is lampshaded in "Y is for Yield", in which Raythor calls him one of the two "brutes" amongst Phobos's forces (the other being Frost).
- Call a Pegasus a "Hippogriff": While he is called Gargoyle, he is far closer to a Cyclops in appearance.
- Canon Foreigner: He's exclusive to the TV series.
- Cyclops: His appearance is based on this creature, being a giant monster with a single eye.
- Heel–Face Turn: Sides with Elyon after learning Phobos is truly unhonourable.
- Mighty Glacier: He's one of the biggest, strongest and slowest characters of the series.
- The Speechless: While sentient, he can only let out growls and roars in addition to communicating through signs.
The Knights of Destruction
Shagon, Angel of Malice
One of Nerissa's Knights of Destruction who's a transformed version of Matt Olsen. He is powered through the hatred of others. See Matt's folder for more information.
Khor, the Destroyer
One of Nerissa's Knights of Destruction who's a transformed version of Mr. Huggles, Matt's pet dormouse. He is powered through the anger of others. See Mr. Huggles' folder for more information.
Tridart, the Despair
Voiced by: Jim Cummings
One of Nerissa's Knights of Destruction. He can control ice and is powered through the fear and desperation of others.
- Alas, Poor Villain: The casual way in which he and Ember are absorbed by Nerissa is given sad undertones, as he cries out Ember's name as she gets killed and begs Nerissa not to do the same to him.
- Emotion Eater: He gets his power from the fear and despair of his enemies. Hay Lin was a primary target of his due to the desperation she felt over Eric not noticing her and the fear of her grandmother being in danger from Nerissa.
- Evil Sounds Deep: As expected of a bad guy voiced by Jim Cummings.
- He Is Not My Boyfriend: Said by Ember about Tridart when the Guardians assume they're a couple.
- An Ice Person: Tridart has ice powers.
Ember, the Pain
Voiced by: Cree Summer
One of Nerissa's Knights of Destruction. She can control fire and is powered through the pain of others, physical or emotional.
- Adaptational Dye-Job: In the comics, Ember's skin, hair and outfit are gray with red outlines. In the cartoon, her hair is red and yellow, her skin is orange, and her wings, outfit and weapon are red.
- Alas, Poor Villain: The casual way in which she and Tridart are absorbed by Nerissa is rather sad, especially given how unshakably loyal they were to her.
- Ax-Crazy: "P is for Protectors" in particular shows her enjoying the destruction she inflicts on Zamballa way too much.
- Emotion Eater: She gets her power from hurt and anguish. Irma was her first target due to feeling awful about the harsh things she said to Martin on live radio.
- He Is Not My Boyfriend: Said by Ember about Tridart when the Guardians assume they're a couple.
C.H.Y.K.N.
The previous Guardians of the Veil: Cassidy, Halinor, Yan Lin, Kadma and Nerissa.
Forty years prior to the beginning of the series, Nerissa was corrupted by her power and the Oracle gave the Heart of Kandrakar to Cassidy instead. Nerissa accidentally killed Cassidy while trying to get it back, for which she was imprisoned on Mount Thanos. Some time after this, the other Guardians retired. Yan Lin now acts as Mentor Archetype to her granddaughter Hay Lin and the rest of the present-day Guardians, while Halinor is part of the Council of Kandrakar and Kadma was made Queen of Zamballa by its inhabitants after saving them during her Guardian days. When Nerissa restores herself to her full power and youth, she mind controls and rejuvenates her old teammates to form a revived C.H.Y.K.N. (Note that they didn't actually go by "C.H.Y.K.N." the first time they were active; Hay Lin nicknamed them that.)
- Artistic Age: They're supposed to be around Yan Lin's age, but the cartoon either makes her significantly older than the rest or doesn't let time get in the way of the plot. Notably, Cassidy's mother is still alive in the present day.
- Brainwashed and Crazy: Nerissa corrupts her former friends into joining her, with the exception of Yan Lin, who is captured and replaced by a living Altermere that joins Nerissa under the threat of being destroyed.
- Elemental Powers: Like their successors, each has control of one of the five elements: Quintessence (Nerissa), Earth (Kadma), Air (Yan Lin), Water (Cassidy) and Fire (Halinor).
- Evil Counterpart: While brainwashed by Nerissa, they are used to fight their successors, W.I.T.C.H..
- Fatal Flaw: Each of them has a flaw which Nerissa exploits to take control of their minds.
- Compassion: Cassidy did let go of the material world, but feels compassion for her grieving mother and wants to live and reunite with her.Nerissa: "Compassion is a powerful thing, especially when it fuels desire. The desire for something you cannot, should not have is the chink in the armor of your soul and all I need to make you mine."
- Fear: Halinor is afraid when Kandrakar is attacked by the Knights of Destruction and doesn't believe that the Guardians can defeat them, so she tries to steal the Aurameres in the middle of the battle and absorb them herself to save everyone.Nerissa: "Fear is a powerful thing, especially when it fuels betrayal. The need to do anything, no matter how treasonous, to smother a burning flame of your own fear, is the chink in the armor of your soul and all I need to make you mine."
- Pride: Kadma tries to absorb the Heart of Meridian into her Heart of Zamballa, believing she can handle all that power herself, but she forgot that Hearts cannot be taken by force, and Nerissa gets two Hearts as well as enthralling Kadma.Nerissa: "Impressive. Your pride, that is. An arrogance that convinced you that no power, no matter how awesome, was beyond your control is the chink in the armor of your soul, Kadma, and all I need to make you mine."
- Compassion: Cassidy did let go of the material world, but feels compassion for her grieving mother and wants to live and reunite with her.
- "I Know You're in There Somewhere" Fight: The current Guardians try this with them several times, and in "V is for Victory" while Nerissa is overexerting herself, Cassidy begins to break free when Hay Lin reminds them they're supposed to fight on the side of good, and with the help of Irma's mind influence powers they free the other ex-Guardians as well.
- Mind-Control Eyes: When under Nerissa's control, their eyes have small black pupils.
- No Good Deed Goes Unpunished: In "V is for Victory", Cassidy is able to break free from Nerissa's control with Irma's help and they soon free her friends as well. However Nerissa doesn't take it well and imprisons them in her Seal, thus gaining all their elemental power to herself.
- Not Quite Dead: Cassidy, whose spirit is raised by Nerissa for her plans; however, Cassidy has no regrets about being dead, and only wants to live again when she sees her elderly mother, whom she missed a lot.
- Race Lift: Kadma is Indian-coded in the comic, but black in the cartoon.
- Sickly Green Glow: Halinor's flames are green instead of orange-red and are more powerful than Taranee's flames.
- Spared by the Adaptation: Halinor was dead at the start of the comics. She's alive in the cartoon.
- Winged Humanoid: When transformed, all of them gain black and green wings.
