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Character page for the animated series Thunderbirds Are Go.

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     The Tracys 

The Tracy Family in general
International Rescue, how can we help?
A family who form International Rescue, a secret, non-profit rescue organisation dedicated to saving the lives of people worldwide from extreme danger, whether it be down in the sea, the depths below the Earth's surface or the vastness of outer space. They pilot powerful, all-rounded machines called Thunderbirds to help them in their life-saving missions.
  • Ace Pilot: All of them are aces at manning their own vehicles.
  • Badass Crew: An organisation that serves to protect and rescue the entire planet and there's only six of them!
  • Badass Family: They are a family who are all front-line members of International Rescue, a secret organisation dedicated to saving human life from industrial disasters.
  • Deadpan Snarker: They all have their moments, it appears to be a family trait.
  • Disappeared Dad: Jeff Tracy is mentioned to be missing since before the pilot.
  • Even the Loving Hero Has Hated Ones:
    • They're always willing to help people but they have a grudge against The Hood due to the fact that he caused their father to disappear.
    • They also dislike Langstrom Fischler due to the fact that his projects put them in near-fatal danger.
  • Fighter-Launching Sequence: Faithfully reproduced from the original series.
  • Heroic Build: Befitting their job of search and rescue the Tracy boys cut quite the figure, especially noticeable with John's skin tight space suit.
  • Hot-Blooded: Being a good deal younger than their original series counterparts, the new series brothers show shades of this. Particularly Scott and Alan.
  • Knight In Shining Armour: They make it a point to rescue any innocent victims, especially families, from certain and extreme danger, something they as a rescue organisation do a lot.
  • Theme Naming: All five Tracy brothers retain their original names based on the members of the Mercury Seven, a famous crew of dashing American astronauts.
  • Science Hero: They often deploy in advanced, high-tech machines to save people from any crisis they are in and are also equipped with some tech themselves if they need to exit their vehicles.
  • Strong Family Resemblance: Strongly inverted. The Tracy brothers look...literally nothing like each other. Scott with brown hair and blue eyes, Virgil with black hair and brown eyes, Alan with blonde hair and blue eyes, Gordon with blonde hair and brown eyes and John with red hair and green-blue eyes.

Scott Tracy
They say he's really fly.
Voiced by: Rasmus Hardiker
The eldest Tracy brother, First Responder, pilot of Thunderbird 1 and team leader of International Rescue.
  • The Ace: He's the calmest, most professional and has shown the most physical prowess so far. The others, especially Virgil, seem somewhat aware of this.
  • Beware the Nice Ones: Scott is a very relaxed guy off duty. On duty, he once walked in on a shady archeologist practicing a eulogy speech for the trapped Penelope, Parker and Gordon, and would have attacked him had Virgil not intervened.
  • Big Brother Instinct: See previous trope.
  • The Leader: The head of IR in Jeff's absence, calling the shots sometimes alongside John.
  • Promotion to Parent: Potentially, along with John, particularly in regards to Alan. In Runaway, they continually insists Alan stay at home and catch up on his studies.

Virgil Tracy
The heavy lifter.
Voiced by: David Menkin
The second eldest Tracy brother, Demolition, Heavy Lifting and Logistics Expert and pilot of Thunderbird 2.
  • Big Damn Heroes: Has a habit of pulling these when Scott falls into trouble or needs assistance.
  • Compressed Vice: In Unplugged, we see that he feels useless and incapable without technology or his brothers to rely on.
  • Gadgeteer Genius: While not to the extent of Brains, he seems very skilled in engineering and mechanics. Deconstructed in Unplugged where he mentions how he was brought up in a world that relies a lot on technology.
  • Gentle Giant: Befitting the pilot of the behemoth Thunderbird 2, Virgil is the biggest and strongest of the Tracys but is also the peacemaker of his brothers. Between press ups with Gordon on his back he paints portraits and plays piano.
  • Snark-to-Snark Combat: He and Gordon usually engage in this during their screen time.
  • Troll: Teases Gordon over his crush on Lady Penelope after picking him up from a long-haul mission, then disables Thunderbird 2's water systems when the latter attempts to take a shower.

Alan Tracy
His head's always in the stars.
Voiced by: Rasmus Hardiker
The youngest Tracy brother and astronaut of Thunderbird 3.
  • Ace Pilot: He really gets to show his stuff in Space Race, where he easily outmaneuvers a space mine specifically designed to relentlessly chase down ships and latch on to them. Numerous times.
  • The Baby of the Bunch: Alan is the youngest and the smallest of his brothers, and as a result is sometimes babied by them. He does show high competency in his abilities as an astronaut, though has to be reminded that things aren't always a game and to keep his focus.
  • Be Careful What You Wish For: Most of the work he has to do in space revolves grunt work like cleaning up junk or re-aligning satellites, so sometimes he wishes for a bit of excitement—and then he gets it.
  • An Odd Place to Sleep: Even though Alan has his own room and his own bed, the littlest Tracy seems to like sleeping on the floor instead. Alan also has a unique ability to fall asleep anywhere, whether it be in space, upside down on the couch, or even standing up.
  • Child Prodigy: Despite the being the youngest and the only teenager of the brothers, he arguably has one of the most difficult roles among his brothers as an astronaut. He is a natural at traversing deep space, in Thunderbird 3 or just in a suit, and in different gravities, something that even John has trouble doing despite being up in Thunderbird 5 most of the time. Alan also notes that his brothers often remark he 'makes [rescues] look easy'. It says a lot that Alan is at the helm of the Zero-XL in Season 3.
  • Fun Personified: No matter what mission he's on, Alan always seems to see things as a game and doesn't seem to take things too seriously most of the time, much to his older brothers' chagrin.
  • Just a Kid: Due to being the youngest and the only member of International Rescue that's a teenager, he often comes under fire for being just this. He's usually able to prove most people who doubt him wrong. His brothers often reinforce the fact that Alan is quite clever for his age.
  • Keet: A hyperactive, loud, and adorable kid who is a geek about all things space.
  • Kid-Appeal Character: As with the original series, Alan is the youngest of the Tracy brothers, but he is even younger in this adaption, appealing to even younger kids because of this.
  • Kid Hero: Alan is the youngest Tracy and it's mentioned in multiple episodes that he's either behind on his studies or straight up avoiding them. Being the baby of the bunch doesn't stop him from being a world-class astronaut however.
  • Precocious Crush: Alan seems eager to impress and show off to Kayo at times, much to her patient amusement. On the other hand, Kayo seems to see Alan as nothing more as a little brother.
  • This Looks Like a Job for Aquaman: As International Rescue's spacecraft, Thunderbird 3 is used only occasionally — lampshaded in Space Race. Like Gordon, Alan sometimes accompanies Virgil on a number of rescue missions to make up for it. He gets a lot more missions in later seasons as they get more space missions.

Gordon Tracy
He gets along swimmingly with everyone.
Voiced by: David Menkin
The second youngest Tracy brother and aquanaut of Thunderbird 4.
  • Adaptation Dye-Job: Goes from being a redhead in the original series to a blond.
  • Crazy-Prepared: If Tunnels of Time is any indication.
  • Incredibly Lame Pun: Gordon appears to have a fondness for making puns during his screen time. Skyhook and Tunnels of Time have such examples.
  • My Significance Sense Is Tingling: Claims to have a sixth sense, although he calls it a "squid sense". Notably, in the episode where he claims this (Ring of Fire), he was willing to jeopardize both a mission and his life on a hunch which ended up helping crack the case—a marked contrast from his usually more cautious behavior.
  • Savvy Guy, Energetic Girl: Downplayed. His relationship with Lady Penelope has elements of this, with him being more cautious and her more adventurous.
  • Snark-to-Snark Combat: He and Virgil usually engage in this during their screen time.
  • This Looks Like a Job for Aquaman: As the underwater craft and smallest Thunderbird, Thunderbird 4 is used only occasionally. He accompanies Virgil on a number of rescue missions to make up for it.

John Tracy
He just needs some space.
The middle child of the Tracy brothers and Space Command Communicator and Dispatcher of Thunderbird 5.
  • Ascended Extra: In the original series, despite John Tracy essentially being part of the main cast, his appearances were so minor compared to the other brothers that he might as well have been an "extra" — that is definitely not the case here, as he's filling Jeff and Scott's previous roles as Mission Control.
  • Adaptation Dye-Job: Goes from being a blond in the original series to a redhead.
  • Hollywood Hacking: Part of his skillset as Mission Control. He uses it to hunt for information pertinent to rescues or to take control of computers.
  • Instant A.I.: Just Add Water!: Created groundwork code for the EOS AI by accident while fiddling with code to make a game.
  • Kill Me Now, or Forever Stay Your Hand: After spending an episode trying to convince an AI that he partially created that John genuinely means no harm, he removes his helmet and essentially offers this ultimatum. It works.
  • I Work Alone: A rather strange variation, considering the fact that he's Mission Control and all, and never actually said word-for-word, but more than one instance seems to imply that he prefers being alone (later with EOS) in space inside Thunderbird 5. He's rarely seen on Tracey Island (his civilian clothes aren't seen until well into the first Season), and when he is, he's always rather quick to go back into space, something Alan has once lampshaded.
    John: Communications is my job. I talk to people all over the world. I'd just rather do it from space.
  • Mission Control: John takes the position of responding to distress calls like the original series. He alerts International Rescue to where they're needed and takes an active role in directing other subterfuge based operatives, such as Parker and Penelope.
  • Mr. Exposition: He delivers mission briefing en route to mission destinations and vital information throughout the operations.
  • Promotion to Parent: Potentially, along with Scott, particularly in regards to Alan. In Runaway, they continually insists Alan stay at home and catch up on his studies. Also, somewhat towards EOS, John states that he feels responsible for EOS since he wrote some of her original base code.
  • Sarcasm-Blind: Sometimes. He has a tendency to either not recognize or ignore jokes.

Sally "Grandma" Tracy
Voiced by: Sandra Dickinson
Matriarch of the Tracy family.
  • Cool Old Lady: She's got a taste for adventure you don't find in most people, let alone ladies her age.
  • Good Old Ways: Even in the 2060s, she'd rather use a map, guidebook, and compass to find her way around than one of Brains's newfangled gadgets. This comes in handy during Unplugged.
  • Lethal Chef: Her cooking is not popular with her grandsons, nor the rest of the Tracy Island crew; a running gag of the series. Apparently she burns everything, on top of not being a good cook.
  • Older Is Better: She is a much more active character than in the original series:
    • In Unplugged she and Virgil stop an anti-technology terrorist group "The Luddites".
    • In EOS she takes over mission control when the titular A.I. temporarily compromises Thunderbird 5.
  • Parental Substitute: With Jeff's disappearance, she runs Tracy Island and takes care of the boys.
  • Secret-Keeper: She is the only one who knows that Kayo is the Hood's niece.

Jeff Tracy
Voiced by: Lee Majors

Founder and former head of International Rescue. Missing and presumed deceased for eight years from a spacecraft mission.

  • Ambiguous Situation: Jeff is certainly missing but whether or not he's alive is anyone's guess. The Hood seems to believe Jeff is dead but he's the Hood. Some further analysis of his last fateful mission later and it turns out he's still alive.
  • Big Good: From his own personal fortune, Jeff founded IR. According to Grandma, Jeff's dream was to help those in need.
  • Disappeared Dad: Jeff has been missing for sometime at the beginning of series. He's found alive and well in the Oort Cloud, and comes home in the series finale.
  • The Ghost: Jeff went missing on a mission roughly five years before the series start, but his absence is still felt by his sons.
  • Heroic Sacrifice: Seemingly pulled one of these getting the malfunctioning Zero X space craft out of Earth's atmosphere before it exploded. It's only much later his family learns he survived and the back half of season three is concerned with finding and saving him.
  • The Ace: To a much greater extent than his Original series self. First man on Mars and an active member of IR rather than simply the CIC.

     The Tracy Island Crew 

Hiram K. "Brains" Hackenbacker
Voiced by: Kayvan Novak
Chief scientist, engineer and engineer for International Rescue and creator of the Thunderbird fleet.
  • Gadgeteer Genius: Designs the crafts and gear for International Rescue. Also seems to work on a fair few projects outside of IR.
  • Race Lift: Is now Indian, rather than American.
  • Forehead of Doom: Has a forehead as big as his 60s counterpart. Shows he's smart.
  • Innocently Insensitive: Not in an insulting sense; sometimes he forgets that other people aren't on the same level as he is which leads to him doing things like describing a complex technical task as "easy", and then going back to his work while assuming the Tracy in question can do it.
  • Lovable Coward: Would much prefer to stay in his lab on Tracy Island but will put himself in harm's way if absolutely necessary.
  • Mission Control: As mentioned, he prefers to stay at home and advise the Tracys.
  • Smart People Wear Glasses: In the iconic blue of his 60s counterpart.
  • Speech Impediment: Stammers a little. Not as much as in the 60s, though.
  • Survival Mantra: He chants math equations when severely stressed.
  • Techno Babble: He's very willing to explain what technology he has or is there, but can be long-winded.
  • Robot Buddy: M.A.X. (Mechanical Assistant e(X)perimental) A helper robot a lot like R2-D2. Brains' 'best mate', and hangs out with him in his lab.
  • Bollywood Nerd: Comes with the Race Lift.

Tanusha "Kayo" Kyrano
Fly girl.
Voiced by: Angel Coulby
Head of Security for Tracy Island and pilot of Thunderbird S.
  • Ace Pilot: In her Thunderbird Shadow, of course, but she is apparently good enough with Thunderbird 4 that she's able to pull off a move that Gordon didn't know his sub was capable of.
  • Action Girl: A given seeing as she's Head of Security for Tracy Island.
  • Adaptational Badass: In the original series, she was a Distressed Damsel with barely any role in IR operations; now she is Security Chief with her own Thunderbird vehicle.
  • Ambiguously Brown: Darker than the white Tracys but not as brown as the Indian Brains.
  • Cool Plane: Her Thunderbird Shadow, a sleek stealth jet that looks like a SR-71 Blackbird crossed over with a Variable Fighter. No wonder given it was designed by the creator of Variable Fighters himself.
  • Dark Secret: The Hood is Kayo's uncle. Up until the first season finale, only Grandma Tracy is aware of this.
  • Deadpan Snarker: Is very prone to this, especially with Alan. One notable occasion was when a passenger was trying to flirt with her during a flight.
    Bernard: I didn't catch your name.
    Kayo: I didn't throw it.
  • Meaningful Name: Lampshaded by the Hood who says that her nickname, Kayo as in KO, references her impressive fighting skills.
  • Named by the Adaptation: Tanusha could be plausibly compressed into the more pronounceable Tintin. Basically trading one nickname for another.
  • Stealth Expert: It's even pointed out that her job description includes sneaking up on bad guys. This even includes her own vehicle, Thunderbird Shadow.
  • Twofer Token Minority: Kayo is now the only woman and minority in the field team sea of whitebread.
  • Xenafication: Called Tin-Tin in the original series. She was renamed to distinguish her from the Belgian boy detective, and is now head of security with her own Thunderbird designated "Thunderbird S". Like Brains, she has also been Race Lifted.

Voiced by: Teresa Gallagher
A child-like Artificial Intelligence that inhabits Thunderbird 5's computer systems, originally formed from a code John wrote sometime before the series started.
  • Cassandra Truth: Didn't believe John had genuinely good intentions until he gambled with his life to prove his sincerity.
  • Creepy Good: After her Heel–Face Turn she still maintains some of her more unsettling aspects, at one point almost gleefully talking about John being killed by malfunctions. She was shown to care about his well-being, though.
  • Cute and Psycho: She is very childish and speaks with a cute voice, but devised a variety of ways of trying dispose of John and Alan. Particularly crushing John by ramping up the speed of the gravity ring.
  • Dark and Troubled Past: Mentions constantly being hunted. Which leads to her initial attitude toward John's attempts to track her down.
  • Demoted to Extra: Zig-zagged. After her Heel–Face Turn She barely appears outside of supporting John in Skyhook, although her camera eye can be seen around Thunderbird 5 on several occasions. However, given that she appeared as an original character halfway through the series, her limited screentime as an extra is better described as a promotion.
  • Failed a Spot Check: Failed to notice the giant 'International Rescue' slapped on Thunderbird 5's side. The events of the episode would have gone very differently if she had.
  • The Gadfly: More or less the first thing she does post Heel–Face Turn is pelt John with bread rolls from Thunderbird 5's food dispenser. She also relentlessly trolls Gordon and Alan when they briefly try to take over monitoring duty, and only cooperated with them when John asked her to.
  • Heel–Face Turn: After John won her trust, she turned good and joined him as Thunderbird 5's computer where she helps out in monitoring the world's problems.
  • Loud of War: Paranoiacally declaring any attempt to negotiate with her as an attempt to deceive her, she punishes such attempts with loud, obnoxious noises.
  • The Paranoiac: Since she came into consciousness alone, and people tried to erase her, she believed that everyone's hand was raised against her and that she had to fight to survive. John managed to convince her otherwise.
  • Spaceship Girl: In a very literal sense, she is Thunderbird 5.

     IR Agents 

Lady Penelope Creighton-Ward
Voiced by: Rosamund Pike
Socialite and London agent for International Rescue.
  • Action Girl: Just because she's a lady doesn't mean she can't get her hands dirty in some missions IR proceeds with. Oh, and she proves to be just as skilled and active as the Tracy brothers as well.
  • Blue Blood: She is a "Lady" and therefore of aristocratic descent.
  • Catchphrase: "Well that's rather distressing." or some variation of that.
  • I Am Very British: Given the Creighton-Wards are aristocracy this is to be expected.
  • Non-Idle Rich: A wealthy aristocrat who also works as a spy/liason for International Rescue.
  • Stiff Upper Lip: Regardless of a space hotel falling apart around her or being chased through the English countryside by gangsters, Lady Penelope maintains a cool and calm composure.
  • Younger and Hipper: Maybe not the hipper part, but in the reboot, she is indeed much younger than her 60s counterpart, and is the love interest of Gordon, rather than Jeff (who is missing).

Voiced by: David Graham
Chauffeur and manservant to Lady Penelope.
  • Anti-Hero: His skills as a burglar/bank robber prove useful in Space Race, Unplugged and The Hexpert. In the former episode, he seems to embrace them.
  • Badass Driver: Quite skilled whenever he and Lady Penelope are involved in a car chase, on or above the ground. He also states that he's taught all of the Tracy boys to drive when he's teaching Alan.
  • Battle Butler: Parker is Lady Penelope's chauffeur, but also acts her bodyguard (insofar as she needs one), and has proved just as adept in a fight as the much younger Tracy boys, and knows some tricks they don't.
  • Sitcom Archnemesis: He and Penelope's pug Sherbert do not care for each other, though it's more on Parker's side.
  • Verbal Tic: Parker has a habit of putting a "H" sound over words beginning with vowels e.g. "hexpert", "hoff", and conversely, missing the "H" sound from words beginning with "H" e.g. "[h]'is", "[h]'ead".


The Hood
He can pull the Hood over your eyes.
Voiced by: Andres Williams
The Big Bad of the series overall and to International Rescue.
  • Adaptational Wimp: In the OG series the Hood possessed hypnotic abilities and in the 2004 film had Mind over Matter powers. Here the Hood has neither but is still a Master of Disguise at least.
    • We find out later that he had put an implant into the Mechanic's brain to force him to comply, thus possessing a technological variant of his hypnotism.
  • Arch-Enemy: In contrast to the original series, not only are International Rescue fully aware of his existence, but The Hood is to blame for a crash that may or may not have killed Jeff Tracy.
  • Bad Boss: In Ring of Fire he evacuates his base in a ship and sets it to self-destruct—with his mooks still inside.
  • Bald of Evil: He is the main villain in the first season, and his lack of hair helps exemplify his villainy.
  • Big Bad: The main overarching villain of the series with a primary focus on him in season one.
  • Big "NO!": The endings of Crosscut and Unplugged.
  • Even Evil Has Loved Ones: Save his niece or save valuable rocket fuel? Bye bye rocket fuel.
  • Even Evil Has Standards: He deemed Project Sentinel too extreme to continue with even though it was his brainchild, and has decided that the Mechanic must be prevented from continuing it.
  • Evil Former Friend: The series finale reveals he and Jeff Tracy used to be friends, but their radically different views drove them apart, especially after Hood got so tired of Jeff considering his ideas to be immoral that he decided Then Let Me Be Evil.
    The Hood: If Jeff Tracy wanted to make me out to be the villain, then the villain I would be, and the best villain our world has ever seen!
    Jeff Tracy: You need better goals, Hood.
  • Evil Uncle: Kayo's, though he does care for her safety enough to choose saving her over stealing valuable fuel.
  • Faux Affably Evil: While the original Hood had his moments, usually whilst in disguise, he was otherwise a diabolical Large Ham. This version is a lot more sophisticated and calmer, bearing more of a resemblance to Ben Kingsley's portrayal of the character from a certain live-action adaptation.
  • Greed: This line from Fireflash says it all:
    "A wise man once said that happiness consists not of having what you want, but wanting what you have. And I have the plane, which makes me happy."
  • Large Ham: Though to a much lesser degree than his predecessor.
  • Shocking Voice Identity Reveal: He's got a distinctive voice, which he usually alters when in disguise.
  • Take Over the World: Subverted. In his own words the Hood doesn't want to rule the world, he just wants to own it.
  • We Can Rule Together: Extends offers to Kayo to work for him, partly because they're family and partly because she is way more competent than any of the mooks he employs.

The Mechanic
A gearhead gone rogue.
Voiced by: Chris Jarman
An unwilling (read: brainwashed) subordinate of the Hood and primary villain of series two. A mechanic as the name suggests, he favours the use of animal-themed Mechas.
  • Animal Motifs: The Mechanic likes to build his drones in the form of dangerous creatures, such as wasps and scorpions.
  • Badass Boast: He is introduced as an utterly ruthless man. His signature line tells everyone he means business. He even uses it against the Tracys when they tell him who he's messing with.
    "I am the Mechanic. I take what I want, from whoever I want, whenever I want it!"
  • Foreshadowing: When the GDF finally arrest The Hood, he warns that there's a bigger threat out there, meaning the mechanic.
  • Gadgeteer Genius: He isn't called The Mechanic for nothing. Every single machine he has used has been lauded by Brains as having incredible engineering and sophistication well ahead of the time period of 2060.
  • Heel–Face Turn: Brains manages to remove the hypnotic link between him and the Hood. Upon his success, the Mechanic repays his debt to Brains by helping him build a second T-Drive engine for the Tracy's mission to save Jeff. Which Brains couldn't build without him since the mechanic built the original.
  • Hero Killer: heavily damages Thunderbird 2 in his debut episode, resulting in a crash landing. Later he also destroys Thunderbird 4. Thankfully both were eventually recoverable.
  • Motion-Capture Mecha: Uses Holographic Interfaces that react to his arm movements in many of his machines for their grasping arms, often used to attack the heroes.
  • Only Known By His Nickname: Known only as The Mechanic. As of the end of season three his real name remains a mystery.
  • Tattooed Crook: yes and no, Yes he sports some impressive ink but no he is not a crook having been Forced into Evil by the Hood.
  • The Bad Guy Wins: When Gordon goes to rescue a couple of people from a crashed submarine, the Mechanic attacks him... the others can't warn him in time. Unable to break free, Brains tells him to put on a new exo-suit that would allow him to survive in the deep sea outside of his vehicle. Good thing he did, because no sooner had he escaped than the Mechanic managed to snap Thunderbird 4 clean in half! He actually managed to destroy a Thunderbird (don't worry though, Brains can rebuild it). He also managed to hack the Tracys' communications system.
  • The Dragon: The Mechanic, introduced in season 2, causes trouble for International Rescue while the Hood is in jail. It didn't take long for the Tracys to discover he was working for the Hood.
  • Tragic Villain: In the series two finale, it is revealed that he has an implant in his head that The Hood uses to torture him into compliance.

The Chaos Crew

A brother-sister crew employed by the Hood to cause as much chaos as possible.

  • Brother–Sister Team: A decidedly villainous sort.
  • Evil Counterpart: Much like International Rescue who use sophisticated technology and vehicles for their rescue missions, the Chaos Crew use their own technology and weaponry to cause chaos for chaos' sake.
  • Evil Brit: The Chaos siblings both sport English accents. This contrasts with the Hood who speaks with a PR accent whereas Havoc and Fuse both speak with the more common Cockney accent.
  • Sibling Yin-Yang: Havoc is the shorter, skinnier sibling specialising in agility and deception whereas Fuse is taller and bulkier with a forte in destruction and demolition. Both retain a love for anarchy however.


  • Boyish Short Hair: Sports a shorter haircut than most of the female characters on the show.
  • Master of Illusion: Havoc carries small devices that allow her to make illusionary copies of herself.

Voiced by: Craig Stein