Mobius Encyclopaedia
You may be looking for the Auto Automaton version of Fiona Fox. See: Auto-Fiona. You may also be looking for Payback Fox.

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Fiona Fox
Biographical information

16 (born 3221)


Queen of Moebius (formerly)

Bounty Hunter (Formerly)

Mercenary (Currently)

Zone Prison Prisoner (Escaped)

Eggman Empire Prisoner (Escaped)

Knothole Freedom Fighter (Formerly)

Suppression Squad Co-Leader (Formerly)

Co-Leader of the Destructix (Currently)

Physical description
  • Orange/white leotard (formerly)
  • Orange/white sneakers (formerly)
  • Black boots
  • Black fingerless gloves
  • Black belted skirt
  • Black belly top
  • Yellow bow
  • Belt
  • Orange prison uniform (formerly)
Political Alignment and Abilities
  • Hand-To-Hand Combat Skills
  • Leadership Skills
  • Medical Training
  • Technological Expertise
  • Charisma
  • Gymnastic Skills

Fiona Fox was originally one of the many victims of Dr. Ivo Robotnik's rise to power. As a child she was left in prison, accidentally abandoned by Sonic the Hedgehog and Mighty the Armadillo, resulting in a grudge held against them. Upon escaping, Fiona led a life of treasure hunting and other petty crimes until, following Sonic's apparent death, she attempted to turn over a new leaf by joining the Knothole Freedom Fighters. In time, however, Fiona gravitated back towards her old ways, and ultimately decided that she preferred the darker side of life. To this end, Fiona fell in love with Sonic's Moebius counterpart, Scourge the Hedgehog, becoming his girlfriend, and later Queen of Moebius itself following Scourge's takeover. As a member of the Suppression Squad, she took part in the invasion of Mobius Prime, but following the rest of the Suppression Squad's mutiny against her and Scourge, she fled the scene, only to hire what was left of the Destructix and later rejoin her boyfriend.




Fiona and Mighty during their failed uprising to escape the prison complex

As a child, Fiona was one of many Mobians captured to serve in Dr. Ivo Robotnik's mining camps. Not long after arriving, she and her fellow inmates Mighty and Ray caused an uprising that was quickly quelled by the robots guarding the camp. While Mighty and Ray were locked up in isolation, Fiona was taken away for another purpose. Not long after, a young Sonic the Hedgehog (who was investigating the camp as one of his early Freedom Fighting missions) arrived and freed both Mighty and Ray. (StH: #155, KtE: #26, #27)

The three then went out in an attempt to rescue Fiona but ultimately failed to free her. Due to the mysterious disappearance of Ray, Mighty went berserk and began trashing the facility, forcing Robotnik to abandon it. Fiona was taken away by Robotnik when he fled and relocated to a new facility built exactly the same as the previous one. While there, she was used as the basis for the first of Robotnik's many robotic replicas designed to infiltrate the Freedom Fighters. Soon after creating the robotic duplicate, Robotnik left the real Fiona to die in a prison cell. (KtE: #28, CSE)

Life on the Lam & Treasure Hunter[]

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Nic and Fiona arriving after Rouge stole their treasure

After a long period of imprisonment, Fiona realized that no one would rescue her, and thus she became determined to do so herself. Through long, grueling attempts, she managed to dig an escape tunnel from her cell over a period of at least two years, eventually reaching freedom outside. The first person she encountered was Nic the Weasel, who was scavenging in the area. Failing to locate her family, Fiona came to believe that they had abandoned her, and determined to strike out on her own. She also came to harbor a deep grudge towards Sonic and Mighty for what she perceived as them abandoning her to her fate. (KtE: #28, CSE)

Fiona and Nic both became involved in treasure hunting and thievery, which soon resulted in a rivalry with Rouge the Bat. The two later were joined by Bean and Bark, all of whom suffered defeat in underground fighting tournaments thanks to Rouge. Despite this, she continued to use the two of them as foils on numerous heists and other jobs. Eventually, she and Nic returned to the mining camp to see if they could find any more Power Gems; unfortunately, the lab door was locked and neither could open it. (StH: #165, SU: #30)

Fiona remained somewhat embittered by her past encounter with Sonic and Mighty. This became apparent after Nic decided to gain Mighty's assistance to gain access to the laboratory, as Fiona explained how she felt abandoned by the two and blamed them for her long imprisonment. While exploring the camp, they discovered several unused robotic replicas of the Freedom Fighters. Eventually, they reached the door, and Mighty forced it open. Inside, they discovered a Power Gem - as well as Ray, who had apparently been stuck in a form of suspended animation by the gem. Despite herself, Nic destroyed the gem in order to free Ray. (KtE: #27, #28)

Freedom Fighter[]

Fiona re-emerged in the Southern Tundra where the Xorda landed their Quantum Dial. During the mass assault, she found herself being saved by Tails from the defense system's cannon-fire. Sometime after Sonic's apparent death due to his sacrifice, Fiona finally realized Sonic's true valiant nature and joined the Freedom Fighters. She acted in a general capacity, showing both computer and medical skills, while trying to genuinely turn over a new leaf. Upon Sonic's return from space, Fiona accompanied the Freedom Fighter task force sent to Old Megaopolis to prevent Eggman from launching nuclear missiles at both Station Square and Knothole. While on board the FFS-M2, Fiona asked Rotor if they should all have space suits, as the ship flew to Mobius's outer atmosphere. Later, she provided medical attention to Sonic, who'd been wounded by Eggman's robotic "daughter" Mecha. Fiona was also the one to explain to Sonic that Antoine and Bunnie had broken up during his absence in space. During this time, Fiona seemed unaware that she had completely won over Tails' affections without even trying. (StH: #125, #131, #133, #134, CSE)


Fiona working with the other Freedom Fighters

Fiona accompanied the Freedom Fighters during their mission to an ancient laboratory to discover the cause of severe seismic activities. She briefly left the group in an attempt to hot-wire the lab's systems, though due to its self-defences she was unable to. At one point, Fiona, Rotor and Bunnie had all been electrocuted by the lab's self-defense systems, but were saved in time by Tommy Turtle. After, Fiona discovered a heavily powered rifle, but was informed by Rotor the Freedom Fighters never resorted to gun-like weapons. (StH: #146, #148, #149)

Fiona accompanied the Freedom Fighters to the Nanite City to rescue Bunnie, and became wary of working with Snively to prevent the nanites from spreading. During a period of rest, Fiona explained her long-held resentment towards Sonic due to him seemingly abandoning her in the prison camp, and that after witnessing his selfless efforts battling the Quantum Dial, developed a sense respect for him, and realized he didn't deliberately leave her behind all those years ago. Following this, she helped the Freedom Fighters to defend Mina Mongoose from a series of Bombs attacking her concert, and she was present at the Brain Trust's examination of the discovered Nanites. (StH: #152, #153, #154)

Following this, Fiona and Sonic began a relationship. The two were discovered secretly flirting near a bush by Tails, and after Fiona explained she felt no romantic connections to him like she did Sonic, Tails left angrily. The same day, Sonic managed to prevent Anti Antoine from killing Prince Elias, and after sending him back to Anti Mobius, Fiona and Sonic began officially dating. (StH: #155, #156)

When Bean and Bark attacked Freedom HQ and it was obvious that they knew Fiona, shades of her past were revealed and, despite her assistance in stopping the attack, seeds of doubt were planted among the minds of the Freedom Fighters. When the Chaotix needed info on Rouge, Fiona reluctantly explained her past encounters with the bat, as well as her past involvements in crime. Sonic continued to support Fiona, but eventually it became more and more obvious that something was going on, as Fiona developed a tendency to disappear and skip missions. (StH: #160, #161, #165, #171)


During the time when Rouge was in Knothole, Sleuth Dawg appeared, looking for her on behalf of Dr. Finitevus. He held Tails and Fiona hostage while Sonic battled Scourge the Hedgehog. During it all, Fiona called Sleuth a traitor; he replied that she was one herself. Scourge also taunted Sonic for hanging out with "his" girlfriend. A compromise was reached; Sleuth would leave Rouge alone if the Warp Ring she had stolen was returned. Sonic returned the ring; however, it became apparent that between Sleuth and Fiona, Tails had learned a horrible secret. Because of his conflicted feelings between Fiona and Sonic, he did not tell the latter what he had learned. (StH: #165)

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Amy attacking Fiona, after learning of her betrayal and deceit

Eventually his guilt caught up with him and he confided in Amy Rose; Fiona had been cheating on Sonic with Scourge, Sonic's evil self from an alternate dimension, over the course of their entire relationship. Amy, enraged that anyone would betray Sonic's heart, sought out and attacked Fiona. While dodging blows, Fiona feigned confusion, though briefly slipped in a smug grin and told Amy no one would believe her anyway. To the surprise of both, Sonic casually butted in and told Fiona he wanted to talk. As they walked, he confronted her about lying and her disappearances. She became indignant, but all was soon explained when Scourge showed up; Fiona was in love with the evil hedgehog. When Evil Sonic had infiltrated Knothole Village, he had hit on several of the girls there, including Fiona, before being ousted. Fiona, having realised that she'd fallen for a fake, tried to find the same attraction in the real Sonic and thus began to date him. Unfortunately, she found him too "vanilla" for her tastes; she preferred Scourge's dark side and began to sneak off with him. (StH: #150, #172)

Finally exposed, she decided she no longer cared to keep up the charade or act as a Freedom Fighter. Tails suddenly intervened, begging her not to do so and appealing to her good nature. She gently told him that despite his intellect, he didn't realize one thing - "you can't count on anybody." She then slapped him across the face. Sonic, enraged at her cruelty, protested, and Fiona cited his abandonment of her, back in the mining camp, as an example. Shortly after a brief battle, she and Scourge then escaped via Warp Ring. (StH: #172)

Working for Dr. Finitevus[]


Fiona's new look.

Fiona reappeared not too long afterward, sporting a new look and taking up a role as one of Dr. Finitevus' agents. Together with Scourge, she came bearing bad news: not only had the Dingo Regime decided to attack Echidnaopolis, but the warring factions of the Dark Legion under Lien-Da and Remington had put aside their conflict to stop Finitevus' plans to resurrect Enerjak, the arch-nemesis of Knuckles the Echidna. While Finitevus left to complete his work, Scourge sat down to relax while Fiona bristled at the situation, clearly disliking the albino Echidna as much as Rouge had in her brief time in the doctor's service. She didn't have long to complain, however, before the new Enerjak made his awe-inspiring debut right in front of her and Scourge. Fiona played a part in the recreation of this awesome figure, as she and Scourge had worked with the other Destructix to knock out Knuckles the Echidna when he returned to Angel Island, and delivered him to Dr. Finitevus whose plans finally came together to make a new Enerjak out of the original's greatest foe. (StH: #181)

While Enerjak started his campaign against the elements of Mobius he had decided to eliminate, Fiona and the other Destructix were sent by Dr. Finitevus to guard a weapon that had been built by the Brotherhood of Guardians as a precaution against Enerjak's return. She and her allies would soon be forced to defend it from Knuckles' father Locke, Sonic, and Julie-Su. Though the battle was intense-not to mention an opportunity for Fiona to point out that Sonic and his allies had often beaten their foes either because of superior numbers or because their enemies had been ordered to lose-it ended quite abruptly when Sonic destroyed the weapon and the Destructix left, not sure of what to do next. The battle between Super Sonic and Enerjak decided for them, and Fiona left Mobius in Scourge's company as the green Hedgehog set out to find his true self, while the Destructix fled through a different Warp Ring. (StH: #183, #184)

Queen Fiona[]

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Fiona attacking Sally

The Warp Ring brought the couple to Moebius where Scourge invaded his home world, determined to re-make and set everything on his world apart from Mobius Prime. Scourge made Fiona his queen and second in command of the Suppression Squad after conquering the planet. Fiona did her duties well, only being contested by Princess Alicia, who was the original heir to the throne before Scourge's takeover. Under Fiona's supervision, the Squad repair a pair of stolen Globe Posts and used them to launch a successful invasion of Freedom HQ. (StH: #189, #190, #193)

When Sonic returned during the Suppression Squad and Freedom Fighter ambush, he was blocked by Fiona. At the time, she claimed she was betrayed time after time, and couldn't rely or trust anyone. Sonic then pointed out that she was breaking her own rule for Scourge, and implied that she might actually care for Scourge, bring shocked tears to her eyes. Furious, she yelled that it wasn't "like that", but Sonic simply replied "Keep telling yourself that". (StH: #194)

Following Scourge being tossed back to Moebius by the Suppression Squad, Fiona fled from the scene through the window in Freedom HQ while everyone was fighting. Scourge would later question Patch if she was with them when they arrived back in Moebius, stating that she was smarter than the Suppression Squad for getting out "when the going was good". (StH: #195, #196, SU: #15)

Leading the Destructix[]


Fiona appears in the Dragon Kingdom.

Now with her own plans, Fiona set out to get herself some muscle in the form of the Destructix at the Bottom of the Barrel Bar 'n' Grill, but only found the remains in the form of Sergeant Simian, Predator Hawk and Flying Frog. Drago Wolf had left the group to rejoin the Eggman Empire, while Sleuth handed over leadership to Fiona so as to preserve his own interests. The trio eventually agreed to serve her, but only if she helped them recover their much more valued comrade, Lightning Lynx. (SU: #15)

The four then set out to the Dragon Kingdom, where Fiona confronted Sonic and Tails within a bamboo forest as part of a trap, vaguely mentioning she'd been busy since they last met. A chase through the thicket led the duo to the remaining members of the Destructix. Once Sonic and Tails were subdued, she told them they had something to "discuss"- namely an alliance that would meet with her own ends. However, she didn't get a chance to until she ordered her muscle to stop fighting the Freedom Fighters after Sally Acorn and Monkey Khan showed up. After a brief engagement -- in which Fiona and Sally clashed heatedly and she was punched in the stomach after toying with Tails-- they reached an agreement, and she revealed her plan. Reluctantly, the Freedom Fighters joined them, as they were also set to clash with the Raiju Clan: the Freedom Fighters looking to break ties between the Clan and the Iron Dominion, and the Destructix looking to convince Lightning to leave the comrades he had rejoined. The unlikely team soon stormed the Iron Fortress, and Fiona and Sally were flown over the walls to unlock part of the gate mechanism. After they found the Bride of Conquering Storm, Sonic and Lightning battled to determine the outcome of their journeys; a defeated Lightning left with the Destructix. Eager to win his loyalty, Fiona promised that her plans would see everyone who had done them wrong repaid. (SU: #14, #15)

Prison Break[]


Fiona and Scourge have a talk in his cell.

With the Destructix in tow, Fiona cut an unknown deal with Dr. Finitevus that involved them going to Moebius. Since it was Scourge's homeworld, Fiona took advantage of that by convincing Finitevus they would need him for the job, and he granted them access to the Cosmic Interstate. Because of the lock-down between Zones, they were soon approached by Zone Cops and reacted with extreme violence on Fiona's orders, getting themselves arrested and sent to the Zone Jail in the No Zone -- exactly as planned. (SU: #29, #30, #32)

Once within the jail, Fiona and her group quickly located Scourge being abused in the mess hall by a fellow inmate and intervened. Fiona cleaned Scourge up, explaining her actions since she disappeared and told him of her escape plan. She did not get the reaction she expected as he screamed that she and the Destructix would get him killed; he stormed off, leaving Fiona with teammates angry that their efforts were not appreciated. Still, she had them save Scourge a second time from King Maxx, and then spoke with him in private. Shocked by how his spirit had been broken from his time in prison, Fiona eventually managed to convince him to bounce back from this hardship. Bolstering his confidence, Fiona assured Scourge she had a plan, and the two began to plot their escape, realizing that Scourge would have to win the Destructix back to his side first. (SU: #29)

Later, Fiona was in the prison yard with her cellmate Abby and saw Scourge coming from his talk with Warden Zobotnik, recognizing the man she remembered. Abby was not impressed, not understanding how Fiona could find anything admirable in 'Snot', but Fiona stuck by him. As Abby said she got a different impression from her, Fiona described the traumatic childhood that lead her to believe she could only rely on herself and made it second nature for her to use other people to achieve anything she wanted. While Fiona told Abby not to worry as she always had a way out, she was unaware Jeffrey St. Croix was standing nearby and listening to her every word. Seeing Scourge become his old self again did force Fiona to take action with a display of putting her boyfriend in place so that he would not tip their hand. As she made him submit when she interrupted a fight with St. Croix, Fiona seemed to enjoy it more than Scourge would tolerate, angering him despite her insisting she loved him. (SU: #30, #31)

Once Scourge regained her team's loyalty, Fiona put their escape plan into action. After lights out one evening, she slipped through her cell bars and scaled the cell block walls to the command center with Lighting and Flying. As the others dealt with Major Znively and the guards there, Fiona released the prisoners and altered the gravity to start a riot, while deactivating her gang's Control Collars to give them an edge. During the chaos that followed, Fiona went to the processing area to recover their gear, only to find someone had stolen it along with Scourge's. After informing the others, Scourge had her go back there with the Destructix to find the thief while he covered for them, and they dealt with Maxx & Jeffrey attempting to escape via their Warp Ring. Now back in her old clothes, Fiona and the others arrived just in time as Scourge ended a stand-off with the Warden, and escaped through the Warp Ring before the F.O.E. Inhibitors could stop them. Arriving in Moebius' Grand Forest, Fiona readied to complete their job with Finitevus, but could only protest once Scourge proclaimed he lead the Destructix and would deal with the echidna later. (SU: #31, #32)


Fiona is a determined fighter, eager to oppose evil since her capture at the hands of Robotnik. Somewhat prideful, she tends to hold grudges, such as against Rouge the Bat, who defeated her and the other members of Nic's gang in an illegal fighting tournament, and towards Sonic and Mighty the Armadillo for failing to save her when she was captured by Robotnik as a child. She has a history of mild illegal activity, including robbery. She is also extremely clever, and has an acute memory. However, she is clearly reluctant to talk about her past, most likely due to her feelings of abandonment.

It was later revealed that she chooses to follow a darker path in life (likely due to her past) and develops a relationship with Scourge, preferring the "evil" version of Sonic to the virtuous real deal. This in part comes from the fact that Scourge has no expectations of her other than to "have fun."


Fiona Fox is red with a pale yellow front, muzzle and tail-tip. Her short hair is generally brown, though it sometimes ranges towards auburn and red. In her initial design, her hair completely obscured her ears. She wore long white gloves, yellow boots and a dagger on a belt. Her depictions as a child generally match this, only lacking the belt and blade. Her eyes are usually blue, though they have occasionally been depicted as gray. She is almost always shown wearing a yellow bow in her hair.

Later, Fiona was most often shown wearing a yellow-orange zip-up leotard with a white stripe down the front and silver cuffs at the head, leg and arm holes. With this she wore matching boots and white gloves, and her hair was restyled, making her ears visible. She briefly sported an outfit that included a long, high-collared black trench coat, heavy black boots, and a shirt depicting a broken heart; this design, created by artist Jeff Axer, saw little use. Fiona’s design was later changed again, by artist Tracy Yardley, giving her an all-black outfit consisting of a crop top, pants/boots, long fingerless gloves, and studded belts. The yellow on her belly was dropped at this point. Her hair adopted a more fanned-out style but retained the yellow hair-bow.

During her brief time in Zone Jail, Fiona wore the same orange uniform and gold metal collar as the other prisoners, though she tied her shirt in the front. She also briefly wore Scourge's jacket, with his sunglasses perched atop her head.


Fiona is both a swift and agile fighter due to her time as a former bounty hunter and Freedom Fighter. In battle, she has managed to hold her own against different opponents in hand-to-hand combat and many forms of martial arts. As a former Freedom Fighter, she was also both a proficient technician and medic. She also showed some tactical skills as the former second-in-command of the Suppression Squad and the current leader of the Destructix, having helped plan the invasion of Freedom HQ and the assault on the Raiju Clan's stronghold, respectively.


Sonic the Hedgehog[]


Fiona hugging Sonic.

After witnessing what everyone believed was Sonic sacrificing his life to save Mobius from the Xorda attack, Fiona believed her long-standing resentment about Sonic was unfounded. After Sonic returned from outer space and his break up with Sally Acorn, Fiona found herself growing closer to Sonic emotionally. She became romantically attached to Scourge while he was impersonating Sonic in the prime zone, but once this was discovered, she attempted to find the same attraction within the prime reality's version. After realizing Scourge's selfish and brash attitude appealed to her more, and that Sonic had none of these qualities, Fiona finally revealed that she was in love with Scourge, and broke up with Sonic. (StH: #153, #155, #172)

Miles "Tails" Prower[]

Tails and Fiona's relationship was extremely one-sided. Despite the Auto Automaton created by Robotnik being very loosely based on the real Fiona, Tails had immediately fallen in love with the robot, whom he had come across on the shores of an uncharted island close to the Mobian Jungle. However, Tails had had his heart broken when he realized that the automaton was merely a trap, after she had managed to lure him into a hidden Roboticizer. Auto-Fiona became rusted after she tried to drown Tails in the sea; he had then narrowly escaped, leaving her paralyzed - what resembled a tear was seen to fall down the robot's cheek as he made his departure. (StH: #27, #28)

Fiona's organic counterpart later joined the Freedom Fighters, and Tails maintained his crush on her. Fiona however was not interested in a relationship with Tails, as she was several years older than he was. To make matters worse, she started going out with Sonic, severely afflicting their friendship. (StH: #155, #156)

Recently, Fiona has revealed that she is actually in love with Scourge the Hedgehog. Tails tried to stop the betrayal, only to be slapped fiercely across the face by the treacherous vixen. Afterwards, Tails was left even more broken-hearted than before, which he revealed openly to Sonic when attending the wedding of Bunnie Rabbot and Antoine D'Coolette. Sonic said to get over her, and that she wasn't even worth his time. Even so, Tails fought with Sonic shortly afterwards over Fiona. He knew Fiona wasn't worth his time and didn't love him like he loved her, but was still upset that Sonic apparently took her away. Sonic explained his going out with Fiona and sincerely apologized, thus calming Tails down and re-establishing their friendship. (StH: #172, #174, #178, #179)

The two wouldn't interact again until a mission to liberate the Iron Dominion's hold of the four ninja clans in the Dragon Kingdom, where she tried to manipulate the young fox's feelings for her, only to be punched in the gut by Sally for trying to take advantage of him. Tails has been since shown to move on from his former crush on her. (StH: #155, #165, #172, #178, #179, SU: #14, #15)

Scourge the Hedgehog[]

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Fiona and Scourge.

Scourge and Fiona's relationship became stronger with time, as Scourge, giving up his womanizing ways, stayed loyal to her even when it would have been more profitable to save his own skin, and their relationship is almost a twin to that of Sonic's and Sally's-though of course with the differences that come with their personalities. Following their arrival on Anti Mobius, and their invasion, Scourge announced Fiona as his Queen. (StH: #172, #190)

Fiona, for her part, allowed herself to become more attached to Scourge than possibly any other character in the series. She is truly loyal to him (although she at first denies it), physically defending him even when it would have been far easier to abandon Scourge, or join the Freedom Fighters and other Suppression Squad members in their joint attack on him. Her loyalty is further shown when she went to great lengths to break Scourge out of jail; taking the time to recruit the Destructix, contact Finetevus and make a deal with him, and then allowing herself and the Destructix to be captured by the Zone Cops. (StH: #194, SU: #29)

Background Information[]

  • Fiona stated her age was sixteen in StH #155 when the year was 3237.
  • She is the only member of the Suppression Squad who wasn't from Moebius.
  • Plans from Karl Bollers would have had Fiona develop feelings for Sonic while he was dating Amy Rose following his breakup with Sally. This would end up leading the two girls to initiate something of a Betty and Veronica rivalry.
  • Prior to joining the comic, Ian Flynn's fan comic, Other-M, had Sonic and Fiona in a relationship. Coincidentally, Ken Penders initiated the relationship in the comics four issues prior to his leaving and Flynn's entrance.
  • It is often been misunderstood by fans of the actual ownership of Fiona due to the lawsuit case between Archie Comics and former writer Ken Penders with many believing Fiona belonging to Penders. Although Penders helped recreate Fiona but the initial character, Auto-Fiona was originally created by Michael Gallagher and Penders has stated that he does not want to claim a character he did not create.

External links[]