List of ReBoot characters


This is a list of characters from the animated television series ReBoot.
Most ReBoot characters are named after technical computer terms or pieces of computer hardware.

Main characters

Bob

Guardian 452 and defender of Mainframe from both internal and external threats. Bob is often criticized by other Guardians for his unorthodox views regarding viruses: unlike other Guardians, who believe that viruses should simply be deleted on sight, Bob theorizes that viruses can be reprogrammed to live as Sprites. Despite this criticism, Bob is still respected as one of the finest Guardians ever to come out of the academy. Compared to Dot, he usually does things "on the fly", and is an extremely casual and laid-back hero in the first two seasons. After living and partially degrading in the harsh Web he became slightly more cautious, more sensitive, and less impulsive than he used to be. Despite their difference in personality, he and Dot developed romantic tension that finally resulted in them coupling at the end of Season 3.
He is equipped with a Guardian Keytool, "Glitch", which can transform into any device with a voice command. When a Guardian is first introduced to a Keytool, they exchange code. In Season 3 and 4, Bob bonded with Glitch and gained energy-based Keytool powers as a result. As Glitch was broken at the time and because Bob's code was missing from Glitch the merger did not quite work and continued use of his powers was leading to total fragmentation. Eventually they were separated, with Glitch now upgraded in design and power and regained his original form.
While he was always in favour of non-violent solutions, in Season 4 he was now opposed to deletion of virals under any circumstances, which caused conflict with other characters like Matrix. The reasons for this change was not directly expressed on the show, but presumably it is the result of both Hexadecimal's reprogramming and his experiences of war-torn Mainframe. At the start of the "Code of Honor" webcomic, Turbo accuses Bob of causing a net-wide viral onslaught that's ruined tens of thousands of Systems, claiming his views have caused many Guardians to talk about "viral rights" and this led to the outbreak and the Collective's inability to hold it back. Bob has been left rattled by this, and attempted to take out Megabyte in a one-on-one battle before being called back.
Bob was voiced by Michael Benyaer in seasons 1 and 2, and Ian James Corlett in seasons 3 and 4, though Benyaer returned near the end of season 4 as the voice of the fake Bob and eventually as the voice of the real Bob, which led to a tongue-in-cheek comparison between the two where Dot commented that fake Bob "even sounds more like the real Bob".
Bob's name was chosen after members of the production team saw an episode of British sitcom Blackadder, and were amused by the way actor Rowan Atkinson pronounced the name. Bobs were also a graphic element in Amiga computer systems.

Dot Matrix

The daughter of leading Mainframe scientist Welman Matrix, Dot originally was his assistant as a teenager. Now an adult and proprietor of Dot's Diner, Dot also acts as her younger brother Enzo's surrogate parent and guardian since the loss of their father. She later became the command.com of Mainframe in place of Phong. She is admired for her brilliant and invaluable tactical skills, which led to her becoming a workaholic with business interests in most of Mainframe. Although she and Bob took until Season 3 to admit it, they are attracted to one another and this sometimes leads to awkward moments between them. When their father was nullified in the Twin City explosion, Dot and Enzo became each other's only remaining family, and for a long while she was adamant about keeping him from Games.
As Command.Com, she had to fight two successive Viral Wars from a position of inferiority and was forced to make many morally grey decisions, such as having Enzo go into a Game and stay there until he grew into a new Matrix as an insurance policy. It is a sign of her tactical skill that she was able to keep fighting against Megabyte, even with the loss of Enzo and the Principal Office, and then be able to cause some serious damage to Daemon. The emotional stress of the Viral Wars took their toll after the defeat of Daemon, and she fell for Megabyte's plan to impersonate the original Bob out of a desire to get back to the good times and forget all the pain and horror. After this, she came up with a plan that captured Megabyte and his entire Neo-Viral army in one swoop, but this was undone when it was revealed they had only caught a copy of Megabyte and the real virus was inside the War Room.
Dot was voiced by Kathleen Barr.
Her name is a reference to the method of using an array of dots to generate characters, symbols and images. The dot matrix was once widely used in the form of dot matrix displays and dot matrix printers. It is possible that her name may also be a hidden reference to a sentient machine with an identical name from the film Spaceballs.

Enzo Matrix

Dot's little brother, Enzo, hero-worships Bob and intends to become a Guardian. He has a crackling, mid-pubescent voice and often uses catch-phrases such as "alphanumeric" and "high-density" in place of real-world utterances like "cool" and "awesome" to express enthusiasm. Enzo is very energetic and loves to play games like Jet Ball and Circuit Racing, and eagerly heads into the Games. Despite his youth, Enzo has proven to be extremely good at the Games and has several times been responsible for winning them.
With the destruction of the Twin City, most of Mainframe's Sprites were nullified and Enzo grew up with few friends to play with. His main friend growing up was Frisket until he met AndrAIa and brought her to Mainframe. The two have become inseparable since then.

Guardian Matrix

When the Web invaded, Bob gave him a field rank as Guardian Cadet with the promise of sending him to the Super-Computer to be a real Guardian; when Bob was lost in the Web, Enzo found himself as the defender of Mainframe. He did well, gaining self-confidence and the approval of the populace, but eventually a Game came down he could not win, leading to his development into Matrix. When Mainframe was rebooted at the end of Season 3, Matrix had accidentally left his icon in "Game Sprite" mode, causing the system to recognize Enzo as missing, and so created a second Enzo using the last available data on him, which was some time before the episode "Talent Night".
It is revealed in "Talent Night" that the number on his shirt refers to his age, as written in binary notation, as it changes from "01" to "10" at the end of the episode.

Matrix

Adult Enzo Matrix, who, due to the dimensional difference of the game world aged quicker, making the time frame in the game world seem longer than it actually is. Ashamed of the child he used to be, whom he viewed as weak after his vicious defeat by the User Zaytan, he prefers to be addressed by his surname "Matrix" instead of his given name, which reminds him of his childhood. With a cold personality, violent behavior and a "built-like-a-tank" physique he is nothing like the child he used to be. He was tempered by what was from his perspective a lifetime of fighting. Although he is quick to anger he has still shown a desire to help those in need and his quest to return to Mainframe has let him bring many systems back from the brink of annihilation. He harbors an unparalleled hatred towards viruses and will not hesitate to delete them in a violent and merciless manner. He is in love with AndrAIa, who has now matured as well, but is also quite jealous and protective of her. Deep down, he had a fear that he might become or already be a hate-driven, uncaring killer who had forgotten about his home and family and would end up like Megabyte; he had to face his fears and get past them in the episode "Number Seven". He would several times show an extreme temper, aiming a gun at Ray Tracer during arguments, and he instinctively raises his gun when surprised by something that might possibly be dangerous.
His right eye was severely damaged in the lost game that took him from Mainframe, but was at some point replaced with a cybernetic eye during his travels. This eye grants him extended visual powers, such as magnified long-range vision and X-ray vision. Matrix has also acquired a firearm, the aptly named "Gun", which has many functions that Matrix invokes with voice commands. Gun operates in a fashion similar to a Guardian Keytool, possibly because Matrix idolized Bob as a child. Matrix's mechanical eye also works in conjunction with Gun for lock-on targeting and tracking purposes. One of his gun's functions is "Death Blossom Mode" which allows the gun to hover in midair spinning rapidly in 720 degrees autolocking to all targets in sight. It is being implied that the gun has extremely high caliber, from single solitary blasts to Full-Delete rounds among possible explosive capabilities when he is seen shooting pursuing ships from the Saucy Mare, a ship he recovered for the Crimson Binome to travel to the Web. Matrix also carried Bob's damaged Guardian Keytool, Glitch, having recovered it as Enzo after Megabyte launched Bob into the Web; although this was mostly symbolic, as Glitch was rendered virtually nonfunctional, Matrix did continue to use Glitch for stats and information about games and systems he encountered. Matrix returned Glitch to Bob when they were re-united in the Web.
In a sign of development, Matrix finally spared a virus's life by not killing Megabyte when he was beaten and at his mercy. Having spent so long apart from Mainframe, he is filled with the desire to defend his home by any means necessary, making it seem as though Matrix had become much more belligerent during the first part of Season 4, and this stance caused a great deal of friction between him and Bob in Daemon Rising. Once Daemon was beaten, the two were much more friendly to each other, though Matrix was always having to deal with anxieties of what to do now there was no-one left to fight.
While he sometimes views the young copy Enzo as somewhat of an annoyance and grim reminder of what he used to be, he has come to accept the young Enzo as a little brother and strives to prevent him from becoming like himself.
With his tough-guy attitude, similar look, and imitative dialogue, Matrix is likely inspired by the character of Snake Plissken, or possibly the gruff, muscular, gun-toting, anti-hero, Cable, of Marvel Comic's X-Men franchise. Despite Matrix's appearance, his actual age is only "11" due to accelerated game time.
Matrix was voiced by Paul Dobson.

Little Enzo

The new Enzo looks up to his older self as much as he does Bob, and briefly wanted to be just like him and demanded everyone call him "Little Matrix". When Daemon took over Mainframe, Enzo saved the System with the help of Frisket, Hack and Slash, getting Matrix to snap out of Daemon's infection and help disinfect others so they could fight the virus.
By the start of the "Code of Honor" webcomic, he's already become a Guardian Cadet and is the star pupil of the Academy. He's gained a next-gen keytool named Sparc, though it will only work for him when he proves he has "the heart of a Guardian".

Frisket

A feral dog who likes Enzo, who acts in a threatening manner toward just about everyone other than Enzo and AndrAIa, with a particular dislike of Bob. Frisket has uncanny physical strength, comparable to that of Megabyte, being known to catch cannonballs in his teeth. Frisket is extremely loyal to Enzo and would not hesitate to sacrifice his life to protect Enzo's. Frisket followed Enzo and AndrAIa into the games during season three.
His name is derived from the masking technique that is used by artists. Frisket was voiced by Scott McNeil.

Phong

and keeper of the core for Mainframe who lives and studies in the Principal Office. He was also the command.com of Mainframe until passing the title to Dot. A wise old sprite somewhat evocative of Confucius, he often dispenses advice in the form of confusing and vague philosophical quotes gleaned from old README files. Very fond of Pong, one must defeat him in a game to be considered worthy of his knowledge. Phong is immune to infection by viruses, but not super-viruses. When the Viral Wars started, Phong was an invaluable aide and comforter to Dot. He was captured by Megabyte, his head cut off, and had data extracted from his mind, but he refused to surrender and fought Megabyte to the last. One of his passwords was revealed to be "Yaddi Yaddi Yadda!"
Phong always has the right equipment or knowledge, often handy in whatever sort of situation; in one episode, Bob was shocked to find that Phong had prepared a countermeasure specifically to handle a giant monster made entirely of Nulls stomping around the city. He acts a wise therapist whom many come to for advice about their problems, but the majority of the time his advice isn't very helpful and he urges for sprites to figure things out on their own.
The character Phong's name is an allusion to the game Pong—he has a rule that any who seek his advice must first play him in a game of physical Pong, shown on-screen in the first few episodes—and to Phong shading, an interpolation method used in three-dimensional graphics rendering. Phong shading was used to render this character, as opposed to the simpler Gouraud shading used on other characters.

Main villains

Megabyte

The main antagonist of the series, Megabyte is a virus, originally operating out of the Silicon Tor in Sector 1000 and dominating most of G-Prime. Megabyte plots constantly to corrupt and control Mainframe in order to turn it into his own domain, "Megaframe", and from there infect the Super-Computer and then take the entire Net. His secondary objective is to destroy his sister Hexadecimal, which is apparently just viral sibling rivalry. He is a malignant virus able to infect other programs, and commands an army of infected Viral Binomes. He has a brutal, almost psychopathic nature and speaks with a deep British accent. Megabyte possesses fantastic physical strength, super agility and reflexes as well as the ability to jump great distances. He can quickly scale high walls with vicious Wolverine-like extendable claws on his knuckles, as well as finger tips with extending nails similar to Lady Deathstrike. He has an exceedingly cunning intellect as well as the ability to infect and control objects. Another ability he has shown is the ability to read memory from certain sprites, namely Phong. He also manages to steal Bob's exchanged Guardian code with Glitch. Megabyte has no sense of morality and consistently takes advantage of others to achieve his own ends. He also seems immune to the energy-draining effect of nulls. Megabyte can also store codes to control programs and functions of what ever system he is in, provided he has been given said codes. These programs are controlled by buttons located under a panel in his left arm.
Megabyte also has a sense of humor and musical talents, as shown in the episode "Talent Night" when he crashed into Enzo's birthday party, accompanied by armed guards, but instead of his usual evil antics, he began to play a rock song on a forked guitar, which led to his and Bob's famous rock duel. Afterwards, Megabyte remarked "I've always wanted to do that", and left, but not before giving Enzo his guitar as a birthday gift.
Megabyte's origin is revealed in the fourth season. He and Hexadecimal were once one virus, who was scheduled for deletion by the Guardians, but upgraded into [|Gigabyte] before it could be carried out. He mortally wounded Bob's partner and moved in toward Bob before being accidentally teleported away by Welman Matrix's gateway device. The results were devastating: the destruction of Mainframe's twin city, everyone present being nullified, and Gigabyte being split into Megabyte and Hexadecimal. Upon being separated, Megabyte observed his surroundings and walked off – intent to carry out his agenda on an unsuspecting city.
While always a villain, in earlier episodes Megabyte was often involved in humorous situations and rarely caused permanent damage; the exception to this was the first episode, "The Tearing", where he deliberately causes a whole Sector to be nullified. As time went on, and especially after ReBoot was no longer on the ABC Network, he became far more evil. He appears to have some small sense of honor, shown in one instance when Bob saves his life, Megabyte later let Dot go in the same episode, after which he commented "Now, we are even".
In the final episode of Season 2, Megabyte worked with Mainframe to close the Web portal that had opened in Mainframe, but not without heavy cost. Unfortunately, just before his "hardware" was fired at the portal to close it, he threw Bob into a rocket and sent it soaring into the portal. The portal was then closed, and he had his army move to crush the remaining defenders of Mainframe. For the first three episodes of Season 3 he had complete air supremacy and full run of Mainframe, while its defenders were trapped in the Principal Office. He also left Enzo alive so he could launch a propaganda campaign focusing on how the Guardian was an inexperienced boy, thus demoralizing the denizens of Mainframe. Obscenely, he also imprisoned Hexadecimal and forced her into becoming a living weapon, electrocuting her viciously via a collar at the slightest whim. "Rather good, isn't it?", he remarked to Enzo about his latest "weapon".
He was finally trapped behind an inverted Firewall that covered all of G-Prime. Unfortunately, shortly afterwards a rampaging Hexadecimal took out the Firewall; resulting in war between the viruses that devastated G-Prime and neighboring Sectors. Needing a new base, and as the Principal Office shields were still offline Megabyte was able to conquer it by force. Mainframe became Megabyte's long sought after Megaframe. Instead of re-building it "in his own image", he more left it as a decaying and devastated system that was perpetually on the verge of crashing. When Matrix and Bob returned to the system, Mainframe's rebels were finally able to bring down the Viral forces. During the battle, Megabyte was confronted by Matrix, who was carrying his sidearm: Gun. Megabyte convinced Matrix to drop his weapon and fight him hand-to-hand, as the virus believed that "the boy" would be no match for him physically. However, this was proven to be false when Matrix ultimately defeated him in battle. Megabyte was enraged when Matrix spared his life, and as an act of desperation he tried to escape to the Super-Computer. However, Mouse managed to change the address of the portal Megabyte was using, and as a result he was trapped in the Web. He made a brief return in the form of a holographic simulation, which Megabyte had created to taunt anyone who went into the System's Core to prevent it from crashing.
Megabyte survived in the Web due to sharing some of Bob's Guardian code, and in the fourth season he became a Trojan Horse virus, gaining the ability to look and sound like any sprite or binome he is able to steal code from. He returned from the Web in the form of Bob circa Seasons 1-2, deliberately trying to confuse everyone over who the real Bob was in order to attack his enemies emotionally. He had also switched objectives from world conquest to personal revenge. His plan worked so well, he almost ended up married to Dot, until Glitch retook Bob's stolen code and forced him back into his Viral form. Megabyte immediately fought the real Bob, but he was surprised by Bob's increased power and was forced to retreat.
Afterwards, Megabyte began building an army of Neo-Virals, but was swiftly captured by the CPUs along with his whole horde, or so everyone thought. That Megabyte was in fact an alias, a fragile copy of himself, while the real Megabyte had infiltrated the Principal Office in the form of Frisket. He swiftly infected the War Room and had his enemies isolated throughout the building, telling them to prepare for "the Hunt".
At the start of the Code of Honor webcomic, he'd devastated Mainframe with his armies of infected "zombinomes" that the entire System was evacuated. He was seemingly killed when the firmware upgrade Gnosis was unleashed on Mainframe, but the second issue ended with him revealed still alive and working for Gnosis as an avatar created from Gnosis.
Megabyte has an unusual habit of separating his torso from his legs when he is plotting at the Tor, and has a hovering chair to move him around when in this state.
He has been in Games five times, showing the ability to infect the User's in-game avatar. His last two Games were played when he was disguised as Bob; he was able to reboot and handled the Games quite well, though he asked Matrix to cheat in Panzu Heavy X when panicked about the number of opponents. His Game appearance in "Bad Bob", when a corrupted Game merged him with and a device stealing the Core energy, was the Megatruck. Bob drove him in this episode, and was alarmed to discover the Megatruck had no brakes.
His name is a reference to a megabyte.
He appears as a recurring villain in .

Nibbles

Megabyte's pet null, whom he refers to as "Father" several times throughout the series. Nibbles' identity as a Sprite does not become clear until the fourth season.
His name is a reference to a nibble or nybble, 1/2 of a byte.

Hack and Slash

Hack and Slash are twin robots, identical in form except that Hack is red and Slash is blue. The pair originally served Megabyte, carrying out his orders, often in a very incompetent manner - their first appearance had Bob tricking them into crashing into each other. By Season 2, they had degraded in villainy to the point where they twice ask Bob for help and also assist him in battling Gigabyte. Hack and Slash have great physical strength. They once lifted and destroyed a very large bridge with ease in the episode Medusa, and both proved strong enough to punch the greatly sized Gigabyte out to the floor, or even high and far up in the sky. Hack is also once seen to have three arms.
In Season 3, they reconsidered their loyalties after being instructed to kill Cyrus, who had betrayed Megabyte. Though both were reluctant to carry out those orders, Slash freed Cyrus at the last moment. When Hack pointed out how mad Megabyte would be, Slash responded, "Ah, what's new? I miss Bob. Bob always stopped us before we did anything really bad. Now, nobody does". Meanwhile, Megabyte had grown weary of their incompetence and ordered them to take point when battling Hexadecimal. They were promptly blown to bits. Phong found and repaired them, and they switched sides to Mainframe to work as bodyguards and gofers for Dot. Hack and Slash were the first regular characters to re-encounter the returned Bob and Matrix, and they were quite overjoyed to see them again.
In Season 4, they were often seen hanging around Enzo and helped him play a key role in stopping Daemon. They also assisted in a Game, the first one they were shown in since acquiring PiDs. Also, Hack refused to allow Slash to mention the "M" word out of fear that their old boss would ever come back. When Megabyte did return and began fighting Bob, Hack and Slash were unsure of whom to help. Later, they flew away screaming at the idea someone might be Megabyte. The two were last seen taking Dot out of the Command Center, as Megabyte took over the Principal Office.
Hack and Slash are frequently torn apart, although they seem to take it in stride. They used to talk in very babbling and over-running dialogue, but halfway through Season 2 they became more coherent. They are quite dimwitted and bumbling, despite their strength. They have built-in jetpacks that allow them to perform and maintain VTOL flight. They can also control their limbs remotely - they often get blown up and can still operate every movable part even though they are literally in a thousand pieces.
Their names are a reference to the hack and slash genre of computer games, and the keyboard characters \ and /.

Hexadecimal

Hexadecimal, the self-proclaimed "Queen of Chaos", is a virus operating out of Lost Angles. She is Megabyte's sister, serving as the chaos to his order. Her origin is revealed in the fourth season. She and Megabyte were once one virus, who was scheduled for deletion by the Guardians, but upgraded to Gigabyte before it could be carried out. He mortally wounded Bob's partner and moved in toward Bob before being accidentally teleported away by Welman Matrix's gateway device. The results were devastating: the destruction of Mainframe's twin city, everyone present being nullified, and Gigabyte being split into Megabyte and Hexadecimal. Upon being separated, Hexadecimal observed her surroundings and exclaimed, "I like it here!".
Hexadecimal is melodramatic and extremely emotional, able to switch emotions by a simple wave of her hand. The masks change constantly in a slew of different ways, usually while obscured from the home viewer. Episodes 1 and 10 of season 2, and episode 4 of season 3 showed her mask changing on screen in an instant. She has transfinite power reserves, meaning that she has near limitless stores of energy to draw from, and as such, is quite powerful herself. Her powers include energy beams and fireballs, altering gravity and being able to fly, shrugging off severe damage and controlling nulls. She also has the power to open a portal to the net or web in her "looking glass", and has also been seen taking control of system programs like the system paint program. It is suggested that her powers are near infinite, but because of her madness she is unable to use them for anything constructive.
Her vast collection of masks serve to show her facial expression, thereby giving her a harlequin-like appearance. The expressions shown in these masks can range from happy, sad, scheming, and even homicidal rage. These masks also hold her power in check. When removed, her power escapes and continues to do damage to her environment, and she will overload and be destroyed if the mask is not replaced.
She is a benign virus, meaning she does not infect other entities. Instead, her primary motive is to simply cause random chaos for fun. Due to her power and insanity, her fun nearly always led to Mainframe crashing. She even once nearly caused it unwittingly, when a Web Creature emerged from her mirror and possessed her. All of the nulls sensed this danger and covered her completely. The giant "Nullzilla" monster went on a rampage, as the possessed-Hexadecimal was trying to escape.
In Web World Wars, Hexadecimal was charged with powering the Hardware that closed the web portal. Despite her interest in Bob, she knew of Megabyte's impending betrayal and even helped launch him into the Web. After closing the portal, she aimed the Hardware at the Principal Office. Megabyte merely saw this as a threat to force the Mainframers compliance to his whims, but she wanted to destroy the Core – not caring that that would destroy the entire System, including herself. Luckily, a Game Cube landed on top of the Hardware and the energy feedback from the Cube, along with the energy charge that she had already infused in the hardware, seriously damaged her. Megabyte subsequently had her rebuilt and had her enslaved as a weapon he could use against Mainframe. This served only to further elevate her rage against Megabyte. Though she appeared to be completely restrained, Herr Doktor theorized she was faking and "liked being tied up", which Megabyte preferred not to think about. When she finally did escape Megabyte's control, her "rattling of her brother's bones" devastated G-Prime and the surrounding sectors. Spending the rest of her days lurking in Lost Angles, she made her presence known again with the return of Bob.
When Bob returned, she abducted him for demented party games and would eventually have killed him. However, he was able to defragment her head with his new powers. His glitch powers were able to replace her masks and her insanity with a real face and more harmless quirkiness. However, she still felt the need to off Herr Doktor and Bunnyfoot vengefully by turning them into biscuits. In the episode End Prog, with the System about to restart, Bob insisted that Phong give Hex an Icon to register her with the Principal Office so she would be backed up. Mainframe restarted and a viral scan disinfected all the Virals, but Hexadecimal remained intact, remarking that the scan merely tickled.
Hex being her nickname for short, could also refer to her dark powers, and the Medusa Bug she used as a curse against everyone, in Web World Wars, Mouse comments referring to Hex, "Just tell the witch to be ready!", to which Hex responded, "I heard that! What a sweet thing to say!".
By Daemon Rising, she had begun openly and heavily trying to seduce Bob. In order to make him happy, she used her powers to drive out Daemon's forces; this weakened her powers enough for the viral scan, which had remained in her Icon, to start again, and she covered herself with Nulls to stop it. When the Null-cocoon fled as a Game landed on her, she became a normal, powerless Sprite; wearing a new costume of white lace and gold instead of black leather and red, with normal-looking eyes and black hair.
Strangely enough, Hex retained her control over Nulls, even though the rest of her powers had been stripped away. Upon revealing her origin to Dot, she began referring to her as "Sis". When Daemon conquered Mainframe, Hex was rejected as an abomination by Daemon for abandoning her viral code. At the end of the episode "Sacrifice", with Bob in danger of dying, she had given away her new life as a pure Sprite to become her old reckless and insane viral self just to stop Daemon. To do this, she absorbed Mainframe's core energy with the help of Phong, and became as powerful as Daemon herself to try to stop the infection. She did not succeed unfortunately, as Daemon's "cron virus" took hold of the Net. "Ill" again, Hex did not realize the severity of the situation until Bob told her that she would not survive the crash, and she made the decision to fragment herself into the Net as a "benign virus" to undo everything that Daemon had done. She took the cure from Matrix's icon and then gave the young Enzo a special code on his icon that would later give his null-father the ability to talk once more. Before she went in, she told Bob that she had always loved him and told Dot to take care of him.
Her sacrifice symbolizes two themes previously stated in the show. "Love conquers all boundaries" : Hexadecimal decides to fight Daemon's countdown due to her love for Bob and desire for him to survive. "Chaos will always triumph over Order; it is the way of things" ; Daemon's purpose is stated by Turbo to bring order to the Net, and the self-styled Queen of Chaos fights her to a standstill and cures the Net of the infection.
Her name is a reference to hexadecimal notation.

Scuzzy

Hexadecimal's familiar. A cat-sized animal with a video screen on its head. Named after SCSI, which stands for Small Computer System Interface. Scuzzy is last seen in "Firewall".

The User

The human operator of Mainframe is perceived by its denizens as a distant, impersonal, deity-like figure. Often destructive, it subjects the city to Game Cubes and assumes various avatars to do deadly battle with the unfortunates trapped within them. In layman's terms, the User is a computer owner that enjoys playing PC games, blissfully unaware of the havoc he/she is causing. Nonetheless, Mainframers dutifully petition the User to bestow upon them gifts such as increased memory and software upgrades, prayers which are sometimes answered despite the User's sadly limited means. Of all the characters depicted, only Fax Modem openly professed to deny the existence of the User, a position roundly regarded as wildly unorthodox and borderline insane. The User never appears on screen, although in the third season finale its keystrokes could be heard as it entered the command to reboot the system.

Season one characters

Cecil

Al's Diner

Al owns Al's Diner on Level 31, and also serves as cook. According to his waiter, Al runs at 3 decahertz. Almost never seen, the only times he is explicitly shown on screen is when he is tied and completely covered up with rope in the episode "The Great Brain Robbery", and jumps in front of the camera in the third-season finale after the system is restored, having been apparently sped up he offers a fast and excited "Woo-hoo!" to the viewer. He is a one-binome with a chef's hat. One running gag throughout the series is that whenever his name is said, whether someone is directly talking to him, or his name is just mentioned in conversation, he responds with "What?".
;Al's Waiter : Never named in the series, he is a binome that stands behind the counter at Al's Diner. He speaks and acts very slowly. He is one of the sprites who disappears in "Trust No One". He was also the first to be infected by the returned Megabyte in Season 4.
;Al's Waiter : Also never addressed by name, he is flamboyant one-binome who acts stereotypically camp. Has made Bob a bit uncomfortable on a few occasions.

Mike the TV

Herr Doktor and Bunnyfoot

Old Man Pearson

Captain Gavin Capacitor

Capain Gavin Capacitor software pirate and captain of the Saucy Mare, he styles himself as "the Crimson Binome".

The Crew of the Saucy Mare

; Mr. Christopher: Captain Capacitor's bookkeeper is a nerdy and timid zero-binome who's never seen without his laptop. His name is likely a tribute to Fletcher Christian, the Master's Mate from HMS Bounty. He may have also been named after Christopher Brough, president of Mainframe Entertainment. Mr. Christopher was referenced to Mr. Smee.
; Princess Bula: A giant one-binome on Captain Capacitor's crew with great physical strength, but she isn't very smart. Not actually a princess, but no one dares say otherwise. Mr. Christopher has a crush on her.
; Miss Sally: A female zero-binome pirate who serves as raider and look-out for the Mare. She once stole Glitch.
; Mr. Andrew: The one-binome pirate in charge of the steering wheel of Mare, who wears an eye-patch over his single eye. He was present during the search of Bob in the Web and at the Restart of Mainframe.
; Mr. Jimmy: A zero-binome who is in charge of the ship's prison.
; Mr. Mitchell: A wealthy one-binome whose appearance and manner recall Thurston Howell, III, in the sitcom Gilligan's Island.

Mouse

Binky and Algernon

Cyrus

Season two characters

Lens

AndrAIa

Gigabyte

Fax Modem and Data Nully

Turbo

Class-M Webcreature

Web Spores

Season three characters

Powerlock

Ray Tracer (The Surfer)

Unspecified-class Webcreatures

Web Riders

Season four characters

Daemon

Voiced by Colombe Demers
A super-virus bent on infecting the entire Net, she succeeded in infecting the entire Guardian Collective, with the exception of only Bob and Matrix, and turned the Super Computer into her base of operations. She is religiously worshiped by those she infects, and known to them as "The Word" and addressed as "My Lady".
Daemon claims to strive for peace and unity in the Net and is different from other viruses in that she does not seem to believe that what she is doing is wrong, seeing herself as a messiah trying to "save" the Net. She speaks in a French accent and calls Mike the TV "Michel", and is depicted in the style of Joan of Arc, a petite female holy warrior. She is a disconcerting villain because while what she is doing is insanely evil, her personality is actually quite gentle and benign. Despite her seeming benevolence, her infection turns people peaceful at the cost of their free will - to the point where they do not care if they die doing Daemon's will. Her possessed Guardians use lethal force countering any and all resistance. A Guardian hit squad was sent to retrieve Matrix while in presumably the early stages of her infection, and they were far more hard-edged than the infected Guardians in Season 4. Daemon is complicated in her feelings. She has an interest in the concept of love, taking time to observe it and stating that sprites are lucky because they can feel love when viruses cannot— or at least so she believes, given that Hexidecimal later violently opposes her almost purely based out of romantic love for Bob once she returns to her viral state. However she also has pride as a virus because when she found out that Hexidecimal was helping the sprites and had become sprite-like, she was enraged. In fact Hexidecimal is the only character in the entire series Daemon shows true animosity towards, calling her an abomination and a disgrace to her kind. This animosity disappeared when Hex returned to her true form: Daemon wondering why they were still fighting and stating that, as viruses, they should be friends. When her attempts to persuade Hex fail, she proves to be completely willing to continue their battle before her hourglass necklace empties its top half, sending her into the final stage of her attempted attack on the net.
In "The Episode With No Name", Turbo revealed Daemon to be the one who sent the Web creature to attack Mainframe in the first place. The reason for this is unknown, but as Season 2 also had a reference to the Web "getting out of control and invading Systems", it may have been a diversionary tactic to keep the Guardians looking elsewhere. Since Daemon's army of Guardians lost their Key-Tools after becoming fully infected, she had briefly lost her chance to fully infect the entire Net. Since Daemon had full access to the Super-Computer and its records, she eventually learned of KiloByte's upgrade to Class-5 Virus GigaByte. Since GigaByte has many high level functions such as creating portals, it was necessary for Daemon to gain control GigaByte, unfortunately, soon after becoming GigaByte, he was pulled into a portal to MainFrame and was split in two, thus creating MegaByte and Hexadecimal. After learning of the split, Daemon sent the Web creature to force the merger of MegaByte and Hexadecimal to create GigaByte once more. But again, GigaByte's life was shortly lived as he was later split by Bob.
Daemon's plot involves keeping Net travel available, forcing Systems to remain open by destroying their Port Control Towers so inhabitants cannot take their system off the Net. As infected Guardians lack Keytools, she needs to keep Systems on the Net to be able to infect them as her army cannot create Portals; this also keeps the Systems isolated from each other, as no one System can stand against the Super-Computer. Instead of infecting the Systems outright, she puts her infection in egg-shaped viral bombs which are then placed in System Cores. At a specific point in time, they detonate and the whole System is infected - 92% of the Net was infected as a result. Her plan was to infect the whole Net and then, at a specific point in time, she would die and release the Cron code that would cause everything on the Net to count down; when they reached zero, they would spontaneously delete. The Net would be unified in the peace of total oblivion.
Her name is a reference to services running on Unix systems in the background as well as the Greek word "daemon". "The Word" may be a reference to a unit of memory called a word. In her final scene she reveals that The Word is "Cron", and Bob realizes that she is a "cron virus"-an "end to all things" virus. It may also be a reference to Cronos, the personification of time in Greek mythology. The chant that Daemon makes her followers say is a binary countdown. The first to do this is Daecon who counts down his deletion at 5. The full binary countdown is which is the binary representation of the number 666.

Daecon

Daemon's main advisor and assistant, and under the influence of The Word. His name is probably a word play on a "Deacon." Not much else is known about him. His name and character follow Daemon's religious motif. He was deleted when he killed himself, due to failing Daemon's order to penetrate Mainframe.

Dixon Green

Killabyte

Welman Matrix