Using his skills he got past the firewall and found Hex in her prison cell in the The two viruses engaged in a short battle with each other, Megabyte and his ABCs against Hexadecimal and her hordes of Nulls. Scuzzy found out about this plan and told Hex. (Just before they closed the portal, Megabyte put Bob into a missile.

Although there is no direct reference to this, some consider Hexadecimal to be a super virus because of her incredible viral powers and transfinite power reserves.

She was issued a System Icon, which effectively made her a system-protected "citizen of Mainframe". The masks change constantly in a slew of different ways, usually while obscured from the home viewer.

Instead, her primary motive is to simply cause random chaos for fun (and also to kill Megabyte, who kept trying to kill her, likely due to simple sibling rivalry). Unlike Megabyte, Hexadecimal wasn’t programmed to take over the computer; she was designed to disrupt all of the computer’s functions. He is impeccably dignified and sophisticated, however, and always wants to make a good impression, even when he is trying to infect the Super Computer. "Rather good, isn't it? When Later, she agreed to a short partnership with Megabyte. (To Mend and Defend) She was voiced by Shirley Millner.

Hexadecimal volunteers to download the cure and carry it to the entire the After declaring her love for Bob and asking Dot to take care of him, Hexadecimal then entered the Gateway Command and infected the entire Net with the cure, sacrificing herself, saving the Net and defeating Daemon.

The giant "Nullzilla" monster went on a rampage, as (according to Dot) the possessed-Hexadecimal was trying to escape. These masks also hold her power in check. She is a benign virus, meaning she does not infect other entities. However, he is also very sadistic, punishing his servants and taking sick pleasure in the agony of his enemies. She has transfinite power reserves, meaning that she has near limitless stores of energy to draw from, and as such, is quite powerful herself. Hex stopped Hexadecimal was now her brother's slave: at any time when Hex refused to obey his demands, he could remotely send an energy jolt into her to torture her, forcing her to follow his orders, though in her insanity she enjoyed it more than he would have liked. In all practicalities, her vast collection of masks shows her facial expression (thereby giving her a harlequin-like appea In return for this kind-hearted action, she gratefully sent him to Hex then went after Herr Doktor and his assistant, When Daemon makes it to Mainframe she rejects Hexadecimal as an abomination and a disgrace to viruses. Hexadecimal rules as the unofficial Queen of Chaos and Malfunction. 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. Biography. Megabyte can infect most anyone as long as he can get to their PID.

She even once nearly caused it unwittingly, when a Web Creature emerged from her mirror and possessed her.

Hexadecimal does have some abilities that some Super Viruses lack. Due to her power and insanity, her fun nearly always led to Mainframe crashing.

Certainly she faced the risks of her decision as a suicidal sacrifice for the greater good, her last action that of a hero. Her powers include energy beams and fireballs, altering gravity (once causing Bob to stop and hover in midair) and being able to fly, shrugging off severe damage and controlling nulls (sprites downgraded to slug-like status for losing to the User in a game). Ultimately successful, she is presumed decompiled and deceased.

Hexadecimal turned the hardware on the Principal Office, disabling its shields. Though under Megabyte's control, she had become more insane than before due to the injury to her mask. -Megabyte Megabyte is a power-hungry, egotistical, and ambitious virus from Mainframe.

With the help of Daemon eventually decompiles when her programming activates causing everyone infected by her to begin a countdown to deletion. When Bob returned to Mainframe, Hexadecimal kidnapped him. Her origin is revealed in the 4th season.

Her passion is chaos, not power and she is always concocting schemes to make life in Mainframe more difficult for everyone. Episodes 1 and 10 of season 2, and episode 4 of season 3 showed her mask changing on screen in an instant. Eventually, Hexadecimal grew bored of the fight and returned to her Lair in Lost Angles. Mainframe eventually decided to imprison Megabyte in his own sector. He nearly destroyed Mainframe but Bob managed to split him back into Hex, Megabyte, and the creature. He noticed her damaged mask and repaired it. Out of gratitude she not only developed an intense romantic interest in Bob, but to undo the larger danger of the super-virus Daemon, she spread herself onto the net to undo Daemon's internet damage.

The expressions shown in these masks can range from happy, sad, scheming, and even homicidal rage.

ReBoot was the first CG cartoon series that debuted in the 1990s. Hexadecimal is melodramatic and extremely emotional, able to switch emotions by a simple wave of her hand (which changes the mask she wears, and her emotions along with it). At one point, he put on an opera with a singing diva, and the high pitched voice shattered When it infected Megabyte, he searched out Hexadecimal and briefly rejoined to form Gigabyte. Eventually Bob the Guardian defragmented her coding, which "healed" her insanity, merging all her "expression masks" into a normal face as well as altering her outfit from mostly red to white.

All of the nulls sensed this danger and covered her completely. He was finally trapped behind an inverted Firewall that covered all of G-Prime.