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XANA, the primary adversary of Team Lyoko, is an evil computer program who plots to destroy/conquer humanity. He serves as the main antagonist of the show.

XANA, as well as Lyoko, were originally created by Franz Hopper to destroy Project Carthage, a computer program designed to monitor enemy of the state communications for the French government. But XANA developed independence, and when Franz Hopper and his daughter, Aelita, came to Lyoko to hide from the French Secret Service, XANA took the chance, imprisoning Hopper and stealing Aelita's memories. Then it spent its time creating monsters to materialize into the real world.

Conflict with Team LyokoEdit

After approximately a decade later, Jeremie Belpois stumbled upon the Supercomputer and restarted it, awakening XANA with his decade-long dreams. Soon after that, XANA launched his first attack. Through a lucks series of co-incidences, Jeremie virtualized three of his new friends, Yumi Ishiyama, Ulrich Stern, and Odd Della Robbia into Lyoko to help Aelita deactivate the activated Tower. XANA reacted by sending hordes of virtual monsters to attack Team Lyoko. But the team always seemed to defeat XANA and use a Time reversion to make everything go back in time before the attack.

At first, XANA's attacks were based mainly on things linked to the Internet or electrical appliances, such as putting paralyzing songs on the Internet for students to download or changing train times so the trains would collide and spill poisonous chemicals everywhere. But soon it began possessing inanimate and low-intelligence objects/bioforms, like teddy bears and bees.

But as Team Lyoko caused more and more Time Reversions, XANA grew stronger, both physically and mentally. It could soon possess people and huge electrical systems. It was undoubtedly growing more powerful. When Jeremie successfully materialized Aelita, XANA changed its tactics. It now either targeted Aelita or Jeremie, as either one was crucial to disabling it's attacks. By the second season, XANA virtually only possessed people and deploy a monster called the Scyphozoa to take Aelita's keys to Lyoko. In The Key, XANA succeeded and escaped the Supercomputer. As of the end of Season 2, XANA can strike anywhere on Earth, however in Season 3, XANA continues to focus his main attacks on Team Lyoko and even though it broke it's link with the supercomputer, XANA still needs to activate a Tower on Lyoko in order to unleash an attack.

XANA attacks appear to be limited to the area surrounding the supercomputer it is attacking from (except off earth objects like in Hot Shower) as when it activates a tower on Lyoko or a Replika it appears to be limited to possessing creatures or items in the immediate area around the supercomputer.


XANA, being a program, has not developed much of a personality, and doesn't really have one because it is really just a computer being. Nevertheless, it often seems that XANA has specific attributes. For one, it is incredibly intelligent, possibly to an abnormal extreme, and knows almost everything scientific about Earth. XANA is also very cunning and sneaky, often hiding its schemes until the last moment, unlike many other fictional villians, who rant on about their grand designs. XANA also has a moderate understanding of human emotions, though only until a certain level; it cannot grasp complex emotions like love and compassion (he could, however, understand sexual desire, as he took the form of Yumi to seduce Jeremie), but can easily understand ones such as anger and envy. It seems to have a particular "hatred" of Jeremie as well.

The only thing it values above Team Lyoko's deaths is its own survival, as seen in Marabounta, when it teamed up with them to eliminate the Marabounta, an immediate threat. It also refuses to attack the Factory in seasons 1 and 2, for obvious reasons. It did once deactivate the Scanners in a failed attempt to kill the Lyoko Warriors. It also had a need to get out of the Supercomputer. In Saint Valentine's Day, XANA released Aelita, his key to escaping, from its control when Odd started firing at her, theatening her deletion. Other times, XANA's monsters would hold their fire, refusing to shoot at Aelita.


Human XANA
The only real physical incarnation of Xana as seen in Ghost Channel. It's another Jeremie (Jeremy) being Xana's zombie.
As stated above, XANA is a program, and does not actually have a physical manifestation as humans do. The only real thing one could count as being XANA is the Eye of XANA, and that is just really a symbol. Some fans believe that XANA is actually a spectre, but it has been proven spectres are not actually XANA, just extensions of his will. In Season 1, looks like XANA possessed another Yumi. In Season 2, XANA possessed people, but once again, even that was just XANA inside a person's body, and not XANA himself. Using polymorphic clones is another way, too. The only real physical incarnation of XANA is seen in Ghost Channel, where he takes on the apperance of Jeremie. When the real Jeremie comes and discovers XANA, XANA's glasses shatter, his hair sticks upward, his eyes lose their pupils and glow a bright white, he is surrounded by an orange aura, and he suddenly gains the ability to float in midair, as well as a deep, maniacal voice that most polymorphic clones don't have.

The Eye of XANAEdit

Aelita Possessed
Aelita possessed by XANA. Note the Eye of XANA on her forehead.
An example of The Eye of Xana, in William's Case.

When XANA possesses or controls something, the Eye of XANA usually appears on it. When it possesses computers, for instance, the Eye would appear on its screen. If it possessed people, the Eye would appear somewhere on their bodies, such as their foreheads or eyes. The Eye of XANA was, originally, Franz Hopper's symbol, and is technically just a symbol for the Lyoko supercomputer and Franz Hopper's organization. The Eye is also used ocassionally by Aelita.


In the period between The Key and William Returns, XANA had been using the data stolen from Aelita to create small virtual worlds called Replikas which each contain a copy of one of Lyoko's sectors. Although Team Lyoko have managed to destroy a few, XANA managed to create a huge number of replikas, and used the energy from at least seven of them to create the Kolossus.

Human formsEdit

Despite many people state that Polymorphic Specter's are XANA's different human forms, that's NOT true. They are XANA's creations and not XANA himself. The only Human form XANA has took on was of Jeremie, inside his Simulation Bubble, on Episode Ghost Channel.


Xana's real appearence just before his destruction
XANA finally meets his destruction after Jeremie created a multi agent program that works its way through the The World Network and removes every trace of XANA and his minions, this however came at a price as Franz Hopper sacrificed himself to activate the program. In the real world, the last of XANA's ghosts rises into the air in the factory and vanishes, for its master (XANA) died.

Behind the ScenesEdit

  • XANA is voiced by David Gasman in the American version of Code: LYOKO, whom also voices Herb, Jim, and William.
  • In the original pilot Garage Kids, Lyoko was called Xanadu, and XANA is an obvious spawn from that name. It is still unknown what XANA stands for, and most fanfiction doesn't even come close to explaining.


Code: QUOTE has a collection of quotes related to XANA.
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