List of Code Lyoko characters

The following is a list of characters from the animated television series Code Lyoko, created by Thomas Romain and Tania Palumbo.

Protagonists

L to R: Aelita, Ulrich, Yumi, Odd with Kiwi, Jeremy.

Jeremie Belpois

Jeremie Belpois (French: Raphaëlle Bruneau, English: Sharon Mann), nicknamed Einstein, is a top-of-the-class student who finds and starts the factory's supercomputer while looking for parts to build a robot. As part of the group, he specializes in programming new ways to defeat XANA and monitors the group while they are on Lyoko. Because he is not very athletic and is more computer savvy; Jeremie never goes to Lyoko. When going to the factory, he rides a scooter. He's the main protagonist and also the youngest of the group.

Aelita Schaeffer

Aelita Schaeffer (French: Sophie Landresse, English: Sharon Mann), better known as Aelita Stones, is the daughter of Franz Hopper (creator of Lyoko) and Anthea Schaeffer. Nicknamed "Miss Einstein" and "Princess", she is the second smartest of the group, closely following Jeremy. As a little girl, she lost her mother. When a group of suited men came to her home, the "Hermitage", she and her father fled and virtualized themselves on Lyoko. Between the virtualization and Jeremy's discovery of the supercomputer, XANA stole an important memory fragment that inhibited her from becoming human again. After this fragment is retrieved, she is no longer linked to the supercomputer. In Lyoko, she has an elf-like appearance, similar to that of "Mr. Puck", a toy elf from her childhood. After becoming human, she often has premonitions and nightmares of what is to come or what was. Until the third season, she has no defensive capabilities, thus her nickname, Princess. In the third season, she acquires the capability to produce an plasma ball called an energy field. In the fourth season, she acquires the ability to fly with wings. However, the ability she has from the start is being able to create terrain on Lyoko by singing. She is also enrolled in Kadic after full materialization. In order to eliminate problems, they give her the fake surname Stones. When going to the factory, she rides a scooter.

Ulrich Stern

Ulrich Stern (French: Marie-Line Landerwijn, English: Barbara Weber-Scaff) is one of the more laid back students who is expected to show potential in front of his parents. In his off-time he practices Pencak-Silat with Yumi, who "is a friend and that's all." Before Lyoko, he was annoyed with Sissy, so he often has to deal with or use her as the warriors deal with XANA and their own personal issues within the group. While in Lyoko, he is clothed in a yellow and black suit. His abilities in Lyoko include triplicate, which allows him to create two decoys of himself, Triangulate when Ulrich and his two clones form a triangle. While his silhouette runs between them, confusing the enemy. And supersprint, which allows him to run at a very high speed. His main weapon is a single sword, which increases to two in the fourth season. He is the second-least knowledgeable about using the supercomputer. He skateboards to the factory. He rides the Overbike when in lyoko.

Odd Della Robbia

Odd Della Robia (French: Raphaëlle Bruneau, English: Matthew Géczy) is the comic relief of the group. Odd is credited as having great potential when it comes to school, but rarely uses it, and gets bad grades due to his lack of studying. During tests, he generally cheats off of Jeremy. He shares a dorm with Ulrich and has a dog named Kiwi, which he hides in a dresser because pets aren't allowed at Kadic. He attempts to go out with girls, but his bad habits get in the way. Odd's hair has a purple spot and is upright, except for the first episode. He generally wears a purple hoodie and he is clothed like a cat when in Lyoko. His only ability and attack is laser arrow (although he does occasionally use an energy shield), which allows him to shoot arrows out of his arms, but he at one point possessed a form of foresight. He is the least computer-literate of the group and rides a skateboard to the factory. He rides the Overboard in lyoko.

Yumi Ishiyama

Yumi Ishiyama (French: Géraldine Frippiat, English: Mirabelle Kirkland) is a fairly reserved student who lives near and attends Kadic. She is of Japanese descent, and has one younger brother Hiroki. Because of her parents and culture, she must maintain good grades and observe family values. At home, she generally has to deal with marital issues between her parents. She has an older friend of William Dunbar, who transferred to Kadic during the second season. She practices Pencak Silat with Ulrich, but because of all the tensions created by Lyoko, she and Ulrich "are just friends and that's it." She always wears black, and on Lyoko she is clothed with a Geisha-inspired outfit with a big bowtie. Her only special ability on Lyoko is telekinesis, which she barely uses. Her weapons are two Japanese war fans that act like razor-sharp boomerangs that function like fast-moving discus when thrown. In Code Lyoko: Evolution, she gains a new and improved weapon-a bo staff. She has also the most knowledgeable about using the quantum supercomputer besides Jeremy, until Aelita becomes completely human. She skateboards to the factory but rides the Overwing on Lyoko.

William Dunbar

William Dunbar (French: Mathieu Moreau, English: David Gasman) is an overconfident student at Kadic Academy who often fights Ulrich for Yumi's attention. When he was first introduced in the series he was shown to be a loner, however Yumi soon sees him as a friend and he soon develops feelings for her. Despite his rifts with the other Lyoko Warriors, he becomes the closest thing to a trusted ally they have. Although Jeremy, Ulrich, Odd, and Aelita initially voted in favor of his joining them, they are unable to reach consensus due to Yumi's disapproval. Eventually, however, the vote becomes unanimous when William's membership is necessary. On his first mission in Lyoko, he is captured and possessed by XANA, who ensnares William as its puppet. From that point on, a clone of William, created by Jeremy, is used to pose as the real William until Jeremy is able to free him. Unfortunately, Jeremy's program is extremely malfunction-prone, causing the William clone to act either abysmally unintelligent or unpredictable and dangerous. Near the end of the series the clone starts developing several human-like traits, which he eventually uses to help the warriors. In Lyoko, William carries a giant sword and has a white outfit, which becomes black when he is under Xana's control. He travels to the factory on foot and is unknowledgeable on how to use the supercomputer.

Antagonists

XANA

XANA (also spelled as X.A.N.A.) is a demonic, sentient artificial intelligence/multi-agent system that serves as the main antagonist of the series. It was originally created and programmed by Franz Hopper in the 1990's, designed to destroy Project Carthage - a military software system that Franz Hopper had previously been closely involved with. He mentions that his motives were to prevent the French government from obtaining access to Project Carthage. Unfortunately, due to his repeated returns to the past, XANA grew stronger and smarter until it eventually became sentient; choosing to rebel against Franz. It then trapped Franz and his daughter Aelita inside Lyoko. Luckily, Franz was able to shut down the supercomputer to trap XANA and prevent it from wreaking havoc on the real world.

XANA displays no mercy whatsoever towards those who stand in its way, waging attacks through Lyoko structures known as Towers into the real world, often attempting mortal harm against the main characters. It usually programs monsters inside Lyoko in order to prevent the heroes from deactivating the Towers and ruining his plans. It uses the Towers to control electricity, and access the network so it can launch attacks on Earth. It has the ability to conjure living energy creatures called spectres, which allow it to take possession of any computer system, physical objects, and/or living things. Whenever a human is possessed by XANA, that person is given advanced powers that appear supernatural, such as increased strength, speed, and endurance, manipulation of electricity, influence over objects and devices, phasing through walls, levitation, etc.

Being a computer program, XANA has no actual physical form. Despite a symbol called the Eye of XANA constantly symbolizing its presence, it never actually confronts the Lyoko Warriors in person.

The only known physical incarnation of XANA appeared in the Season 1, episode titled "Ghost Channel"; where after having its disguise as Jeremy being exposed, he transformed into a demonic caricature figure of Jeremy and it and tried to kill all of the Warriors. XANA's voice was provided by David Gasman in this episode.

Monsters

There are many types of monsters in Lyoko, that XANA programs in order to guard the towers he activates and battle the group. Some are a mere nuisance while others are a major threat. The weakest ones make up for this fact by traveling in packs. All of them, however, try to impede the group. The monsters remain until they are destroyed or a return trip is activated. XANA has twelve types of monsters: Krabe, Blok, Kankrelat, Megatank, Hornet, Creeper, Kolossus, Kongre, Sharks, Manta, Tarantula and the Scyphozoa.

Other monsters exist that do not fall into the same category as XANA's monsters. One is a monster Jeremy produced, called the Marabounta, which only appeared in episode 36. There is also an entity known as the Transport Orb. It is a giant white sphere with an Eye of XANA printed on it, like all of XANA's monsters. Unlike the other monsters, however, its only purpose is to transport passengers from the edge of any sector to the center of the fifth sector, Carthage, and back again. Both Jeremy and XANA can access it at will. This entity's classification as a monster is arguable, but it is included for the sake of completion. Also, there are monsters located in the Digital Sea. These monsters must be destroyed using torpedoes shot from the Skidbladnir or Nav Skids. There are also Guardians whose purpose is to trap beings inside it.

Supporting characters

Franz Hopper

Waldo Franz Schaeffer (French: Mathieu Moreau, English: Paul Bandey and Alan Wenger), better known as Franz Hopper (after he legally changed their family's last name), is the creator of both Lyoko and XANA, and was involved in the creation of Project Carthage. Formerly a science teacher at Kadic Academy, he vanished suddenly while living in a house in the school park called the Hermitage. In a nearby abandoned factory, he constructed the supercomputer on which he created Lyoko, only to be intercepted by XANA during his and Aelita's virtualization. Franz was forced to shut the supercomputer down, until it was discovered by Jeremy Belpois nearly ten years later. In the final episode of the cartoon, he dies in Lyoko, allowing Jeremy to bring XANA down once and for all.

Jim Morales

Jim Morales (French: Frédéric Meaux, English: David Gasman) is the physical education teacher for Kadic Academy, although it is never explicitly revealed what his entire occupational history is. His meticulously half-secretive past, which may or may not be accurate, is one Jim is particularly proud of, typically digressing from his lectures in order to reminisce on stories of his youth. Jim is often suspicious of the Lyoko Warriors, despite wishing to be friends with them. On several occasions, Jim has discovered the existence of Lyoko or XANA and displayed his helpfulness and willingness to keep a secret, however his memories have always been reset by a return to the past.

Sissi Delmas

Elisabeth "Sissi" Delmas (French: Carole Baillien, English: Christine Flowers and Jodi Forrest) is the daughter of Kadic's principal, she is a sissy-like girl who has a crush on Ulrich and is always looking to get the Lyoko Warriors in action. Sissi and Odd quite often tease each other, with Odd making clever comebacks whenever Sissi says something dumb (which is often) or whenever the need her to go away. After Aelita becomes human she often does the same. Sissi is often followed by two other boys who she resents, but uses to her advantage. The prequel of the series shows that she was a Lyoko Warrior but was kicked out of the group after breaking her oath to keep the supercomputer a secret. Therefore, her memories of Lyoko were erased and she was replaced by Yumi.

Jean-Pierre Delmas

Jean-Pierre Delmas (French: Bruno Mullenaerts, English: Alan Wenger) (known by the students at Kadic as Mr. Delmas, to Sissi as Daddy or Dad) is the headmaster/principal of Kadic. He is easily controlled by his daughter Sissi, sometimes to the advantage or disadvantage of the Lyoko Warriors. She has convinced him many times to organize school dances and other activities for her (or rather, has demanded for him to do so). He has shown in his dealings with staff and the Lyoko Warriors that he can be stubborn and incredibly ignorant at times; especially when members of the Lyoko Warriors are trying to convince him of any dangerous supernatural activity caused by XANA.

Suzanne Hertz

Suzanne Hertz (French: Nathalie Stas, English: Jodi Forrest) is a science teacher at Kadic, who appears to teach most branches of grade-level science. She is notable for being the only teacher to organize field trips in the series, which happened on several occasions. She is the primary academics teacher shown in the series. She has shown a dislike of Odd and Ulrich; but a liking to Jeremie, and later Aelita.

Hiroki Ishiyama

Hiroki Ishiyama (French: Guylaine Gibert, English: Barbara Weber-Scaff) is the younger brother of Yumi who is admitted to Kadic during the third season. He is often creative and is curious about what is going on between Yumi and Ulrich. When Yumi asks him to do her a favor, at minimum she must do his homework for a week. Although Yumi is usually annoyed by Hiroki, she still loves him, as shown on numerous occasions.

Herve Pichon

Herve Pichon (French: Bruno Mullenaerts, English: David Gasman), better known as Herb, is an eighth grader (ninth grader in season 3 onwards) at Kadic and a classmate to the Lyoko Warriors. He is the second-in-command of Sissi's Gang, and sometimes even the boss in times of emergency when Sissi proves to be incompetent, as he is obviously the most intelligent in their group. Herb is also in love with Sissi, although he can't tell her because she has crushes on various people including Ulrich and Theo Gauthier. He has also shown an intense competition with Jeremie over who is smarter, though he has mostly been disregarded.

Nicolas Poliakoff

Nicolas Poliakoff (French: Carole Baillien, English: Matthew Géczy) is an eighth grader (ninth grader in season 3 onwards) at Kadic. He is a member of Sissi's gang, and mostly just stands there staring into space unless Sissi orders him to follow her. His characteristic speech includes pauses and 'uh' before speaking. It is still unknown why exactly Nicolas joined Sissi's "gang", but it is probably due to the fact Herb did. Nicolas also has a crush on Aelita, but has never acted on it. He can play the drums, and is in the Pop Rock Progressives, a band started by Odd. As a result, he is certainly more tolerant of and kinder toward the Lyoko Warriors than Herb and Sissi are. In some episodes, it is shown he has at least some degree of intelligence, as he wrote the play in Laughing Fit. Nicolas is also easy to scare, as is Herb.