William Dunbar [Code Lyoko]

Elisabeth "Sissi" Delmas is a student at Kadic Academy, and the daughter of the school's principal.She is a frequent participant in many of the Lyoko Warrior's adventures where she's showing her much nicer side, however, due to the returns to the past she sadly never remembers any of these encounters.Sissi is vain, snobby, and spoiled. Her jealousy and desire for admiration drive her to mock or scold others, ranging from younger classmates such as Milly or Tamiya to even her two closest 'friends' Nicolas and Herb. She is also very nosy, often willing to assert herself into any situation if she feels excluded or out of the loop. Sissi is pale-skinned and has long black hair. She wears golden hoop earrings, a yellow headband, a pink shirt that shows her midriff, a skirt over dark khakis and maroon shoes.Not much is known about Sissi's family life, except that her mother is still alive according to an interview with head writer Sophie Decroisette and possibly divorced from her father.[1] She is approximately 13 to 14 years of age, and in the animated series she is in the eighth grade (and later ninth). In the original scripts of False Pretenses, Sissi reveals to Aelita that she and her mother go shopping every other weekend. She likes Ulrich, though she tries to hide it, but she's the best with him. She mocks his group of friends, but Odd ends up making even more cruel jokes.

Jeremie Belpois (also spelled Jeremy Belpois or with an accented spelling Jérémie Belpois) is the main protagonist of Code Lyoko, a student at Kadic Academy, and the founder and unofficial leader of the Lyoko Warriors. He is Aelita's love interest.Jeremie is responsible, resourceful, and endlessly motivated to his objectives. His dedication to his work is driven by his devotion to his friends and to protecting the world from X.A.N.A.'s threats, and he is willing to take great risks in order to further his goals. Jeremie's confidence is a key part of the team's framework, and his ability to reassure his friends has gotten them through some of their darkest hours.Jeremie is a blond-haired bespectacled boy with a fair complexion. He usually wears black framed glasses.

For the first three seasons, Jeremie wears a blue long-sleeved turtleneck top and similar-coloured shoes, brown cropped trousers and no socks. In Season 4, he wears a similar turtleneck in maroon red, his longer (though still not full-length) trousers are moss green with blue stripes on the outer seams, and his shoes became navy blue with gray soles. In Evolution, he favours checked button-up shirts with the sleeves either short or rolled up to his forearm, with grey jeans and tan shoes. He likes Aeilita

Odd Della Robbia is a member of the Lyoko Warriors, and one of the two tritagonists of Code Lyoko.Odd is a blond-haired boy with a purple streak. Originally he wore his hair down, as seen in the prequel. After he was virtualized on Lyoko for the first time, he adapted the spiked up hairstyle of his avatar. According to the French version of Amnesia, he uses an extra strength gel to get it that way, and the script for The Key reveals he applies it while doing a handstandOdd was born in Italy into a family of artists, with his father being an opera singer and his mother working on films as a script supervisor.[3][4] He has five older sisters, who primarily looked after him as a result of his parents usually being away at their jobs.[5] Eventually the busy schedules of Odd's parents lead them to enroll him as a boarder at Kadic Academy in France when he was 12.In X.A.N.A.'s Kiss, Odd claims to have dated every girl in the eighth grade except for Aelita and Sissi. He has since (unknowingly) romanced Sissi through an online chat, and in the episode Replika pretended to kiss (and later break up with) Aelita for the sake of an elaborate ruseOdd is a blond-haired boy with a purple streak. Originally he wore his hair down, as seen in the prequel. After he was virtualized on Lyoko for the first time, he adapted the spiked up hairstyle of his avatar. According to the French version of Amnesia, he uses an extra strength gel to get it that way, and the script for The Key reveals he applies it while doing a handstandOdd was born in Italy into a family of artists, with his father being an opera singer and his mother working on films as a script supervisor.[3][4] He has five older sisters, who primarily looked after him as a result of his parents usually being away at their jobs.[5] Eventually the busy schedules of Odd's parents lead them to enroll him as a boarder at Kadic Academy in France when he was 12.In X.A.N.A.'s Kiss, Odd claims to have dated every girl in the eighth grade

Aelita Schaeffer (also known as Aelita Lyoko,EP26-EP27 Aelita Hopper, Aelita Stones, and MayaPrequel) is a member of the Lyoko Warriors, and the deuteragonist of Code Lyoko. She is a human girl who was virtualized onto Lyoko by her father Franz Hopper, before being awoken and befriended years later by Jeremie and the rest of the group. Aelita was eventually re-materialized onto Earth, where she became a student at Kadic Academy with the rest of her friends. She is Jeremie's love interest.Aelita's deep link with Lyoko makes her the most valuable member of the team, as she is the only one who can deactivate X.A.N.A.'s towers and stop his attacks on Earth (until the episode Spectromania where her friends also gained this ability).Aelita was born in the United States to Waldo and Anthea Schaeffer about two decades before the events of the series.[1] She lived happily with them at their chalet in the Swiss Alps where her father taught her how to play piano. Shortly after her parents gifted her a small elf doll named Mister Pück for Christmas, her mother was kidnapped by the Men in Black.As Jeremie Belpois is looking for parts for his robots in an abandoned factory seven years later in 2001, he eventually finds the supercomputer and restarts it. Aelita awakes almost immediately afterwards, but didn't remember anything about her past Aelita's hair is pink both on Lyoko and in the real world. Aelita wears different outfits at different times on Earth. Aelita is gentle, kind, compassionate, and intelligent far beyond her years. She is quick-witted and resourceful, as well as supportive and encouraging. Her bravery is beyond measure; at multiple points, Aelita was willing to shut down the supercomputer (and herself along with it) for the sake of her friends and the world.

Yumi Ishiyama is one of the two secondary tritagonists of Code Lyoko. She is a highly valued member of the Lyoko Warriors, and a student at Kadic Academy. She is the oldest member of the group (besides William), and one of the most serious and mature. She is both Ulrich and William's romantic love interest, as well as Aelita's closest friend.Yumi was born in Kyoto, Japan, and her family immigrated to France when she was young.[1] Her parents raised her under traditional Japanese values. She shows complete respect for her parents and dislikes having conflicts with them. She seeks to learn more about her country's culture from them and wishes to return to her Japanese roots later in lifeIn regard to Yumi's personality, her instant trademark is how she is shown to always prefer black clothes; her primary outfit in the series consisted of a black sweater which doesn't cover her belly button, black skintight jeans, and black boots. Her Season 4 outfit is like her sports clothes consisting of a dark graphite blouse and matching pants with a purple hem. She wears the same boots as in Seasons 1-3 (this being seen in Cold Sweat where when an embarrassing childhood Halloween photo of her is seen, she is wearing big black boots in the picture). In specific episodes, such as Teddygodzilla and Missing Link, it's seen that she typically owns clothing associated with alternative fashion subcultures such as goth, punk and emo, which use arm warmers and stripped patterns with muted reds and blues and buckles and belts.Yumi is calm and collected, preferring to get acquainted with people before opening up to them. She comes across as cold from a distance, but once trust is established she assumes a limitless fidelity towards the people whom she likes.She likes both Ulrich and William, but she treats them both quite badly, considering Ulrich a little boy and William a rude person and friendzoning them.

Ulrich Stern is a member of the Lyoko Warriors and a student at Kadic Academy, A quiet yet loyal friend, Ulrich is a skilled martial artist with a romantic interest in Yumi.Ulrich lives on the Kadic Academy campus, sharing a room with his friend Odd and Odd's dog, Kiwi.
He is in 8th grade for Seasons 1-2, 9th through Seasons 3-4, and 10th as of Evolution.Ulrich is a teenager with dark brown hair falling into bangs and dark eyes. In the first three seasons, he wears a tank top with a shirt over the top and cargo pants, all in shades of muted green, with white trainers.
In Season 4, his standard outfit changes to a dark green undershirt, a military style overshirt/jacket, blue jeans and gray sneakers.
Ulrich's original Lyoko form is closely styled after Japanese samurai, likely due to his interest in martial arts. His outfit has a Hannya mask on his back, which is used in Japanese Noh theater to represent a jealous female demon. He also has a single Katana sheathed on his left hip. In the fourth season, this changes to a form-fitting, futuristic styled yellow and brown body suit. He also gets a backpack like sheath for his double katanas.On Lyoko, Ulrich is an extremely effective warrior and is often known to be the best fighter among the group, which is shown in several episodes. With his saber, he can destroy any monster in close combat as well as deflect attacks. He is the only person whose abilities are short-range only, "since William also has Super Smoke."Ulrich is the introvert of the group, rarely expressing his feelings and acting evasive whenever someone asks him about himself or his family. He seems to have trouble opening up to people and hides his feelings in order to use them all the more explosively in action. However, this also makes him prone to "sulking" and being quick to irritability.
He really likes Yumi and he is jealous of her towards William, which is why you are arguing.

William has Caucasian skin, blue-black hair, and (what can only be described as) blue eyes, and wears a black T-Shirt with over a bright-red longsleeved undershirt, navy blue jeans rolled up to his knees, and brown boots. As of Season 4, his T-shirt is branded with a red logo, his pants are unrolled, he carries a black satchel, and wears a brown leather jacket that matches his boots.

On Lyoko, he was dressed in white and grey full-body armor with black accents, dark teel leggings and accents underlining his arms and hands, and pale cyan heeled boots. He also had a reddish magenta belt, spots on the medial malleolus of the tibias on his boots, and half handle on his zweihander (the other half being black), which had a triangular insignia on the apex of the hilt and a silver blade with spots of discoloration resembling Damascus steel and a single notch on the curve of the cutting edge.

After XANA enslaved him, he was completely redecorated in its own XANAfied image, with distinctive asymmetrical and punk elements: his overall color palette swapped to a darker color consisting of black and grey with red-magenta accents. His forehead and chest were branded with the sign of XANA and his white armor was replaced with a dark grey catsuit with silver, black, and reddish magenta accents. Other details consist of black sleeves concealed with dark grey gloves ending with striped bands on his deltoids, strips on his black boots resembling laces, a black corset like belt reaching all the way up to his ribcage and two leather buckled straps on his left thigh. His Zweihander was altered as well, changing the elegant triangular hilt to the XANA symbol engulfed with an infectious black growth giving it the exact likeness of a tower. Finally, he wore a large gray spiked gauntlet on his left arm, which had the unique ability to resist and even deflect other weapons.

William Dunbar is one of the two secondary tritagonists of Code Lyoko. He is the sixth member of the Lyoko Warriors, who fell under the influence of X.A.N.A. and served him for many months.

After first appearing in the second season of Code Lyoko as one of Yumi's classmates and love interests, William soon became involved in the adventures of the team, earning their trust long enough to be invited to join them in Final Round. However, on his first trip to Lyoko, he was possessed by X.A.N.A., who quickly turned William into his most powerful general and the group's deadliest foe.

William was finally freed in the episode Down to Earth, where he returned to Earth and attempted to make up for his past actions. During the events of the Code Lyoko Evolution episode Rivalry, he was officially accepted onto the team once more.William displays a laid-back interest towards almost everything, from classwork and school rules to his own interests and hobbies. The lone exception to this is his interest in girls; William was kicked out of his last school for posting love-letters around the entire school, and was no less theatrical when he arrived at Kadic. He claims that love can 'drive him crazy,' and jumps at any occasion to spend time with Yumi. He enjoys flirting and 'casually' bragging about his dedication to her, despite it never leaving an impact. In the few times his room was shown, music and art supplies were seen, implying he was artistically inclined.William was kind of a loner at first, having been kicked out of his previous school for posting love letters everywhere. At some point between the end of Season 1 and Season 2, he arrives at Kadic and quickly develops an interest in Yumi Ishiyama, his classmate. Upon first introduction, he already makes the effort to get paired with her for classwork and spend time with her. Yumi, for his fault, appears to enjoy his company.