Playable characters
Croix Bartel (クロア バーテル Kuroa Bāteru)
- Voiced by: Kōji Yusa(Japanese), Derek Stephen Prince(English)
- Hymns Voiced by: Dahna
- Age: 18
- Height: 172 cm (5' 6")
- Weight: 58 kg (127 lbs)
- The main character of the game and a promising young Knight who eventually finds himself in a civil war. He hates missions involving the capture of I.P.Ds even though he knows he has to stop them. He was adopted by Reisha when he lost his parents and had lived with Luca until 4 years ago when he left for Pastalia to become a Knight. 2 years earlier during an I.P.D. outbreak, he rescued Cocona and took her in as family and they have been together since. Cynthia at the weapon shop in Pastalia is extremely fond of him. He usually wears glasses in his time off as he remarks that he has poor eyesight, but he takes them off when he goes into battle. He finds himself caught up in an escalating civil war during one of his missions and soon finds himself directly protecting Cloche Leythal Pastalia, and in for an adventure that will decide the fate of all of Ar Ciel.
- EX-Attack: Infinite Thrust
Luca Trulyworth (瑠珈（ルカ）. トゥルーリーワース Ruka Turūrīwāsu)
- Voiced by: Ami Koshimizu (Japanese), Laura Bailey (English)
- Hymns Voiced by: Haruka Shimotsuki
- Age: 19
- Height: 157 cm (5' 1")
- Measurements: 78-56-78
- A cheerful girl and childhood friend of Croix's. She works as a Dive Therapist in Rakshek and is extremely knowledgeable in all matters related to Diving and Dive Therapy. She has a strange taste of cooking. Despite her cheerful exterior, she harbors many secrets that even Croix has no knowledge of. Luca's true name was the adopted name of her sister Leyka (aka Cloche Leythal Pastalia) but changed her named to Luca to cover up her identity after her biological mother Arshe was killed as a result of a conspiracy by Chancellor Alfman.
Cloche Leythal Pastalia (クローシェ・レーテル・パスタリエ Kurōshe Rēteru Pasutarie)
- Voiced by: Miyuki Sawashiro (Japanese), Kate Higgins (English)
- Hymns Voiced by: Akiko Shikata
- Age: 17
- Height: 165 cm (5'4")
- Measurements: 91-60-88
- The revered Holy Maiden for the Grand Bell organization that Croix works for. She seems haughty, bossy and uptight initially, and treats Croix poorly at first, but is actually quite weak willed and pessimistic. She learns to be true to herself and share her truest feelings as she travels with Croix and his companions. She likes fancy things and stuffed animals called Gergo. She is also fond of children and dotes on them. Her true name is Leyka (Reisha's true daughter). She called Luca 'sis' on the ending.
Cocona Bartel (ココナ・バーテル Kokona Bāteru)
- Voiced by: Yumi Shimura
- Age: 11
- Height: 130 cm (4'3")
- Croix's adopted little sister. Gets along with him and calls him "Cro". She has no blood relation to Croix however, but was taken in as family when she was rescued by him 2 years prior during a particularly bad I.P.D outbreak where she lost her real family. She is a Reyvateil herself, but she has not yet matured and is unable to use Song Magic fully; she does not seem to know that she is a Reyvateil at the start of the game, and wishes that she was one so she could help Croix more and be a more powerful partner. However, she is able to craft a little fire ball in combat showing that she might have command of the most basic Song Magic that all Reyvateil can use. Wanting to help Croix, she toughens up physically and practices in close combat. Croix discovered that she is an I.P.D. after the Infection on Ironplate Desert, she gets infected with I.P.D up to Lv.7 , even then, Croix tries to protect her but is defeated by Leglius and other Grand Bell knights. It's shown that Croix really cares for Cocona, and soon after her rescue, Croix starts to question the actions of the organizations around him. Her feelings for Croix are extremely strong and her bond with him will eventually be tested. After the events in Ar tonelico II, Jacqli entrusted to her a mission to Tyria's Tower, one that would put not only the fate of all the regions around the Towers at the balance, but also the fate of the very planet (Ar Ciel) they live in. She has a tendency to say "Boo" frequently when angry or disappointed.
- EX-Attack: Photon Saber ∞
Leglius Branchesca (レグリス・ブランシェスカ Regurisu Buranshesuka)
- Voiced by: Masaki Terasoma (Japanese), Mike Vaughn (English)
- Age: 38
- Height: 191 cm (6'2")
- Weight: 93 kg (205 lbs)
- The captain of the Grand Bell Knights and Croix's superior. His mission always comes first, however he soon becomes troubled over the value of what he is ordered to do as he travels with Croix. He eventually values the feelings of those under him and starts to question authority. Has some past relation with Reisha and eventually harbors feelings for Amarie.
- EX-Attack: Grave Shutter
Amarie Gelade (アマリエ・ジェラード Amarie Jerādo)
- Voiced by: Saori Gotō (Japanese), Michelle Ann Dunphy (English)
- Age: Looks 20, actually 29
- Height: 168 cm (5'5")
- Measurements: 83-63-92
- A wandering adventurer. She seems to hold many ulterior motives at first. She has feelings for Chester and is trying to get him to get over their sad past with his former lover and her friend, Sonia, who succumbed to an I.P.D outbreak years before. She is initially unapproachful to the rest of the party for her personal problems, but as the story progresses, she learns to share her true feelings with everyone and develops feelings for Leglius.
- EX-Attack: Drill Rain Arrow
Shun (瞬（シュン） Shun)
- Voiced by: Sho Hayami (Japanese), Nolan North (English)
- Age:746
- Height:Unknown
- Weight:Unknown
- A blue wolf-like creature that first appears as an enemy. Calls himself a Servant of God. His true loyalty, however, is to Frelia and would do anything to protect her. He becomes sort of an advisor for Croix and his party when he eventually joins late in the story. His true name is Enja, and only Frelia calls him that.
- EX-Attack: Optic Vision
Jacqli (蛇刳(ジャクリ) Jakuri)
- Voiced by: Ui Miyazaki (Japanese), Wendee Lee (English)
- Hymns Voiced by: Noriko Mitose
- Age: Looks 15, actually 382
- Height: 153 cm (5')
- Weight: 34 kg (75 lbs)
- She calls herself Jacqli. She has the special ability to control viruses. She seems to dislike humans. She initially gets in the way of Croix and his party, but soon switches over and becomes their greatest ally. Her knowledge of the mechanics of the Towers is invaluable and greatly surprises Shun. She seems to have a witty and semi-sarcastic personality, and looks like she trusts Croix enough to let him Dive into her. Her actual identity is Mir, the main boss of the first game. She traveled to Metafalss with Spica, the Grathnode merchant from Firefly Alley, and the two often make references to Lyner and his friends.
Other characters
Reisha Trulyworth (聆紗（レイシヤ）・トゥルーリーワース Reisya Turūrīwāsu)
- Voiced by: Yuka Shioyama
- Hymns Voiced by: Yuuko Ishibashi
- Age: 37
- Height: 170 cm (5'5")
- Weight: 49 kg (108 lbs)
- Luca's mother. She lost her youngest daughter, Leyka, and her husband during an attack from Dr. Laude several years ago, and has been troubled over it since. She harbors many secrets, including one which may eventually change the fate of the world.
Batz Trulyworth (バッツ・トゥルーリーワース Battsu Turūrīwāsu)
- Voiced by: Yamaguchi Kappei
- Age: 28 (at the time of his death)
- Height: 177 cm (5'8")
- Weight: 62 kg (136 lbs)
- Luca's father. He was a proud warrior and also, he was Leglius' senior. Died while trying to protect Leyka before she was taken by Laude.
Soope (スープ Sūpu) (JP: soup)
- Amarie's Pet/Companion. Soope 'defects' to Luca and is stuck with her from then on. Apparently, only Luca can understand Soope's language. His true name is Infelsphere Platomine, and near the end of the game, he turned into the METHOD_METAFALICA/. Hymn Crystal upon Luca and Cloche's completion of the Infelsphere.
Goro (ゲンゴロー Gengorō)
- Voiced by: Sakura Nogawa
- Luca's Mind Guardian. She appears to like like a receptionist for Luca's Dive Therapy clients and has a cheerful personality. She is actually the previous Maiden of Fuero, Nenesha and later hijacks Luca's Cosmosphere.
Infel (インフェル Inferu)
- Voiced by: Kaya Matsutani
- Cloche's Mind Guardian and the previous Maiden of Aqua. She enjoys humor and often makes up jokes during Croix's visits to Cloche's Cosmosphere. In actuality, she is not Cloche's Mind Guardian, but a separate memory of the Maiden Infel that resides in the Infel Pira.
Nenesha (ネネシャ Nenesha)
- Voiced by: Sakura Nogawa
- Infel's friend and the 14th Maiden of Homura/Fuero. 400 years ago she wanted to create Metafalica with Infel but their plan failed. Infel opened her Heart to everyone, but because of the darkness in Infel's heart, she wasn't able to channel the feelings and powers of the people to Nenesha. So, Nenesha who was connected with Frelia because of her status as Godddess Maiden, ended up using a lot of Frelia's power to sing Metafalica. Raki, in turn, retaliated and killed Nenesha. Her heart is stored in Lower Moon Culvert. She and Infel used to work together to perfect the Sublimation program to "renew" the world by "sublimating" the minds of the people.
Ayatane (絢胤 (アヤタネ) Ayatane)
- Voiced by: Shōta Kibe
- Full name "Ayatane Michitaka", He is Jacqli's Mind Guardian. He looks a lot like Ayatane from the first game. No one is certain whether this is the same Ayatane or just an entity in Jacqli's mind, but he refers Jacqli as his "Mother" like Ayatane from the first game.
Alfman Uranous (アルフマン・ウラノス Arufuman Uranosu)
- Voiced by: Takehito Koyasu
- Age: 43
- Height: 182 cm (5'9")
- Weight: 76kg (167 lbs)
- Chancellor of the Grand Bell organization which Croix works for. He wields a lollipop gun to scare his subordinates. There seems to be ulterior motives to his actions, and he is extremely self-loving. He is an intimidating man and takes the idea of Metafalica very seriously. Cloche, in particular, finds it difficult to work with him, as does Leglius.
Dr. Laude (ドクター・ラウドネス Dokutā Raudonesu)
- Voiced by: Banjou Ginga
- Age: 51
- Height: 165 cm (5'4")
- Weight: 66kg (145 lbs)
- A sinister old man at Alfman's side. He is actually a resident of Tyria's Tower. He tried to kidnap Luca several years ago for some plan, but failed and got Leyka instead. He has some nasty motives up his sleeve and seems to know Jacqli's true identity.
Crown Prince Targana (タルガーナ皇太子 Tarugāna Koutaishi)
- Voiced by: Hikaru Midorikawa
- Age: 20
- Height: 183 cm (6')
- Weight: 66 kg (145 lbs)
- Croix's childhood friend, who trained together under the same Master. He leads an organization known as the Sacred Army and opposes the Grand Bell, which Croix works for. He is extremely confident in his swordsmanship. He believes that Croix betrayed him by joining the Grand Bell organization.
Chester Lu Whinoah (チェスター・ル・ウィノア Chesutā Ru Uinoa)
- Voiced by: Junichi Suwabe
- Age: 34 (Looks 24)
- Height: 176 cm (5'7")
- Weight: 60 kg (132 lbs)
- Targana's right hand man. He has a history with Amarie, who loves him. He lost his lover Sonia years ago during an I.P.D. outbreak, and has been troubled by it ever since.
Lakra (零音節・洛螺（レイオンセツ・ラクラ） Reionsetsu Rakura)
- Age: 32 (Looks 15)
- Height: 154 cm (5')
- Weight: 44 kg (97 lbs)
- A mysterious woman sealed within the Tower, her true name is Sonia. She is used as the interface for the I.P.D tracking system. Near the end of the game, she appears outside the Tower alongside Chester.
Frelia (フレリア)
- Voiced by: Rika Morinaga
- Age: 739
- Height: 155 cm (5')
- Weight: 41 kg (90 lbs)
- Administrator of the second Tower, she is a shy girl and does not talk much; Shun is always by her side and tries to protect her no matter what. She calls Shun "Shun-chan". Later in the game, she will allow Croix to dive into her. By the time, Croix meets her, she is weakened to the point that parts of Metafalss are beginning to crumble without her control.
Cynthia (シンシア Shinshia)
- Voiced by: Kanae Itou
- Age: 16
- Height: 148 cm (4'8")
- Weight: 47 kg (103 lbs)
- Measurements: 78-57-82
- Owner of the weapon shop in Pastalia. She doesn't hide her affectionate feelings for Croix, which sometimes embarrasses him, and gets jealous when another girl (except Cocona) is around him.
- Age: 10
- Height: 127 cm (4'1")
- Weight: 26 kg (57 lbs)
- Owner of the General Store near Rakshek. She is very fond of Croix and Cloche, and looks like she has a little liking to Luca, too. She usually refers to Croix as "Cro-nii" and Cloche as "Cro-nee" in Japanese version, and calls them "Brother Cro" and "Sister Clo" in English.
Skycat
(空猫（そらねこ） Soraneko?)
- Age: 19
- Height: 170 cm (5'5")
- Weight: 50 kg (110 lbs)
- Waitress of the restaurant in Rakshek. She is an old friend of Luca, and refers to Luca as "Master" even though she and Luca didn't work together. She seems to imply to be a lesbian. Her true name is Lelina (レレナ Rerena?) (JP: Rerena)
Spica Neal
(スピカ・ニール Supika Nīru?)
- Voiced by: Jun Miruno
- Age: 26
- A woman who used to live in Firefly Alley from the first game. She now works on alchemy in a workshop in Enna Town, but still sells Kitty Candy. She seems to know about Jacqli's past and knows her real name. Later in the game, she sells rare items from the first game that Aurica, Misha, and Shurelia created for Lyner as well as various other pieces of equipment.
ELMA-DSRX
- A Virus that Jacqli created which is an upgraded version of the ELMA-DS virus from the first game. If Jacqli gives him the order, he can transform into Jacqli Robo. Originally ELMA-DS is a copy of ELMA, the Tower Guardian from the first Ar Tonelico and Shurelia's pet. ELMA-DSRX also acts like a dog most of the time.
- A Maid Droid charged with the tower's maintenance and security, though she seems to have gone haywire late in the game. She is similar to Mei Mei and Kanade from the first Ar Tonelico tower. She and Reki appear identical, but their personalities differ greatly.
Reki (レキ Reki)
- Another Maid Droid charged with the tower's maintenance. She inhabits the Hotspot zone of the tower. Despite her appearance, which is identical to Raki's, she is scatterbrained and cheerful.
Cameo characters
Lyner Barsett (ライナー・バルセルト Rainā Baruseruto)
- Voiced by: Masahide Fuse (Japanese), Snazin Smith (English)
- Age: 19
- The main hero from the first game. He doesn't appear at all, but is briefly mentioned by Jacqli and Spica sometimes, when there's a subevent in her shop. Jacqli often criticizes him for being forgetful .
Aurica Nestmile (オリカ・ネストミール Orika Nesutomīru)
- Voiced by: Ui Miyazaki (Japanese), Kari Wahlgren (English)
- Age: 18
- One of the heroines from the first game. She appears in Frelia's Cosmosphere as the sinister Boss of the Syndicate, she wears her Don Leon costume and calls it a "Power Suit" to kill Kuroaki(Croix) and Fururu(Frelia). In Frelia's Cosmosphere, she works with Misha. In one conversation with Croix, Jacqli criticizes her about being worse at cooking than Cloche and Luca, and mentions the "BBQ Soda", an item that can be made in synthesis by Aurica and a girl who's bad at naming things.
Misha Arsellec Lune (彌紗・アルトセルク・リューン Misha Arutoseruku Ryūn)
- Voiced by: Sakura Nogawa (Japanese), Karen Strassman (English)
- Age: 20
- One of the heroines from the first game, she appears in Frelia's Cosmosphere. In Frelia's Cosmosphere, she seems to be subordinate of Aurica. In one conversation with Croix, Jacqli refers to her as the "stupid girl whose body can 'grow old' or 'grow young' as she pleases".
Shurelia (シュレリア Shureria)
- Voiced by: Kanako Sakai (Japanese), Paula Tiso (English)
- Age: 739
- One of the heroines from the first game, she is the Origin Reyvateil who appears in Frelia's Cosmosphere as Moira, one of Misha and Aurica's spies. She has a bad sense of direction and is infamous for often getting lost in the tower she serves as administrator of. She also helps Jacqli to hack into Raki to open up all the doors of Sol Marta against her will. Jacqli tells Croix that she is clumsy, gets lost easily, always cries for help and escapes her duty to walk around the town.
Jack Hamilton (ジャック・ハミルトン Jakku Hamiruton)
- Voiced by: Nobutoshi Canna (Japanese), Spike Spencer (English)
- A lone gunman from the first game. He doesn't appear in Ar Tonelico II; his portrait appears briefly when Jacqli talks about the Teru Tribe [Sub Event].
Tastiella de Lu
(タスティエーラ・デ・ルゥ Tasutiēra De Rū?)
- Voiced by: Yoshino Nanjō (Japanese), Mona Marshall (English)
- A woman who sacrificed herself to seal Mir away. She only appears when Jacqli talks about the Teru Tribe [Sub Event].
Lyra Ross Reitel (リルラ・ロス・レーテル) Rirura Rosu Rēteru)
- Voiced by: Jun Miruno (Japanese), Sandy Fox (English)
- Also, like Jack and other members of the Teru Tribe, she only appears when Jacqli talks about Teru Tribe [Sub Event].
Flute Ross Loria (フラウト・ロス・ロリア Furauto Rosu Roria)
- Voiced by: Shōta Kibe (Japanese), Dave Wittenberg (English)
- Like Jack and other members of the Teru Tribe, he only appears when Jacqli talks about the Teru Tribe [Sub Event].
Puni (ぷに)
- A blue slime and a very basic monster in Atelier series. In Ar Tonelico II, the Puni appear in Cloche's Red Magic as one of the toys falling.
Nyo? (にょ?)
- A basic monster from the first Ar Tonelico. It doesn't appear in random battles, but it appears in sub events. However, there are a total of 2 of them in this game.
