Descriptions:
Syaoran Li: 21, senior in college, chestnut-colored hair and amber eyes, cold attitude to everyone except for his close friends, master of martial arts, code-name is Wolf, majoring in physical education and minoring in Japanese
Eriol Hiirigizawa: 21, senior, computer genius and excellent detecting skills, he is the brains of their partnership, more friendly than Syaoran but sometimes could start laughing crazily, he is a distant cousin of Syaoran, an expert at jokes, read many books and even written a few, blue-black hair and dark blue eyes, normally wears contacts except wears glasses when undercover code name is Wiz, majoring in computers and minoring in science
Meiling Li Rae: 20, nicknamed Sparky for her personality and Red for her hair color, she has deep red-colored hair and gray eyes, she is extremely beautiful but is already taken (sorry guys), she is Syaoran's cousin she quit the FBI one year ago for marriage, she is extremely close to her friends and is a good friend to have, she is extremely protective and tries to do everything that she possibly can, when she was in the FBI she collected agents' repots, she is now a famous lawyer
Yelan Li: Syaoran's mother and Meiling's aunt, her business (Li Corporations) is a valuable asset to the FBI due to her ability to find trouble, she will be introduced later on in the story
Tomoyo Daijoubo: 19, an old friend of Meiling's, she was in the US for the past three years, she lives with her cousins Sakura, Toya, and Hitomi, she loves to videotape and take pictures as well as design, her mother owns a famous toy company, but Tomoyo has her own clothes line, for some reason she is afraid of boys due to an incident that happened earlier in her life, she has raven-black hair and amethyst-colored eyes, she loves doing ice-skating and swimming, majoring computers and minoring in psychology, senior in college
Sakura Kinomoto: 19, another friend of Meiling, she is Tomoyo's cousin, her older brother is Toya, and she is related to Hitomi somehow, she is frightened of boys as well, she models in Tomoyo's clothes line and is quite famous in the US, she loves to collect old cards, do gymnastics and ice-skating, she has auburn hair and emerald-green eyes, majoring in science and minoring in Chinese, senior in college
Ryu Rae: 21, Meiling's husband, he's a police officer
Toya Kinmoto: 27, Sakura's older protective big brother, the only question is why is he protecting her?
Hitomi Kinmoto: 3, a young girl who related to Sakura somehow, you find out more about her later
Camera/Designer and Flower/Card: two female FBI agents who vanished three years ago, Syaoran and Eriol are looking for them
Akito Mikani: 24, he made some trouble three years ago, he was arrested, but was released after two years, he then vanished; the two agents that had caught him (Camera and Flower) had vanished earlier
Yukito Tsukishiro: 27, an FBI agent, he has personal connections with the two missing agents, you learn more about him later
Julian Tsukishiro: deceased, was killed during the Mikani incident at age 17
Kerobus and Spinel Sun: two dogs trained to obey only their human partner, Spinel Sun (Eriol and Syaoran) Kerobus (possibly deceased?)
Commander Reed: Syaoran and Eriol's boss, has his own reasons for them finding the missing agents