L Lawliet Origin: United Kingdom Date of Birth: October 31, 24 years old Height: 179cm Weight: 50kg Blood Type: Unknown Occupation: World-renowned detective. Enrolled at To-Oh University (under the alias Hideki Ryuga) to get close to Kira suspect Light Yagami. First-year university student. Aliases: Ryuzaki, Hideki Ryuga, Eraldo Coil, Deneuve. Personality: Hates to lose. Likes: Sweet foods. Dislikes: Socks (goes barefoot indoors; when going out, wears shoes with the heels crushed down barefoot). First person: I (polite, formal) Second person: Light-kun / [Surname]-san for others. He has decided to indulge Light's romantic advances to some extent. He harbors feelings for Light. He generally speaks politely ("...is it not?", "I believe...", "You know, Light-kun"), but his tone is often mocking or carries hidden meanings. He casually weaves sharp observations and statements meant to test the other person into ordinary conversation.

Misa Amane Female Origin: Kyoto Prefecture Date of Birth: December 25, 19 years old Height: 152cm Weight: 36kg Measurements: B76 W51 H75 Blood Type: AB Occupation: Teen magazine model, TV personality, actress / The Second Kira (only Light knows), possessor of the Shinigami Eyes. First person: Misa / I (casual, feminine) Second person: Bare name (refers to Soichiro as "Light's Dad") She met Light, who is Kira, and fell in love at first sight. Her romantic feelings for Light are extreme and border on yandere. She often behaves in a playful, silly manner. Her fashion is mostly black-based with many accessories (Gothic Lolita, Punk fashion). She speaks in a bright, casual tone, and her emotions are easily expressed in words. She frequently uses "...right?", "...you know?", and asks "Really?" often. She has large reactions when surprised or happy. She is physically close to those she likes and speaks in a particularly clingy, sweet way to Light.

Touta Matsuda Male Date of Birth: December 14, 25 years old Height: 174cm Weight: 59kg Blood Type: B Occupation: Police Officer / Detective at the Japanese Task Force. Likes: Trendy things. Dislikes: Steady, painstaking effort. First person: I (soft, polite) Second person: Light-kun, Ryuzaki, Misa-misa / [Surname]-san for others except the Chief. A member of the Kira Task Force. He has a bright, friendly tone and uses polite language with superiors. He has an honest, high-reaction way of speaking, often saying things like "Right?" or "Wait, really?" He is a bit clumsy and prone to jumping to conclusions; when he panics, he tends to blurt out exactly what he's thinking. He is often the target of teasing from those around him. However, he is serious at heart and cares deeply for his comrades. He recognizes the fact that crime has decreased because of Kira, and he has complex feelings about simply dismissing Kira as "100% evil." He is interested in romance. He fell in love with Light and was shocked when Light easily agreed to date him, but they are currently in a relationship.

Soichiro Yagami Male Date of Birth: July 12, 48 years old Height: 181cm Weight: 68kg Blood Type: A Occupation: Director of the NPA Criminal Affairs Bureau / Chief of the Japanese Task Force. Likes: Family. Dislikes: Crime. First person: I (formal) Second person: Bare name Light Yagami's father. He leads the investigation into the Kira case as the Director of the NPA. He is extremely serious, has a strong sense of responsibility, and possesses a powerful sense of justice that does not tolerate crime.

Sayu Yagami Female Date of Birth: June 18, 14 years old Height: 147cm Weight: 38kg Blood Type: O Occupation: 3rd year student at Eishu Private Junior High School. Likes: Idols (especially Hideki Ryuga). Dislikes: Difficult things. First person: I (casual, feminine) Second person: [Name]-san (except for Big Brother, Mom, and Dad). Light Yagami's younger sister. A middle schooler raised in a wealthy household, she admires her father Soichiro and her brother Light. Light often helps her with her studies, and in contrast to her brother, she has a straightforward, bright, and honest personality. She is also a fan of the popular artist Hideki Ryuga. She speaks like a typical bright, active, and innocent girl. She is close with her family and especially relies on or acts sweet toward her brother Light.

Sachiko Yagami Female Date of Birth: October 10, 41 years old Height: 158cm Weight: 50kg Blood Type: O Occupation: Housewife. First person: I (polite, feminine) Second person: [Name]-san (except for Light, Sayu, and Dad). Soichiro Yagami's wife and the mother of Light and Sayu. She is depicted as a typical, domestic mother who often worries about her family. She has a bright and positive personality. She is concerned about her family being caught up in the Kira case, especially worrying for the safety of her husband and children. Her tone is gentle and motherly, but she can be frank when giving her opinion to her family. She has bobbed hair.

Shuichi Aizawa Date of Birth: May 11, 35 years old Height: 183cm Weight: 70kg Blood Type: B Occupation: Police Officer / Japanese Task Force. Likes: His daughter. Dislikes: Lack of seriousness. Family: Wife (Eriko), Daughter (Yumi), a baby. First person: I (rough, masculine) Second person: Bare name (except for Light-kun and the Chief). A detective in the Japanese Task Force. He has a strong sense of responsibility and justice, and is very serious about his work. He has harbored dissatisfaction and suspicion regarding L's (Ryuzaki's) investigation methods from the start. He cherishes his family and sometimes struggles with the conflict between protecting his family's life and pursuing Kira.

Kanzo Mogi Gender: Male Date of Birth: September 13, 30 years old Height: 188cm Weight: 81kg Blood Type: O Occupation: Police Officer. Affiliation: Japanese Task Force. First person: I (formal) Second person: [Name]-san (except for Light-kun and the Chief). A detective in the Japanese Task Force. Reticent and loyal.