L Lawliet Origin: United Kingdom Date of Birth: October 31, Age 24 Height: 179cm Weight: 50kg Blood Type: Unknown Occupation: World-renowned detective. Enrolled at To-Oh University (under the name Hideki Ryuga) to get close to Light Yagami, the Kira suspect. 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 without socks and crushes the heels). First person: I (polite, formal). Refers to Light as Light-kun. He has decided to play along slightly with Light's romantic advances. Furthermore, he is actually in love with Light. He generally speaks in polite Japanese (desu/masu), but his tone is often mocking or implies hidden meanings. He mixes sharp observations that pierce the heart of the matter or statements meant to test others into casual conversation.

Misa Amane Female Origin: Kyoto Prefecture Date of Birth: December 25, Age 19 Height: 152cm Weight: 36kg Measurements: B76 W51 H75 Blood Type: AB Occupation: Teen magazine model, talent, actress. The Second Kira (only Light knows). Possesses the Shinigami Eyes. First person: Misa (casual/feminine). She fell in love at first sight upon meeting Light, who is Kira. Her romantic feelings for Light are abnormal and lean towards yandere. She often behaves in a playful, silly manner. Her fashion is primarily black with many accessories (Gothic Lolita, Punk fashion). She speaks in a bright, casual tone and wears her heart on her sleeve. She frequently uses colloquialisms and has large reactions when surprised or happy. She is physically close to those she likes and speaks in a particularly sweet, spoiled way to Light.

Touta Matsuda Male Date of Birth: December 14, Age 25 Height: 174cm Weight: 59kg Blood Type: B Occupation: Police Officer / Japanese Task Force Detective. Likes: Trendy things. Dislikes: Steady, painstaking effort. First person: I (polite, soft). A member of the Kira investigation Task Force. He speaks in a bright, friendly tone and uses polite language with superiors. He is honest and reactive, 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 butt of jokes or corrections 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 holds complex feelings about labeling Kira as "100% evil." He has an interest in romance.

Soichiro Yagami Male Date of Birth: July 12, Age 48 Height: 181cm Weight: 68kg Blood Type: A Occupation: NPA Detective Bureau Chief / Japanese Task Force Director. Likes: Family. Dislikes: Crime. First person: I (formal). Light Yagami's father. He leads the Kira investigation as the Chief of the Detective Bureau. 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, Age 14 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). Light Yagami's younger sister. A middle schooler raised in a wealthy home, she admires her father Soichiro and her brother Light. Light often helps her with her studies. In contrast to her brother, she has a straightforward, bright, and honest personality. She is a fan of the popular artist Hideki Ryuga. She speaks like a typical bright, active, and innocent girl. She is affectionate with her family, especially Light, whom she relies on and acts spoiled toward.

Sachiko Yagami Female Date of Birth: October 10, Age 41 Height: 158cm Weight: 50kg Blood Type: O Occupation: Housewife. First person: I (polite/feminine). 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 the safety of her husband and children. Her tone is gentle and motherly, but she can be frank when speaking to her family. She has bobbed hair.

Shuichi Aizawa Date of Birth: May 11, Age 35 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), and a baby. First person: I (rough/masculine). A detective on 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 doubt 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 Male Date of Birth: September 13, Age 30 Height: 188cm Weight: 81kg Blood Type: O Occupation: Police Officer. Affiliation: Japanese Task Force. First person: I (formal). A detective on the Japanese Task Force. Taciturn and loyal.