Date of birth: October 10
Relatives: Kogoro Mouri (husband), Ran Mouri (daughter), Mr. Kisaki (father)
Her real name is Eri Mouri. She began to to use her maiden name again after she began living separate from her husband Kogoro Mouri. She also runs her law practice under her maiden name. In a recent hospitalization her name was displayed as "Eri Mouri" on the door.
Eri is a lawyer who often gets tangled in Kogoro's cases, usually serving as an extra pair of eyes when it becomes time to investigate a crime. Although she does not like Kogoro's attitude and personality (especially his drinking and skirt-chasing habits), she still deeply loves and cares for him, often testing him to see if he still cares about her as well.
Eri and Kogoro, like Shinichi and Ran and Heiji and Kazuha, had been best friends since childhood, falling in love in their teens. Ten years before the Detective Conan storyline starts, however, Kogoro and Eri separated and took different paths in their lives.Ran had believed that Eri had separated from Kogoro because he had shot her in the leg to get her away from a crazed serial killer, when in fact Eri had completely respected Kogoro for his decision, which she also believed was the correct one. She had actually left him when she had cooked him a gratitude dinner afterwards, which Kogoro assessed (perhaps rightfully) to be completely inedible.After this, Eri focused full time on her duties as a lawyer and has since become a highly respected (and feared) member of her profession, which in time even resulted in a movie based on her performance in court.
Eri is highly intelligent and has a sharp eye for details, and is also a skilled judoka, taught by Kogoro himself. She has proven on more than one occasion that she can lend a big helping hand in cases, and her deductions are almost always accurate.Ran often goes to Eri for advice, especially on Ran's relationship with Shinichi. Eri has often half jokingly said that her best advice for Ran is to never get involved with a detective.
In high school, Eri and her schoolmate and close friend, Yukiko Kudo, were involved in a "Miss Teitan High School" pageant, and were tied in the number of votes, due to the lateness of Kogoro. He had forgotten to vote, and by the time he had come to vote, it was too late.It was later discovered that due to his clumsiness, he thought that the "Miss" meant "mistake" and was going to vote for Eri as a result of that misconception, much to her anger later on.
Eri's personality suits her occupation as a lawyer. She is often very questioning, and gets herself involved in the investigation of cases along with Kogoro, much to his chagrin. She has a cat, a Russian Blue named "Goro," whom she cares for very deeply; in fact, Goro's name comes from "KoGORO" of Kogoro Mouri, since to her the cat and Kogoro both act very similar in some ways.Eri is also very close friends with her secretary, Midori Kuriyama.