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Dr. Hiroshi Agasa
Voiced by Kenichi Ogata (JP), Guillermo Romano (first Latin American Spanish dub), Jaime Vega (second Latin American Spanish dub, movies 1 and 2 only), Mario Santander (third Latin American Spanish dub), Tasio Alonso (first European Spanish dub), Javier Amilibia (second European Spanish dub, first part), Salvador Serrano (second European Spanish dub, second part and movies), Ryosei Tayama (Live-Action Drama Actor)Shinichi's next door neighbor who makes a living developing odd inventions; some of which are put to use by Shinichi throughout the series. Shinichi appears to have the utmost trust in him, having no problem of revealing his identity to Agasa only moments after being shrunk by the APTX-4869 pill.Later on, most of his appearances amount to playing the adult who looks after the Detective Boys, becoming the unintentional guardian of Ai Haibara (aka Shiyo Miyano) when said character shows up at Shinichi's doorstep, and providing insight for Shinichi to help combat the Black Organization.During most cases that involve the Detective Boys, Shinichi will force Agasa into the spotlight to explain the case at hand.Mandatory Naming Note: "Agasa" is the Engrish pronunciation of Agatha Christie.Phonological Note Dub Name Change: Hershel Agasa.
- Absent-Minded Professor: Most Triumphant Japanese Example.
- Badass Bookworm: While Professor Agasa doesn't engage in any violence in the series, he does create all of Conan's helpful and amazing gadgets.
- Big Fancy House: The mansion located next to the just-as-big Kudo home.
- Big Fun: A chubby old man with a heart of gold and a cheerful disposition
- Bunny-Ears Lawyer: His number one talent is inventing.
- Drink Order: He has a special love for tomato juice.
- Einstein Hair: Matches perfectly with his inventing skills.
- Friend to All Children: Frequently takes the Detective Boys out for fun.
- Gadgeteer Genius: He made Conan all those
- Herr Doktor: Drives a German car, a Käfer. In the dub, he has a German accent.
- Nice Guy: One of the nicest in the series.
- No Name Given: Averted, but not with a bit of Ass Pull. His given name, given as Hiroshi only later on, is an Alternate Character Reading of Hakase, the Japanese term for the title of Doctor, while devoid of the latter's connotations.
- Only Friend: He was this to his childhood friend, Fusae Campbell Kinoshita; he was the only one among their peers who didn't viciously tease her about her mixed ancestry.
- Parental Substitute: For Shinichi, to a degree. Even moreso for Haibara, who lives in his house and unlike Shinichi, no longer has any real family. She grows to love him like a real father and often tries to protect him above anyone else. He's even her cellphone background picture! It turns out he knew her dead parents.
- Secret Keeper: With the distinction of being the first person ever who found out about Shinichi shrinking into a child, who later became "Conan Edogawa".
- Smart Ball: Pocketed it. Shinichi said he never invented anything useful right in the beginning, yet he eventually became one of the most Gadgeteer Genius in anime without any further explanation (to the point where actual secret agents express jealousy at his skills). That being said, several of his inventions still do malfunction from time to time, but those are few and far between.
- Smart People Wear Glasses: Sports circular glasses and is a brilliant inventor.
- Star-Crossed Lovers: With Fusae Campbell Kinoshita.
- Trademark Favorite Food: Agasa has a special love for pasta.
The Detective Boys
Consisting of Conan, Haibara, Mitsuhiko, Genta, and Ayumi, they are a Five-Man Band of kid detectives.Mandatory Naming Note: Their group name comes from the group of the same name in Edogawa Ranpo's novels.Dub Name Change: The Junior Detective League.
- Five-Man Band:
- The Leader: Conan (Conan leads the investigations, but Genta insists on the credit.)
- The Lancer: Haibara, like Conan, is a genius adult shrunk to child form but her coldness contrasts his heroics.
- The Smart Guy: Mitsuhiko thinks he's the smartest because he's Locked Out of the Loop. He provides information Conan lacks.
- The Big Guy: Genta, the tallest and strongest (and chubbiest) of them.
- The Chick: Ayumi is a cheerful girl who's friends with everyone; even First-Name Basis with Haibara.
- Free-Range Children: The kids spend a lot of time wandering around without even nominal adult supervision. They regularly do things like take bus trips, canvas neighborhoods, and explore caves, forests and scary mansions alone. True, Conan and Ai are Older Than They Look, but almost any adult who isn't Professor Agasa doesn't know that since Conan and Ai look about seven.
- Limited Social Circle: They are rarely seen spending much time with classmates outside their group but Ayumi at least is shown with a list of her other friends. Justified with Ai and Conan, who simply don't have any reason to make more friends at elementary school.
- Love Dodecahedron: Genta likes Ayumi, Mitsuhiko likes Ayumi and Ai, Ayumi likes Conan, Ai is believed to like Conan and Conan is Ran-sexual.
- Oblivious to Love: Among the group, Ayumi is blissfully unaware that Mitsuko and Genta both have a huge crush on her. Conan knows Ayumi likes him, but dismisses his mother's suggestion that Ai also has a crush on him as absurd.
- Shippers on Deck: All of them prefer that Takagi and Satou became a couple. And after discovering that Kobayashi is Shiratori's "girl of destiny", they all were anxious for them to become a couple.
- Snooping Little Kids: The group together is mostly seen as this to grown-ups; particularly, the police department and Kogoro.
- They Are All Grownup: OVA 9.
- Tag Along Kids: Conan is pretty much followed by the three actual kids of the group, Mitsuhiko, Genta and Ayumi. Ai on rare occasions takes Conan's place here sometimes. Otherwise, she stands along side Conan.
Voiced by Yukiko Iwai (JP) / Monica Rial (EN), Erika Araujo (first Latin American Spanish dub), Claudia Mota (second Latin American Spanish dub, movies 1 and 2 only), Ximena Marchant (third Latin American Spanish dub), Geni Rey (first European Spanish dub), Pilar Mora (second European Spanish dub, first part), Marta Sáinz (second European Spanish dub, second part and movies)The one and only emotional girl of the Detective Boys before Ai Haibara joined the group later in the series.Dub Name Change: Amy Yeager.
- The Cutie: Most of the time.
- First-Name Basis: Ayumi is the only child of the group who calls Haibara by her first name.
- Hair Decorations: Always seen with a headband.
- Hopeless Suitor: For Conan, due to the latter's age problem. Though to her defense, it's more like admiration than crush.
- Nice Girl: Ayumi is shown to be a very brave girl and acts as the group's cheerful spirit.
- The Smurfette Principle: She was the only girl of the group before Haibara joined.
- Third-Person Person: In later chapters, Ayumi constantly refers to herself as such.
- Token Mini-Moe: Pretty self explanatory seeing how any other major or secondary female character in the series is either a teenager or an adult not counting the shrunk Haibara.
Voiced by Wataru Takagi (JP), Victor Mares Jr. (first Latin American Spanish dub), Jesus Barrero (second Latin American Spanish dub, movies 1 and 2 only), Alberto Salas (third Latin American Spanish dub), Enrique Hernández (first European Spanish dub), Lucas Cisneros (second European Spanish dub, first part), Pepe Carabias (second European Spanish dub, second part and movies)The big kid of the group who enjoys to eat, but isn't the brightest of the bunch.Dub Name Change: George Kaminski.
- Big Eater: Eats a lot for his age. Although he is fat.
- Big Ol' Eyebrows: Has thick eyebrows.
- Bridal Carry: Give one to Haibara in Movie 5 to stop her Senseless Sacrifice.
- Dumb Muscle: Seen to be the least intellectual of the group, but at least makes up for it for being the biggest and the strongest of the Detective Boys.
- Jerk with a Heart of Gold: Even though he is brash, outspoken and can be intimidating, Genta is actually very kind and dependable.
- O.O.C. Is Serious Business: During the Tragedy of the Pier in Plain Sight case (episodes 366-367/volume 45), his uncharacteristic action of fully concentrating on fishing (to the point of almost skipping lunch) turns out to be a secret plan to catch a rare fish for Professor Agasa's birthday.
- Sensitive Guy and Manly Man: The loud, tough Manly Man to Mitsuhiko's thoughtful, organized Sensitive Guy.
- Trademark Favorite Food: Unajuu, or eel on rice.
Voiced by Ikue Otani / Ai Orikasa (JP), Ivette Gonzalez (first Latin American Spanish dub), Miguel Ángel Ruiz (second Latin American Spanish dub, movies 1 and 2 only), Carolina Araya (third Latin American Spanish dub), María Rosa Guillén (first European Spanish dub and first part of the second one), Blanca Rada (second European Spanish dub, second part, first apparitions), Gema Carballedo (second European Spanish dub, second part, rest of the series, and movies)The lead boy before Conan joins the group who genuinely tries to provide Conan with legitimate feedback on cases that the group comes across; most of the time to no avail.Dub Name Change: Mitch Tennison.
- A Day in the Limelight: There have been a few episodes where Mitsuhiko solves the case before even Conan pieces everything together. Episode 303, "The Victim Who Came Back", notably features his deductions.
- Adorably Precocious Child: Besides Conan and Ai, Mitsuhiko is the most mature of his friends.
- Author Avatar: Gosho Aoyama has stated in an early interview that Mitsuhiko is modeled after his childhood self.
- Does Not Like Spam: Mitsuhiko has shown a dislike towards carrots.
- Lovable Nerd: Seen to be smartest of the children outside Conan and Haibara.
- Nice Guy: Mitsuhiko has shown to be a consistently polite young man. Due to his strict and formal upbringing by his parents, he tends to be very formal towards his elders, addressing them (in Japanese) with the formal suffix "-san" without regard to the intimacy of their relationship.
- Sensitive Guy and Manly Man: The thoughtful, organized Sensitive Guy to Genta's loud tough Manly Man.
- Wise Beyond His Years: Can be argued that Mitsuhiko acts quite sharp and clever for his age. One episode even has HIM solving the case!
- Youthful Freckles: Notable the only Detective Boy who has this.
Voiced by Naoko Matsui (JP) / Laura Bailey (EN), Rocío Gallegos (first Latin American Spanish dub), Sandra Pavón (second Latin American Spanish dub, movies 1 and 2 only), Josefina Becerra (third Latin American Spanish dub), Aurora Ferrándiz (second European Spanish dub, first part), Mercedes Espinosa (second European Spanish dub, second part and movies), Mayuko Iwasa (2006 Live-Action Drama Actress), Sayaka Akimoto (2011 Live-Action Drama Actress)The love-seeking daughter of a very rich family, and Ran's best friend. On rare occasions, mostly from cases that involves just her and Ran, Shinichi will put Sonoko to sleep and talk as her in a manner similar to how he uses Kogoro as the scrape-goat for explaining the case at hand.She eventually gains an actual boyfriend in the form of an international karate champion, Makoto Kyougoku, but still finds time to flirt with other men (Kaitou Kid in particular) to compensate for the fact that she can't handle being in a long-distance relationship.Dub Name Change: Serena Sebastian.
- All Girls Want Bad Boys: Subverted. While she's a big fan of Katiou Kid, it doesn't go anywhere deep and she's already in love with Makoto.
- Alliterative Name: Sonoko Suzuki. Also counts with her dubbed name (Serena Sebastian).
- Alone with the Psycho: At least twice.
- Berserk Button: Say all you want about this girl, but she strongly believes in The Power of Friendship and adores her buddies — specially Ran. So please don't harm your own friends! And even more so, don't kill them. She will get REALLY mad if you do.
- Brainless Beauty: Borderline case.
- Bully Hunter: As a child, Sonoko used to defend Ran from bullies.
- Butt Monkey: She really has extraordinarily bad luck at times.
- Childhood Friends: With both Ran and Shinichi.
- Damsel in Distress: Catches the Distress Ball more than once.
- Fangirl: Goes crazy when Kaitou Kid makes an appearance.
- The Fashionista: Especially seen in one case where Sonoko identifies the victims as belonging to the ganguro fashion sub culture upon seeing their pictures. She even distinguished what kind of ganguro they were!
- Forehead of Doom: Often noted to have a big forehead.
- Hair Decorations: Usually seen with a headband.
- Heterosexual Life-Partners: Ran Mouri's closest friend since childhood.
- Jerk with a Heart of Gold: With all of her shallowness and childish fits, she really cares for Ran, Makoto, her friends and family.
- Long Distance Relationship: With Makoto, a famous karate champion.
- Official Couple: With Makoto Kyougoku.
- Plucky Girl: She never ever gives up on what she wants.
- Running Gag: Her bad luck with men, until she started dating Makoto. Goes into Not Funny Anymore in 153-154, where she goes boy-hunting in Izu (with Ran and Conan in tow)...and the attractive boy who showers her with compliments turns out to be the AxCrazy killer of the week, driven by a hatred for blonde girls. She is rescued by Makoto, which marks the start of their relationship.
- Savvy Guy, Energetic Girl: The Energetic Girl (an easily emotional Genki Girl) to Makoto's Savvy Guy (adorkable and kinda more oblivious than the average "savvy guy").
- She Is All Grown Up: In the Stranger of 10 Years Ago OAV, she's not only Older and Wiser but is almost as much of a Type 1 Ojou as Ayako.
- Shipper on Deck:
- After being an antagonist against Ran/Shinichi, she practically refers to the couple as Husband/Wife, and about sending pictures to Shinichi regarding Ran to either make him blush or jealous.
- Sonoko laters ships the HELL out of Officers Takagi and Satou. In fact, is PISSED when Conan◊ interrupts what could have been Takagi and Sato's First Kiss...
- Sonoko also seems to think that Conan and Ayumi would be cute together.
- Shipping Torpedo: For a long time she's a Shinichi/Ran anti-shipper since she believes he's not good enough for her and she can't stand seeing Ran suffering because of Shinichi - for all Sonoko knows he's enjoying himself while her best friend is having a bloody miserable time. She later mellows out on this.
- Single Woman Seeks Good Man: Despite her flirty tendencies, Sonoko is only interested in Makoto. An incredibly polite, brave young man who rescued her from a serial killer.Sonoko: "Makoto-san is...absolutely fantastic and nice and is a good person!"
- Spoiled Brat: Milder than other cases.
- Spoiled Sweet: She's too flighty and childish to be The Ojou but doesn't flaunt her wealth around in an overly bitchy manner. In fact, she appreciates that Ran doesn't try to mooch off her.
- Tomboy and Girly Girl: One may think she's Ran's girly girl and her older sister Ayako's tomboy but Ran thing is more complex than that. Sonoko is less physically active and more boy-crazy/fashionista than Ran, but is also more outspoken and straightforward than her (Unless Ran's in tsuntsun more, yeah.) In fact, their friendship started when Sonoko protected Ran when they were children!
- Uptown Girl: Sonoko (her parents are the heads of an extremely wealthy and large company) and Makoto (was introduced working at his family's inn).
- Violently Protective Girlfriend: A more vocal example than most. Sonoko completely proclaims to Inspector Yamamura that Makoto isn't the murderer in a case, and continues to give him death glares when the idiot makes veiled comments that he believes Makoto to be the culprit.
Voiced by Hideyuki Tanaka (JP). Juan Zadala and Roberto Alexander (first Latin American Spanish dub), Jorge Lillo (third Latin American Spanish dub), Luis Grau (second European Spanish dub, first part)Famous mystery writer and Shinichi's father.He currently lives with his wife Yukiko in Los Angeles, but he and Yukiko drop by regularly to check on Shinichi.Mandatory naming note: Yusaku's name comes from Shunsaku Kudo (protagonist of the TV Drama Tantei Monogatari aka Detective Tales) and actor Yusaku Matsuda (who portrayed Shunsaku Kudo).Dub Name Change: Booker Kudo.
- Adorkable: He's a mystery writer who gets a bit too excited about mysteries. Also, his glasses rock.
- Always Someone Better: Among the few who can outsmart Shinichi/Conan on a regular basis.
- Awesomeness by Analysis: Yusaku possesses a very sharp intellect and observation skills, traits which his son inherited, though Yusaku's own abilities remain more well-honed. He demonstrates in multiple cases an ability to operate one step ahead of both Shinichi and criminals, but he chooses to not get involved unless Conan appears unable solve the case alone in time to save the intended victim.
- Badass Bookworm: Knows as much trivial info as his son, or even more.
- Badass Mustache: Has a pretty cool mustache.
- Brilliant, but Lazy: He is supposed to be an even better detective than his son and has even outsmarted him a couple of times, he'd just rather work as a writer instead. His relationship with Shinichi is a very clear Shout-Out to Sherlock Holmes and his older brother Mycroft.
- Famed In-Story: Yusaku is famous for his mystery novel series, Night Baron.
- Fanboy: His love of Sherlock Holmes is briefly explored in the non-canon 6th movie, The Phantom of Baker Street, wherein Yusaku and Agasa helped develop one of the Cocoon VR modules as 19th Century London and included Holmes, Watson, and Irene Adler as non-playable characters modeled visually after Yusaku, Agasa, and Yukiko, respectively.
- Guile Hero: He's good at catching criminals because writing complicated and engaging novels from a villain's POV gives him insight on details and human psyche.
- Happily Married: He and Yukiko are in a more stable marriage that Kogoro and Eri.
- Insufferable Genius: Yusaku knows he's a very smart man and constantly reminds everyone, or at least Shinichi.
- Jerk with a Heart of Gold: Can be pretty insensitive and an Insufferable Genius sometimes. Oh well, Like Father, Like Son.
- Meaningful Name: His first name translates to, "make abundance"; Yusaku is a world famous novelist who owns a Big Fancy House.
- Mystery Writer Detective: He writes the popular Night Baron stories.
- Savvy Guy, Energetic Girl: The Savvy Guy (a cool-minded Insufferable Genius who nevertheless loves his wife dearly) to Yukiko's Energetic Girl (a grown-up Genki Girl who loves him back but sometimes is quite tsundere towards him).
- Secret Keeper: He, along with Yukiko, know about Conan's true identity.
- Shipper on Deck: He teases Shinichi about his obvious love for Ran.
- Single-Target Sexuality: Even with his mild flirting to other women, Yuusaku has only had eyes for Yukiko. There's also how he modeled "Irene Adler" after Yukiko in the third movie; in the mystery game Yusuaku was Sherlock Holmes and Irene Adler was Holmes's one and true love.
- Slap-Slap-Kiss: With Yukiko, at their worst.
- Smart People Wear Glasses: He sports glasses and is sharper than his son.
- Strong Family Resemblance: Here is Yusaku in his 20's, sans-moustache and glasses.◊ The similarities between Dad and Shinichi went off the freaking ceiling with that.
Yukiko Kudo (nèe Fujimine)
Voiced by Sumi Shimamoto (JP) Anna Grinta (first Latin American Spanish dub), Laura Orlazábal (third Latin American Spanish dub), Esperanza Dómenech (second European Spanish dub, first part)Shinichi's mother, an old friend and rival of Ran's mother Eri, as well as a former teen model and actress; past jobs that have even brought upon her a connection to the Black Organization's member, Vermouth.She currently lives with Yusaku in Los Angeles, but they drop by regularly to check on Shinichi.Mandatory naming note: The name Yukiko Fujimine (藤峰) name is a Shout-Out to Lupin III's Fujiko Mine and Fujiko's first seiyuu, Yukiko Nikaido. An alias she used twice, Fumiyo (文代), comes from Fumiyo Akechi, wife of Edogawa Rampo's Kogoro Akechi.Dub Name Change: Vivian Kudo.
- Adorkable: Yukiko mixes this with One of the Kids, Tsundere, and being really damn pretty.
- Amazingly Embarrassing Parents: She's quite..... unique and hyperactive, to say the least.
- Berserk Button:
- Do not allude to her age! Or even call her "auntie"!
- If you're Yusaku, do not flirt with women in front of her!
- Beware the Silly Ones: Yukiko may be a bit of a ditz, but she's no slouch when it comes to action.
- Biker Babe: Catsuit included.
- Childhood Friends: With Eri Mouri/Kisaki.
- Clingy Jealous Girl: A married variant. One of her berserk buttons is her husband flirting with other women. At one point, it upset her so much she flew back to Japan to teach him a lesson!
- Crouching Moron, Hidden Badass: As air-headed and ditzy as she is, she's also an accomplished actor, who can fool just about anyone.
- Drives Like Crazy: Either in a car or her motorcycle, Yukiko pulls some dangerous, illegal stunts.
- Dude Magnet: Was and still is flirted by many men.
- Famed In-Story: She is a retired actress.
- Friendly Rivalry: She and Eri, despite not being in similar fields, were classmates and often engage in friendly competition.
- Friendly Scheming: Being at the same time a loving mother, a very mischievous person, and a Master of Disguise, Yukiko is really fond of playing those on Shinichi (the most prominent example being "Conan Edogawa Kidnapping Case"; though this time it was Yusaku's idea, so that Conan could realize the dangers of detective work and reunite with his parents in America).
- The Gadfly: She loves to tease.
- Happily Married: She and Yusaku are in a more stable marriage that Kogoro and Eri.
- Heterosexual Life-Partners: With Eri Mouri/Kisaki.
- Hidden Depths: For all her ditziness, she was once able to solve a crime with no evidence needed.
- Idol Singer: Before marrying Yusaku, she was a famous teen actress and beauty queen.
- Jerk with a Heart of Gold: While not on the same jerk-level as her husband and son, she does have a certain amount of immaturity and attention seeking nature. However, when the stakes are high she's able to show her bravery and loyalty.
- Let's Get Dangerous!: Usually acts quite childish, unless she needs to be serious.
- Master of Disguise: She has NOT lost her acting skills after retirement.
- Implied to have learned from the same master as Vermouth and to have studied with her.
- Even more so, she helped Shuuichi Akai to become this and then build his Subaru Okiya identity.
- Ojou Ringlets: She has the three prominent ones.
- One of the Kids: Yukiko's childish nature makes her get along well with children.
- Pride: She takes pride in being an excellent actress and a mistress of disguise, able to fool even close friends and family with her skills.
- Rapunzel Hair: Reaches past her waist.
- Red Baron: Became known as the "Night Baroness" because of her husband's work.
- The Rival: Has a friendly and ongoing one with her childhood friend, Eri.
- Savvy Guy, Energetic Girl: The Energetic Girl (a grown-up Genki Girl who loves him back but sometimes is quite tsundere towards him) to Yusaku's Savvy Guy (a cool-minded Insufferable Genius who nevertheless loves his wife dearly).
- Secret Keeper: One of few people who knows Conan is Shinichi.
- Shipper on Deck: For Shinichi and Ran. She even refers Ran as her future daughter-in-law! Needless to say, this caused Ran to blush.
- Tsundere: Specially seen in a certain two-parter where it turns out she came to Japan alone after a fight with Yusaku. Once they get involved in a case which Yusaku resolves, cue to her hilariously refusing to come back to the USA with him.
- Undying Loyalty: Yukiko is extremely loyal and cares for both her husband and her son (though a heavy streak of mischief causes her to often tease Shinichi). Her loyalty extends to her friends, as she thinks nothing of flying across the Pacific to help a friend from elementary school.
- Victoria's Secret Compartment: At one point, stuffed her son between her breasts to take him along for a bike ride.
- Woman Child: Often acts very, very childishly.
Voiced by Gara Takashima (JP), Rocío Gallegos (first Latin American Spanish dub), Monica Manjarrez (second Latin American Spanish dub, movie 2 only), María Luisa Benech (third Latin-American Spanish dub), Marta Sáinz (second European Spanish dub), Nene Otsuka (Live-Action Drama Actress)Ran's mother and the estranged wife of Kogoro. She's a very successful attorney.Mandatory Naming Note: The name comes from Ellery Queen; Kisaki means "Queen."Dub Name Change: Eva Kadan.
- Action Mom: Doesn't fight actively, but can defend herself when needed. Implied to have learned it from Kogoro.
- Aww, Look! They Really Do Love Each Other: Frequently with Kogoro. Pretty much whenever they meet, they spend the entire time nagging each other, but these episodes usually end with a clear indicator that they still care for each other.
- Badass Bookworm: Eri is one of the most skilled lawyers in the series and her deductions are very helpful in cases.
- Belligerent Sexual Tension: She and Kogoro are an adult version of the trope.
- Brainy Brunette: She has light brown hair and one of smartest adult in the series. She is shown to be a rather competent detective as well - which is why she makes a great lawyer!
- Can't Live With Them, Can't Live Without Them: With Kogoro. At one point, Kogoro even outright states that he cannot bear being separated from Eri and asks her to come back, but she pretends she didn't hear him because she's not ready yet. She ALMOST came back for Kogoro in The Day That Mouri Kogoro Ceased Being Detective. Thanks to Sayuri Tokomae however...
- Childhood Friend Romance: With Kogoro. They have known each other since elementary school and are now married, if estranged.
- Childhood Friends: With Yukiko. Also, with Kogoro, which developed into something more.
- Dude Magnet: Guess where Ran gets her looks from?
- Friendly Rivalry: She and Yukiko, despite not being in similar fields, were classmates and often engage in friendly competition.
- Genius Sweet Tooth: A lover of Swiss chocolate and her analytical skills are on par with Shinichi's.
- A Girl And Her X: A Woman And Her Cat. Eri owns a pet cat named "Goro".
- Graceful Ladies Like Purple: Her outfit is almost always a purple lawyer suit.
- Hello, Attorney!: A literal example. She's gorgeous and is a defense attorney.
- Heterosexual Life-Partners: With Yukiko Kudo.
- Lethal Chef: The real (and pathetic) reason why she separated with Kogoro; the guy is just too honest to tell her that her cooking sucks without giving a damn for what she feels. He actually wanted to force her to go to bed after a Shoot the Hostage situation that had her as the hostage and Kogoro as the one shooting, but she tried to cook for him despite having been wounded, and well...
- Meganekko: Though harsher than the standard.
- Nice Girl: Despite her friction with Kogoro, Eri does love him. Besides that, she's a consistently polite person.
- Parents as People: Eri deeply loves Ran, but her stubbornness in returning home because of her friction with Kogoro doesn't help out her daughter.
- Prim and Proper Bun: Her usual hairstyle except in some flashbacks when she was younger.
- Red Baron: Known as "The Queen of Courtroom".
- The Rival: Has a friendly and ongoing one with her childhood friend, Yukiko.
- Shipping Torpedo: Downplayed. Eri doesn't actively try to wane Ran's love for Shinichi, but she has often advised her to give up on him.
- Single-Target Sexuality: Whatever she may say, Eri has only ever romantically loved Kogoro Mouri.
- Smart People Wear Glasses: See her Teen Genius section and the fact that she has never lost a case in her entire career.
- Sugar and Ice Personality: She's a cold tsundere to Kogoro, but can show him her warmer side.
- Sweet Tooth: She likes chocolates.
- Teen Genius: She was one of the national top scorers when she was in high school, and actually turned down an offer to go to Harvard because of Kogoro.
- Trademark Favorite Food: Eri likes Zigoba, a brand of Swiss chocolates.
- Tsundere: She vehemently claims to hate the drunkard, gambling and womanizing Kogoro but she still wears her wedding ring and keeps on listening to his recorded voice on the Walkman asking her to come home and start over. She even named her pet cat "Goro" after him. In fact, she is always ready to come back to him once he quits his vices and starts to act like a responsible husband... but this IS Kogoro we're talking about.