Characters: The Great Mouse Detective

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"There’s always a chance, Doctor, as long as one can think."
Voiced by: Barrie Ingham

  • Adorkable: Basil, of all people, is this after Olivia's My Parents Are Dead moment. He gets very awkward and tongue-tied before snapping back to his usual self. Also the scene where he's awkwardly trying to cheer up Dawson. "I say...Dawson, old chap?" with a nervous smile.
  • Badass: He managed to befriend a dog.
  • Badass Bookworm: What do you expect from somebody based on Sherlock Holmes?
  • Break the Haughty: "Oh, it's finally happened, I've been OUTWITTED".
  • Bunny-Ears Lawyer: Like Sherlock, he may be eccentric, but he solves the case.
  • Cultured Badass: Being a Sherlock Holmes expy and an Omnidisciplinary Scientist, he shows skill in various areas such as science and history.
  • Deadpan Snarker: He has a good sarcastic humor.
  • Defrosting Ice King: Is pretty dismissive of Olivia and Dawson when first meeting them; eventually he warms up to the pair (even insisting that he does all his cases with Dawson).
  • Detective Animal: Naturally, he's a mouse. He currently provides the trope page image.
  • Disney Death: He falls from the clocktower, but manages to fly back up with a piece of Ratigan's contraption.
  • Distinguished Gentleman's Pipe: Sherlock Holmes is probably the Trope Codifier of this trope, and Basil is based on him.
  • Expy: A take-off of the classic Sherlock Holmes character.
  • Good Is Not Nice: Basil comes across as somewhat rude, especially early in the film, which makes him a good contrast to the Faux Affably Evil Ratigan. Fitting, since the original Holmes can be somewhat of a Jerkass Smug Snake himself at times.
  • Good Smoking, Evil Smoking: He smokes a pipe while Ratigan smokes a cigarette. And he switches to a cigarette for his "tough guy sailor" disguise.
  • Heroic BSOD: Basil undergoes a near-fatal one after he falls for Ratigan's trap.
  • Heterosexual Life-Partners: With Dawson.
  • Jerk with a Heart of Gold: Moody, rude and self-centered but undeniably a good guy. He does slowly grow out of his rude Jerkass attitude, as seen when he tries to comfort Dawson. Granted, he doesn't actually apologise for his rant, but it's clear from the look on his face that he regrets being so harsh.
  • Large Ham: The incredibly expressive, hyperactive unless quite visibly depressed, always overdramatic Basil.
    "Young lady, you are most definitely not accompanying us! AND THAT IS FINAL !!!
  • Nice Hat: The iconic deerstalker.
  • Nice Mice: He may not be nice, but he's still good.
  • No Social Skills: He is downright rude towards Olivia and seems to be very very uncomfortable while trying to cheer up Dawson.
  • Omnidisciplinary Scientist: Music, chemistry, physics, mathematics, botanics, zoology... He's a Sherlock Holmes expy, so this is a given.
  • Only One Name: Basil—notable because every other character has stated surnames. Most likely, Basil is his surname.
  • Running Gag: He constantly gets Olivia's surname wrong.
  • Sensitive Guy and Manly Man: The Manly Man to Dawson's Sensitive Guy.
  • Sesquipedalian Loquaciousness: Being the genius he is, Basil does this quite a bit, confusing or impressing Dawson at times.
  • Technobabble: Basil spouts some while analyzing Ratigan's Death Trap.
  • ˇThree Amigos!: Before Olivia gets kidnapped, he, Dawson, and Olivia certainly fit this trope while they're investigating the toyshop.
  • Title Character: Basil is the "Great Mouse Detective".
  • Tsundere: A minor Type A version. He starts out preoccupied, a bit detached from Dawson and Olivia, but they can bring out his sweeter, more empathetic side at times.

     Major Dr. David Q. Dawson 
Voiced by: Val Bettin

     Olivia Flaversham 
Voiced by: Susanne Pollatschek

     Professor (Padraic) Ratigan 
Voiced by: Vincent Price (The Great Mouse Detective), Corey Burton (audiobook), Maurice LaMarche (House of Mouse)

  • All There in the Script: His first name is Padraic.
  • Ambiguously Gay:
    • Exhibit A: The over-the-top melodramatic attitude.
    • Exhibit B: The way he stands and walks, which is very prominent in the "World's Greatest Criminal Mind" part.
    • Exhibit C: The hankies that he carries in his cape.
      • And let's not forget the way he talks to Felicia. He also seems to enjoy messing with Basil a little too much.
  • Arch-Enemy: To Basil.
  • Ax-Crazy: Towards the climax, when he's enraged. Not that he was particularly sane to begin with.
  • Badass: A rat that somehow manages to completely tame a cat deserves this distinction.
  • Badass Cape: As you can see on his image.
  • Bad Boss: He's generally affable towards his minions, but when one of his flunkies gets drunk and calls him a rat, he promptly feeds said minion to the cat, and threatens to do the same to his other minions unless they continue with his Villain Song.
  • Berserk Button: He despises being called a rat, even though he technically is one.
  • Big Bad: He's based off of Professor Moriarty, after all.
  • Boomerang Bigot: He hates rats despite being one himself and tries to pass for a "big mouse."
  • Bond Villain Stupidity: Justified. He explains that he did plan on staying and watching as his latest Death Trap did its work, but since Basil and co. showed up 15 minutes later than he planned, he doesn't have time to stay, and so he rigs a camera to capture Basil's dying moment instead.
  • Burn The Orphanage: "Worse than the widows and orphans you drowned?"
  • Cape Snag: Basil invokes this on Ratigan towards the climax.
  • Captain Ersatz: Professor Moriarty.
  • Card-Carrying Villain: Interestingly enough, his minions enjoy working for him because of this. And of course, he's also voiced by Vincent Price.
  • Child Hater: He's drowned an unspecified number of orphans, planned to eliminate orphans after becoming a king, and he's not nice towards Olivia. At all.
  • Complexity Addiction: He couldn't decide on a single way to kill Basil, so he opted instead to make a Rube Goldberg Device that used deadly instruments like a mousetrap, a gun, a crossbow, an axe, and an anvil all at the same time.
  • Dangerously Genre Savvy: When Ratigan learns that Basil is on the case, he realizes that it is inevitable that the great detective will eventually track him to his lair, so he sets a trap for him there. He also sets up a decoy trap in the bar that fronts his hideout so that Basil will easily avoid it and be lulled into a false sense of security.
  • Diabolical Mastermind: Defined by Basil as the "Napoleon of crime" (an obvious reference to Professor James Moriarty).
  • Disney Villain Death: His Karmic Death.
  • Evil Brit: Albeit with the American voice of Vincent Price.
  • Evil Counterpart: To Basil.
  • Evil Feels Good: Ratigan says that aloud quite a few times.
  • Evil Genius: As to be expected due to being Basil's archenemy.
  • Evil Is Bigger: Far larger than anyone else in the cast. This is because he is a rat.
  • Evil Is Hammy: Look at who voiced him. It's inevitable.
  • Expy: Ratigan is the Evil Counterpart to Basil, just as Moriarty is to Holmes.
  • Fangs Are Evil: He has a mouth full of noticeably jagged and yellowed teeth.
  • Faux Affably Evil: He comes off as rather cheerful and pleasant, especially when compared to Basil (who can be a bit of a smug Jerk Ass). However, he's also an evil criminal genius who's perfectly willing to threaten a child in order to get what he wants.
  • For the Evulz: He recalls that it was a "delightful dilemma" trying to decide on how to kill Basil.
  • Genius Bruiser: He's an evil genius...but is also strong enough to lift up Hiram with one finger and trounce Basil in a one-on-one fight.
  • Good Smoking, Evil Smoking: Ratigan smokes a cigarette (complete with long stemmed filter). His arch-nemesis Basil (as well as plenty of minor characters) also smoke.
  • I Am Not Weasel: He HATES being called a rat.
  • Insistent Terminology: He's a "big mouse." Which, amusingly enough, was what he was in the books.
  • The Irish Mob: Considering his first name is Padraic...
  • Karmic Death: Just as Ratigan used a handheld bell to execute his incompetent followers, he dies when the bell from the clock tower goes off.
  • Kick the Dog: When he breaks the toy Hiram made for Olivia. And later kicks Olivia herself.
  • Large and In Charge: He's significantly larger than his mooks.
  • Large Ham: He's voiced by Vincent Price, and is actually even hammier than most of his other characters. Also probably the hammiest of all Disney characters.
  • Last Name Basis : He's only known as Ratigan, the original book series reveals that his first name is Padraic.
  • Laughably Evil: It also helps that he's voiced by a man who plays laughably evil characters.

     Hiram Flaversham 
Voiced by: Alan Young

     Fidget the Bat 
"Ow! My only foot!"
Voiced by: Candy Candido

  • Adorable Evil Minion: Beside his violent evil nature, Disney meant for him to be both loveable and scary.
  • Bag of Kidnapping: Does this to Olivia.
  • Bat out of Hell: He's a bat, and he's one of Ratigan's henchmen.
  • Beware the Silly Ones: The first scene in the movie speaks for itself. Fidget might provide most of the films comic relief, but he can be downright brutal when he wants to be.
  • Butt Monkey: Ratigan has a tendency to treat Fidget this way.
  • Disney Villain Death: Ratigan throws him out of their blimp, and due to his bad wing he falls into the River Thames.
  • Distracted by the Sexy: Gets his pegleg stuck in a floorboard when he's too busy watching Miss Kitty's burlesque act.
  • The Dragon: He's Ratigan's right-hand-bat.
  • Evil Sounds Raspy: A rather extreme example.
  • Handicapped Badass: He has a peg leg, and a "broken" (mishealed? misshaped?) wing.
  • Hidden Depths: Despite his faults, Fidget had been shown various times to be quite competent. There's also the start of the movie...
  • Indy Ploy: The chase scene with Basil in the toy store demonstrates this quite well. Fidget really knows how to think on his feet(even if he only has one foot).
  • Not-So-Harmless Villain: Don't be fooled by his occasional bumbling and physical limits, he's far from harmless. The scene where he brutally beats up and kidnaps Hiram best demonstrates just how frighting and dangerous Fidget really is.
  • Scary Teeth: Which he uses occasionally during his ambushes.
  • Shadow Discretion Shot: The scene of Fidget and Hiram's fight was so brutal, that Disney made it censored by shadows. It can be also noted that Hiram's toyshop was left in chaos after the fight.
  • Violence Is Disturbing: In the scene where Fidget kidnaps Hiram. Along with the climactic fight between Basil and Ratigan, this is one of the most brutal and frightening scenes of the whole movie.
  • Would Hurt a Child: Perfectly willing to throw Olivia out of Ratigan's blimp to "lighten the load". It didn't work out as he had hoped.
  • You Have Failed Me: When he tires from pedaling the blimp's propellor, he suggests lightening the blimp, Ratigan does so... by throwing him off of it.

Voiced by: Frank Welker

  • Big Friendly Dog: The emphasis here is on big, since the main characters are mice.
  • The Big Guy: Much bigger than the other characters. While not sapient, he still helps Basil by carrying him around and following scent trails.
  • Canine Companion: He's the dog of Sherlock Holmes, but also a loyal friend to Basil.
  • Female Feline, Male Mutt: Male Mutt to Felicia's Female Feline, although they are enemies.
  • Heroic Dog: He helps Basil solve cases.

Voiced by: Frank Welker