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The Mousekewitz Family
Voiced by: Phillip Glasser ("An American Tail", "Fievel Goes West", "Fievel's American Tails"), Thomas Alexander Dekker ("The Treasure of Manhattan Island", "Mystery of the Night Monster")
Fievel is the main character of the series. He's a fearless child, but his youthful curiosity often gets him into a lot of trouble, and he tends to get separated from his family on multiple occasions.
- Annoying Younger Sibling: In Tanya's point of view in the sequels. To be fair though he does tease her every so often.
- Her personality is different in every movie, she sees her brother as a nuisance mostly in the direct to video sequels, and mostly ignores him in "Fievel Goes West".
- Badly Battered Babysitter: In the Fievel's American Tails episode "Babysitting Blues", Yasha gives Fievel a little taste of what he put his own parents through in the first two movies.
- Break the Cutie: In the first film, the poor child has all of his hopes shattered, and vows to become a Street Urchin. Luckily he found his family and got better.
- Cute Little Buck Teeth
- Depending on the Writer: Circumstances could easily have kept Fievel from being as cheerful in the first movie as he was in the second. But his bravery falls to levels that are nearly Out of Character in the Mystery Of The Night Monster movie, considering how almost fearless he is in the other three.
- Flanderization: Like everyone in Fievel's American Tails. In the show his fascination with cowboys becomes one of his sole defining characteristics.
- Hand-Hiding Sleeves: Fievel has these thanks to his oversized red jersey, which make him seem cute and tell us that he's poor.
- Heartwarming Orphan: Not a technical example in An American Tail, but close enough.
- Infant Immortality: He's been able to walk away from how many cat attacks?
- Innocent Blue Eyes: In Fievel Goes West. In most of his other appearances he has black eyes.
- Leitmotif: Tanya even calls the song that Papa plays on his violin "Fievel's Song!"
- Mascot: Of Amblimation and of the Universal Studios theme parks for a while. He can still be seen dancing around with Woody Woodpecker and hugging small children occasionally at Universal Studios.
- Middle Child Syndrome: Averted. He'd have it if his parents paid more attention to Yasha. Being the only boy probably helps too.
- Nice Hat: Fievel is given one for Hannukah at the beginning of An American Tail, as a family heirloom and later an Orphan's Plot Trinket.
- Orphan's Ordeal: Goes through this without his parents ever actually dying.
- Tagalong Kid: Always manages to involve himself in even the most dangerous situations in the sequels (a shoot-out with Cat R. Waul's gang, an underground expedition for buried treasure, a search for a supposed monster that's eating mice), and no one ever stops him from tagging along.
- Snooping Little Kid: On both Warren and Cat R. Waul. Gets him into lots of trouble.
- Vocal Evolution: While Phillip Glasser voiced him.
Voiced by: Amy Green ("An American Tail"), Betsy Cathcart(when singing "Somewhere out There") Cathy Cavadini ("Fievel Goes West", "Fievel's American Tails"), Lacey Chabert ("The Treasure of Manhattan Island", "Mystery of the Night Monster")
Tanya is Fievel's older sister. Tanya is a dreamer, much like her brother. Her personality is explored mainly in Fievel Goes West, where we learn she wants to be a famous singer and actress. Her personality varies from movie to movie, however, as does her appearance.
- Absentee Actor: Happened quite a bit on Fievel's American Tails.
- Age-Inappropriate Dress: After her makeover in Fievel Goes West
- All Love Is Unrequited: Falls in love with newspaper editor Reed Daley in The Mystery of the Night Monster, only to have him ignore her for the most part and fall in love with reporter Nellie Brie.
- Bratty Teenage Daughter: More in the DTV sequels, though she may or may not be a teen in those.
- Cute Bruiser: Punches out one of the bad guys in The Treasure of Manhattan Island.
- Depending on the Artist: She looks different in every single appearance.
- Divergent Character Evolution: Tanya looks a lot like Fievel in the first movie, but not so much in the sequels, especially not Fievel Goes West.
- Fluffy Fashion Feathers: Wears a feather on her head after her makeover in Fievel Goes West.
- Furry Female Mane: Averts this in every movie but Fievel Goes West.
- Gut Feeling: Spends most of the first movie having a gut feeling that her brother Fievel is still alive.
- I Am Not Pretty: Tanya says this of herself in Fievel Goes West before Ms. Kitty gives her a makeover. She seems to get over it by movie's end when she washes her makeup off.
- Just the Way You Are: This is the moral of Tanya Mousekewitz's subplot in Fievel Goes West. She gets a makeover so she can sing at Waul's saloon, but after discovering Waul is actually evil and tried to kill every mouse in Green River, she remembers what her friend Miss Kitty told her, that the real woman is what's underneath the mask, and she washes her make-up off.
- Make Me Wanna Shout: Has the power to break glass with her voice.
- Non-Mammal Mammaries: Her more mature character model in Fievel Goes West
- She Cleans Up Nicely: She gets this kind of effect in Fievel Goes West after a makeover from Miss Kitty. Even the cats in the saloon take notice.
- Stay in the Kitchen: Mama and Papa agree to let Fievel go on the treasure-hunting expedition in The Treasure of Manhattan Island, but when Tanya wants to go they flat-out refuse. Tanya then complains that her brother always gets to go on adventures while she's stuck at home doing laundry.
- You Don't Look Like You: Her differing appearances in every installment.
Voiced by: Cathy Cavadini ("Fievel Goes West", "Fievel's American Tails")Fievel's baby sister. She's never a huge part of the plot, and often is inserted just to look cute. The animators even forgot about her halfway through the first movie.
- Living Prop: Seriously, in the third movie Tanya carries her through an angry mob and slides down a water spout with her, and she's still sleeping when Tanya finally hands her to her mother.
- Suddenly Voiced: By Cathy Cavadini in Fievel's American Tails
- What Happened to the Mouse?: In the first movie, she disappears half-way through.
Mama and Papa Mousekewitz
Mama Voiced by: Erica Yohn; Susan Silo ("Fievel's American Tails"); Jane Singer ("Mystery of the Night Monster")
Papa Voiced by: Nehemiah Persoff; Lloyd Battista ("Fievel's American Tails")
Fievel's parents. Papa likes to tell tall tales and wholeheartedly believes that there are no cats in America at the beginning of the first film. Mama, however, is much more down to Earth and isn't afraid to tell Papa when she thinks his stories are nothing but fairy tales.
- Character Development: Papa becomes much more stern and father like in the TV series.
- Deadpan Snarker: Mama does seem to enjoy being one every once in a while.
- Grass Is Greener: Papa is never satisfied with where they're living.
- Jewish Complaining: Mostly from Papa, at the beginning of both the 2nd and 3rd movies.
- Jewish Mother: While Mama Mousekewitz is a less extreme example, she does display a few of the common stereotypes from time to time. Also a literal Jewish mother.
- No Celebrities Were Harmed: Papa bears no small resemblance to Tevye (only mouseified).
- Parental Obliviousness: So, so many examples. They mean well, but they may be candidates for one the most irresponsible sets of parents ever portrayed in animation. In their defense though, they really should keep Fievel on a leash or something.
- They refuse to believe that Fievel is still alive in the first movie until the evidence is staring them in the face.
- They also won't listen to Fievel when he warns them about Cat R. Waul's evil plans in the second movie. Though to be fair, Fievel had also just told them that he'd run into a tribe of Indians where Tiger was worshiped as a god, so they believed that Fievel was delirious from heat stroke.
- Not only that but they don't seem to have a problem letting their son go out on dangerous adventures in the sequels. But God forbid Tanya join him on any.
- Speaking of which, they don't seem to mind the underage Tanya getting a job as a saloon singer at a bar full of cats either.
- Their parenting skills Take a Level in Dumbass in Fievel's American Tails, where in "A Case of the Hiccups" they allow Fievel to take candy from a stranger and give it to everyone in town, in "Babysitting Blues" they actually trust young Fievel to babysit Yasha (and she almost gets eaten by cats several times), and in "Little Mouse on the Prairie" they actually force Fievel to take Tanya and Yasha with him on a dangerous journey into the desert where they all get lost and almost die. As if they weren't used to Fievel getting lost whenever he sets foot outside by now.
- In The Mystery of the Night Monster, their idea of helping Fievel get over the recurring nightmares he keeps having about the alleged "night monster" is to have him join reporter Nellie Brie so he can hear eyewitness accounts of said monster attacking homes and "devouring" mice. Yeah, that's going to help him sleep better at night.
- They actually made a joke of that, later.
- Unnamed Parent: Somewhat averted. Papa is named Bernard in an episode of Fievel's American Tails. But his name isn't used outside that instance (and was probably invented for that episode).
Characters Debuting in "An American Tail"
Voiced by: Dom De Luise
The only nice cat Fievel meets, and one of his best friends. He's a bit cowardly but he can be brave when he wants to. He's also a vegetarian, so he never eats mice. Fievel Goes West is where he saw the most character development.
- Berserk Button: When anyone messes with Miss Kitty.
- Big Eater: Thankfully for the mice he mostly only stuffs his face with fruits and vegetables.
- Bootstrapped Leitmotif: "A Duo" becomes one for him in Fievel Goes West.
- Cats Are Mean: Don Bluth created him as an aversion to this trope on purpose so at least one cat would be nice.
- Fat Idiot: Most egregiously in Fievel's American Tails.
- Gentle Giant: Giant compared to the mice he usually hangs around.
- During some scenes, like when playing poker in the first film, though not some others, he's significantly bigger than other cats.
- Heel–Face Turn: A pretty quick one at that. One wonders what he was doing with the Mott Street Maulers in the first place.
- Ink-Suit Actor: Bears a resemblance to his voice actor Dom De Luise.
- Took a Level in Dumbass: Though he was never very bright, he was dumbed down to the point of Too Dumb to Live in Fievel's American Tails, with all of the character development he made in Fievel Goes West gone.
- Vegetarian Carnivore: He admits to enjoy an occasional fish, so that would make him a pescetarian. But he prefer's broccoli a lot more.
Voiced by: Pat Musick
A streetwise orphan that Fievel befriends in the first film while imprisoned in a sweat shop. After Fievel frees everyone Tony takes it upon himself to help Fievel find his family. He's largely absent from Fievel Goes West except for some blink-and-you-miss-it cameos, but he comes back in full main character status in the direct to video sequels.
- Big Brother Instinct: Tony takes an immediate liking to Fievel when they meet in the sweatshop and does everything he can to take care of the child, albeit getting a little sidetracked by Bridget.
- Bilingual Bonus: Topo is Italian for mouse, hence his surname, Toponi.
- Intergenerational Friendship: With Fievel being a child and Tony being either in his teens or early 20's, depending on who you want to believe.
- Love at First Sight: With Bridget in the first movie, and with Cholena in the third movie.
- The Nicknamer: Tony immediately thinks up a new name for Fievel once learning his name, apparently finding it too foreign-sounding."Fievel? Oooh, that name's gotta go! I'll tell ya what — Filly!"
- Vague Age: Probably one of the best examples in the series due to suddenly having a baby with Bridget in the second movie, but acting considerably more childish in the third and seconds films, as well as spending most of his time with Fievel.
Voiced by: Cathianne Blore
Bridget is an Irish mouse-rights activist who Tony meets and falls in love with. She tries to use her ties with the mouse politicians in New York to help find Fievel's family.
- Chuck Cunningham Syndrome: Disappears in the DTV sequels, never to be mentioned again.
- Granola Girl: Of the late 1800's variety.
- The One Who Wears Shoes: In a couple scenes (also a continuity error - she's barefoot in other scenes).
- Only One Name: She's not the only character in the series without a surname, but it's odd considering that most of the mice in the first film have one.
- Ooh, Me Accent's Slipping: Her Irish accent comes and goes if you listen.
- Parasol of Prettiness: Bridget has one when Tony first meets her. She giggles and hides her blush behind it when he approaches her with a flower.
Warren T. Rat
Voiced by: John P. Finnegan
A crooked rat with a stranglehold on the mice of New York. He is greedy, selling poor little children like Fievel into sweatshops in exchange for their salary, and running a protection racket on the mice offering them protection from the cats in exchange for money.
- Animals Not to Scale: At least, while in costume.
- Ass in a Lion Skin: Is actually a cat dressed as a rat.
- Dreadful Musician: Warren plays a very cringe-worthy rendition of "Beautiful Dreamer" on his violin during the sewer scene. He claims it's because "his nose keeps getting in the way". Granted, this may be justified as he is wearing a fake rat nose.
- Gold Tooth
- Good Smoking, Evil Smoking: Likes to smoke cigars and blow smoke rings. At one point the smoke comes out of his cigar in the shape of a dollar sign.
- Leitmotif: Has a sleazy jazz piece that accomponies his few appearances. Sadly, it was left off of the soundtrack.
- Long Bus Trip: Or in Warren's case, a long ship trip, as he's shipped off to Hong Kong and never returns in the sequels.
- Man of Wealth and Taste
- Paper-Thin Disguise: Enough to fool the mice at any rate.
- Punny Name: Sounds like "warranty".
- To Shakespeare
- Twinkle Smile: Thanks to a gold tooth.
- Wicked Cultured: Warren T. Rat fits in with this trope, or at least he likes to think he does.Random Cat Minion: "When da boss plays, it's culture."
- You Dirty Rat!: Warren T. Rat would seem like your typical negative portrayal of a rat until we find out he's not a rat at all but a cat.
- Your Size May Vary: Taken to the extreme with Warren T. Rat, who at one point is dwarfed by the fat rat at the sweatshop, and later is shown the same size as the rest of the cats in his gang.
Voiced by: Will Ryan
A tiny roach who works for Warren as an accountant. He is generally dissatisfied with his job, but seems to be too afraid to quit. He emits sparks from his antennae when excited.
- Furry Confusion: Realistic, scary roaches appear later in the film that don't look a thing like Digit. Nor do they wear clothes or speak, for that matter.
- Non-Standard Character Design: Much more cartoony than anyone else; he's the only character in the film to do a Wild Take.
Voiced by: Madeline Kahn
A rich uptown mouse who is committed to ridding New York of its cat menace, and finally gets an idea on how to accomplish this from one of Fievel's fairy tales.
- Elmuh Fudd Syndwome: "Wewease....ze secwet...WEAPON!!"
- Non-Mammal Mammaries: There's even a gag in which a feather on her hat falls onto her breasts, and when a drunken Honest John goes to pick it up, Gussie slaps him with her fan. Getting Crap Past the Radar, indeed.
Voiced by: Christopher PlummerA French pigeon who encourages Fievel to seek his family when he washes up on Ellis Island.
- The Cameo: Makes a cameo during a montage in The Treasure of Manhattan Island when Fievel and his friends are showing Cholena around New York.
- Feather Fingers: They look like real wings most of the time, but then he does things like hold up a coin with his feathers.
- Herald: He's the character that more or less sets Fievel off on his adventure.
- Nice Hat: A top hat, which he lets Fievel wear briefly during their song.
- Pep Talk Song: "Never Say Never"
Characters From "Fievel Goes West"
Voiced by: Jimmy Stewart
A retired law dog that Fievel idolizes before he moves out west. He then teams up with Fievel and trains Tiger to take his place.
- Chuck Cunningham Syndrome: Oddly absent from Fievel's American Tails.
- Death Glare: The Laaaaaazy EYE.
- Passing the Torch: Trains Tiger to be his replacement.
- Retired Badass: It's implied in the film that he was the best at being sheriff when he was younger and ever since he gotten older, he long retired from being sheriff. But when he comes out of retirement one final time, he shows that he still has it in him.
Voiced by: Amy Irving ("Fievel Goes West"); Cynthia Ferrer ("Fievel's American Tails")
Tiger's ex girlfriend who leaves him to go west and have real adventures. Ends up as head matron to Cat R. Waul's saloon, and shows Tanya the glamor of stardom.
- Big Beautiful Woman: Has a rather husky figure as far as female love interests go, but she still is a strong attractive character.
- Miss Kitty: Not the trope namer, but still fits the trope.
- Put on a Bus: She vanishes from the rest of the series.
Cat R. Waul
An evil British cat who schemes to eat all the mice of Green River by luring them there with the promise that out west, cats are nice to mice. He's also Wicked Cultured and planned to spare Tanya from the fate of the other mice because he liked her singing voice.
- Affably Evil: Is always incredibly polite and amiable to the mice, even to Fievel when he is about to eat him.
- All According to Plan: "Jolly, jolly good. Now for my part."
- Badass Cape: More fashionable than badass but he certainly tries to make it look intimidating.
- Big Bad: The ringleader of the Green River cats.
- A Dog Named "Dog": Or, a cat named Cat.
- Evil Brit
- Half-Dressed Cartoon Animal: More noticeable than other examples due to how fashionable his outfit is and how often he accidentally loses his clothes when suddenly in the presence of humans.
- Herald: Which is interesting since he's also the Big Bad. It's all part of his scheme.
- High-Class Glass
- Leitmotif: Has a jazzy theme, heard best at the beginning of "Cat Rumble."
- Love at First Note: Love is perhaps too strong a word, but Cat R. Waul is undeniably entranced by Tanya's voice to the point of tears. He sets her up as his personal diva under Miss Kitty's tutelage and even sabotages his own plan when she is in danger of being caught in it.
- Marshmallow Hell: From his human owner, he gets this early on in the movie, and again at the end.
- Man of Wealth and Taste: His voice, his clothes, his refusal to downright inability to eat a meal without fine music to enjoy it with...
- Nice Hat: No one comments on it in the movie but his is the only top hat to be seen when everyone else is wearing some form of Western hat.
- Punny Name: A play on 'caterwaul'.
- Put on a Train
- Saloon Owner: His official position isn't really made clear but he does care enough to want a singer who matches the saloon's opulence.
- Sesquipedalian Loquaciousness: Not nearly as bad as most examples but his words still fly over the heads of his minions.
- Slasher Smile: Just look at his image.
- Stiff Upper Lip: Never says the phrase but whenever he suffers from an embarrassing mishap that would leave most villains fuming, he just regains his composure and immediately (attempts) to exact justice.
- Villainous Breakdown: Starts gradually when Fievel, Tiger and Wylie start getting the upper hand in the final battle, and peaks when Tanya fully exposes his plan.
- Villain with Good Publicity: Somehow convinces the New York mice that he's a great guy who would never in his life eat mice. Even more impressive, he continues to convince the mice of this week after week in the TV series.
- Wicked Cultured: Though this seems to come to him naturally, he goes out of his way to cultivate it even more.
Voiced by: Jon Lovitz ("Fievel Goes West"), Dan Castellaneta ("Fievel's American Tails")
Cat R. Waul's tarantula sidekick who gleefully obeys Waul's orders, and has fun doing it too.
- Bumbling Sidekick: Becomes one to Waul in Fievel's American Tails.
- Giant Spider: Or more accurately, a normal-sized spider who's a giant compared to the mice.
- Punny Name: Sounds like 'tarantula', which is what he is.
- Took a Level in Badass: Double subverted, getting more Ax-Crazy as the film goes on, becoming a bumbling sidekick in Fievel's American Tails.
- Truth in Television: Much like the cats he works for, he's totally hellbent on getting a taste of rodent meat. Certain species of real-life tarantulas can hunt and devour mice.◊
Voiced by: Kenneth MarsOriginally just a random member of Waul's gang, he becomes a bigger threat in Fievel's American Tails.
- Arm Cannon: His "mouse slapper" device that he orders from a catalog in one episode, an arm cannon that shoots nets at the mice. Rather Steam Punk if you consider the time period and setting.
- Ascended Extra: Only appears as a background character in Fievel Goes West, but is the main villain in some episodes of Fievel's American Tails.
- Jerk with a Heart of Gold: In "Babysitter Blues" when Yasha escapes Fievel and wanders into Sweet William's lair, the usually evil cat can't bring himself to eat such a cute little creature, and later saves her from Cat R. Waul.
Characters From "The Treasure of Manhattan Island"
Voiced by: Elaine Bilstad
Cholena is the daughter of the Chief of an underground tribe of Native American mice, who fled underground with the arrival of European settlers in Manhattan. Fievel befriends her and brings her up to the surface in an effort to prove that European mice aren't bad.
- All Love Is Unrequited: Tony has a crush on her, but she doesn't seem interested.
- Award Bait Song: "Anywhere in Your Dreams", a duet she sings with Fievel and The Treasure of Manhattan Island's answer to "Dreams to Dream".
- Fur Is Skin: Her fur, as well as that of everyone else in her tribe, even matches the general skin tone of most human Native Americans.
- Well, Excuse Me, Princess!: Has this kind of relationship with Tony.
Voiced by: Ron Perlman
One of three corrupt owners (the other two are listed below) of a cheese factory, who turn it into a sweatshop and later stir the workers into a crusade against the Native American mice living beneath the city.
- Big Bad:Of An American Tail: The Treasure of Manhattan Island, along with Toplofty and O' Bloat. He would seem to be the leader of the other two.
- Karma Houdini: The worst thing that happens to them in the end is being forced to give their employees a better treatment.
- Meaningful Name: Grasping for power.
Voiced by: Tony Jay
- Meaningful Name: Presumably has a lofty view of himself and is lifted atop people's heads.
- Too Important to Walk: Gets carried around on a sofa by wage slaves with his two associates.
Voiced by: Richard Karron
- Stupid Evil: He's the stereotypical "dumb one" of the bunch.
Voiced by: Sherman Howard
A crooked cop who is on the payroll of the three villains, doing their dirty work and enjoying every minute of it.
- Bad Cop/Incompetent Cop: Played straight in The Treasure of Manhattan Island.
- Disney Villain Death: After a brief fight, Fievel blows up the tunnels, and Chief McBrusque and Scuttlebutt actually die by falling deep underground and being drowned by a flood of water.
- Jerkass: Goes far from it as the film goes on.
- Police Brutality: He embodies the whole trope. When he and Scuttlebutt first meet, he's sure it's their first meeting because Scuttlebutt doesn't have any broken body parts.
- Torches and Pitchforks: He does this later on in the film with order from the factory owners.
Voiced by: Rene Auberjonois
An archeologist from the Museum of Natural History that Tony worked for once, who deciphers the map Fievel and Tony find and accompanies their expedition for the 'treasure' under Manhattan that appears on the map.
Voiced by: John Kassir
Dr. Dithering's hired assistant, who as it turns out, was also secretly under the employment of Grasping, Toplofty and O'Bloat.
- Dirty Coward: Actually he's a good example of the contrast between a Dirty Coward and a Lovable Coward (Tiger) appearing in the same work.
- Disney Villain Death: Dies along with Chief McBrusque in the climax when they fall into a deep hole in the underground and get drowned in a flood of water.
- Face–Heel Turn: Is thought to have been the assistant of Dr. Dithering but in actuality, he is a spy working for the corrupt factory owners.
- You Dirty Rat!: Tony's excuse to the Chief of the Native American mice after Scuttlebutt is caught stealing from them is "Well, he's a rat, ya know."
- Scuttlebutt takes this harshly, as he goes straight for Tony at the end and smacks him into a wall.
Characters From "Mystery of the Night Monster"
Voiced by: Susan Boyd
Nellie Brie is a no-nonsense, down to Earth reporter with a mind for facts. She's also one of the craftiest reporters New York's mice have ever known, and her work for the Daily Nibbler is legendary. She's constantly at odds with her editor, who believes more in selling newspapers than bringing people facts.
- Big Sister Mentor/Parental Substitute: To Fievel in The Mystery of the Night Monster. She helps him deal with his fears while her boss forces her to babysit him.
- Expy: Of Nellie Bly, a newspaper reporter from the late 1800's. Even down to her appearance◊.
- She's been compared to Sawyer from Cats Don't Dance in both appearance and personality, but it's unknown if it was just a coincidence.
- Master of Disguise: She does a lot of undercover reporting which involves her wearing a cunning disguise. Fievel and Tanya first meet her as she's wearing a police uniform and a fake beard.
- Tsundere: With Reed Daley, who acts the same way right back at her.
Voiced by: Robert Hays
He is the editor of the Daily Nibbler, a fast-talking and charismatic boss who's constantly at odds with Nellie Brie over whether her ideas for reports will sell newspapers.
- Aww, Look! They Really Do Love Each Other: Though he's always giving Nellie a hard time, it's revealed later on that he secretly harbors feelings for her.
- The Nicknamer: He nicknames Fievel "Rembrandt" after catching Fievel doodling a picture of him with overly-large ears. He then hires Fievel to draw people's depictions of the Night Monster (mostly just to annoy Nellie).
- Oblivious to Love: Though Tanya has a deep crush on him, he never even notices.
- Punny Name: Reed Daley, read daily, get it?
- Tsundere: Rare male example, though he and Nellie both act this way to each other.
Voiced by: Candi Milo
Madame Mousey (pronounced 'Moo-say') is a small french poodle, who fled her owner to cause some trouble on her own. She has a very short-fused temper, and starts her own gang of cats in the sewer.
- Berserk Button: Mispronouncing her name, commenting on her size and confusing her species (a toy poodle) with a rat all drive her berserk.
- Big Bad: Of An American tail: The Mystery of the Night Monster
- Fortune Teller: Though her methods are, shall we say, somewhat suspicious.
- Gadgeteer Genius: Well, she did build the mechanical 'Manhattan Monster'.
- It's Pronounced "Tro-PAY": She insists that her last name is "Moo-say." Pronouncing it the way it's spelled triggers her Berserk Button. It ought to be spelled Mousée in order to reduce this confusion.
- The Napoleon: To quote her Villain Song; "If Napoleon were a her with fur, he would be me!"
- Ooh, Me Accent's Slipping: In the movie, she constantly slips between a French accent and a Brooklyn accent whenever angry, implying that her French accent is fake.
- Phony Psychic: Her psychic act is all a ploy to spread fear over the Night Monster.