- Badass Adorable: She has had several action oriented moments, especially in "Scaredy Cats" during her battle against the "Tail Snatcher."
- Cat Girl: She never takes off her cat costume. She even wears it while taking a bath.
- Cheerful Child
- Cute Mute: Kitty never speaks; she only communicates in cat sounds, which neither the audience nor the actual cats understand.
- Faux Paw: She often does this when agitated or when cleaning her face and ears like a cat.
- Fearless Fool: Kitty, in most circumstances. One episode does reveal that she is afraid of the dark, but for the most part she's utterly fearless and not particularly aware of danger when it threatens.
- Genki Girl
- Happily Adopted: All of the cats love her dearly.
- Interspecies Adoption
- MacGyvering: She has amazing "human problem solving" skills to save the day for the cats.
- Pint-Sized Powerhouse: Stanley Stinkleton noted she's surprisingly strong for her size. A Lthough it could be because he is himself so flabby.
- Trademark Favorite Food: Pineapple.
Tropes applying to all of the cats:
- Cuteness Overload: Their reaction to Kitty and nearly everything she does.
- Funny Animal: The cats occupy this role, and are even seen talking to humans.
- Life of the Party: They love partying so much that they use dog years so they can each have birthday parties seven times a year.
- Accessory-Wearing Cartoon Animal: Wears a tin can on his head like a crown.
- Comically Missing the Point
- Dumbass Has a Point: Occasionally, King Tubby will provide interesting commentary on an aspect of human culture/behavior.
- Fake Aristocrat: King Tubby claims to be the king of all cats. In reality he's just another stray, and not a particularly bright one at that.
- Know-Nothing Know-It-All: King Tubby thinks he's an expert on humans and human behaviour. About Once an Episode he'll lapse into a detailed explanation on some particularity about humans, which is without fail based on a spectacular misunderstanding.
- Meaningful Name: He is rather chubby and considers himself royalty.
- Right for the Wrong Reasons: His flawed "research" on human behavior often ends up building up to usable advice.
- Uncanny Family Resemblance: His mother not only looks, but acts a lot like him.
- Mr. Clean: "I like dirt. Good things come out of dirt. Nothin' fancy."
- Amusing Injuries : He certainly gets the most serious ones, but they're still usually played for laughs. The fact that he's apparently completely used to it makes it funnier.
- An Arm and a Leg: His arm is always in a plaster and he has a peg leg. He's also the mansion's handyperson when it comes to maintenance. No one seems to realize what a terrible idea this is.
- Black Comedy: From his name to his usual antics. When Last Chance is around, jokes will be made about the fact that if he were to die, he'd be gone forever. Yet it doesn't stop him for putting himself in danger and he's very relaxed about it.
- Dub Name Change: The Spanish dub uses translations of the cats' English names, except for him. Since "Ultima Oportunidad" would be hard to fit in the lip-syncing, his name in Spanish is changed to "Hecho Polvo"note
- Early Installment Weirdness: In the first episode, he gets exempted from participating in something dangerous because he's only got one life left. Later, he seems perfectly alright with doing all sorts of things that could very well take it in the blink of an eye.
- Eyepatch of Power: It covers a normal looking eye, however.
- Face Death with Dignity: In one episode, his usual carelessness gets him stuck under a heavy pantry while the room is quickly getting flooded with water. He very casually remarks "So this is how it ends", but he's saved in the end.
- It Runs in the Family: He fondly remembers his dear auntie, who "lived her nine lives to the fullest. Unfortunately she never learned how to count." The photos show that she looked just like him, with a countdown of her lives accompanying every photograph where she's about to loose one.
- Made of Iron: He appears to be more like Dented Iron, yet for a cat who is supposedly on his last life, he's been seen surviving tremendous amounts of damage.
- Major Injury Underreaction: Miley has to inform him that his tail is on fire.
- Meaningful Name: He's already lost eight of his nine lives.
- Action Girl: One of the most physically-oriented cats, and female.
- Aloof Dark-Haired Girl: Thorn has black fur and acts like this.
- Berserk Button: Do not be rude to her, especially if you're a human.
- Deadpan Snarker: Especially around King Tubby.
- Hartman Hips: She has them.
- Invulnerable Knuckles: She destroyed a wall in the house by punching it.
- Morality Pet: Despite her sharp personality, she genuinely loves Kitty.
- Mother Russia Makes You Strong: If she's truly slavic, that might explain her Invulnerable Knuckles above.
- Punch a Wall: She does that to soothe her nerves and emphasize her threats. The wall usually loses.
- Sensual Slavs: Downplayed since it's a children's show and she's a cat, but she speaks in a distinctive slavic accent and has a "dark majestic dangerous lady" vibe.
- Animal Facial Hair: He sports a classy twirled moustache.
- Cordon Bleugh Chef: usually averted, although Cheeta once said of his fish soup that it could "scratch the paint from a battleship".
- French Cuisine Is Haughty: He's the mansion's chef and can cook some pretty elaborated meals, but the others usually don't mind as he's very good at his job. He does tends to get upset when his work is unappreciated, though.
- Gratuitous French: He punctuates his heavily-accented speech with french expressions like "bon sang" or "oh la vache".
- Cloudcuckoolander: Of all the cats, Cheeta probably gets the most creative when it comes to bizarre misunderstandings and unique ways of looking at the world. For instance, when looking for a teddy bear for Kitty, he gets a real, living bear and insists that it counts because he got it off a man named Ted. He also thinks it's a good idea to stick a brick in a blender to make brick milkshake (though he wasn't too thrilled with the results).
- Comically Missing the Point: If it's at all possible to miss the point about anything, Cheeta will miss the point.
- I Know A Guy: Regularly phones his "friend" Ted, who appears to be a versatile trader, fence, and conman. Cheeta being Cheeta, he never realizes how often Ted screws him over.
- Mad Scientist: He managed to [[Macgyvering modify]] a toy robot dog to make it a robot cat. He's been shown to have some understanding of a lot of things, but always a very warped one.
- Motor Mouth: He tends to ramble. A lot. Especially when he doesn't actually have anything to say.King Tubby: [Kitty] is in fact wanting to play a thing called — eughh — sport.
Cheeta:Hey, whoa. all right, got it, got it, that makes a lot of sense, I mean, we was worried for a moment there, but now you explained it — how could I have thought otherwise? Hello! Hello, hello, Cheeta, anyone home?! Heh heh, okay, okay. Phew! On the same page now, I mean, who's running this show, am I right?! But can I just, you know, take a moment to speak on behalf of all of us and just, uh... what is sport?
- Drives Like Crazy: He may be one of the only cats who can drive the car. That doesn't mean he can do it well.
- Hidden Depths: Has a secret love of progressive rock, not to mention a soft spot for Kitty.
- Inscrutable Oriental: He's called Ming, keeps his eyes half-shut, and has a slight Engrish accent. But this may all just be a pose, since he's a stray cat who likely was born in the same country as the others, and was more or less raised by The Nazz.
- Jerk with a Heart of Gold: Ming is rude, haughty and dismissive at the best of times, but he cares more than he lets on.
- Shout-Out: He's called Ming, and wears the same cloak as another famous Ming.
- The Baby of the Bunch: He's the youngest cat in the mansion, and acts his age.
- Cats Hate Water: Averted. Timmy loves to swim and will occasionally go over to the neighbors' to use their bathtub, much to their chagrin.
- Cuddle Bug: Loves to hug his best friend, Kitty.
- Cute Kitten
- Cute Little Fangs
- Like Brother and Sister: With Kitty.
- Face Palm: As one of the few (relatively) sane cats, is often driven to doing this.
- Hartman Hips: She has pretty wide hips.
- Idiot Ball: While she's usually much smarter than the average cat, she has the same problems knowing the difference between fiction and reality. Thus, she joined in the hunt for the buried treasure in the backyard following Kitty's pirate-themed play - after all, Happy had a map.
- Mama Bear: She doesn't approve of anyone doing anything bad to Kitty.
- Team Mom: Lectures the other cats and Kitty often, and is usually the one to answer the front door. She's also the most protective of Kitty.
- Accessory-Wearing Cartoon Animal: Wears a scarf and a hat.
- Face Palm: As one of the few sane cats, is often driven to doing this.
- Hard Work Hardly Works: Defied. He's the most proficient musician in the mansion and regularly records new songs. When asked how long it took him to learn the piano, his answer is "Twelve years, and counting".
- Only Sane Man
- Never Bareheaded: Has yet to be seen without his iconic cap. Apparently, he had the same one in his youth.
- Spell My Name with a "The": It's "The Nazz," thank you very much.
- The Reliable One: He's intelligent, reasonable, level-headed, and may be the only cat with any decent understanding of humans.
- The Stoner: Implied. He apparently was around to see The '60s, but "doesn't remember much from that decade".
- Walking the Earth: He was a nomadic wanderer in his youth, going from place to place "searching for his tune".
- Auto-Tune: Her preferred method of singing, via a Vocoder.
- Accessory-Wearing Cartoon Animal: Wears eyeglasses.
- Berserk Button: Do NOT touch her records.
- Beware the Nice Ones: She doesn't hesitate to seek revenge on Kitty for seemingly stealing her originality.
- Blind Without 'Em
- Bookworm: Often seen reading a book during King Tubby's house meetings. Or anytime.
- Break the Cutie: Kitty does this by mistake when she starts imitating her.
- Deadpan Snarker
- Face Palm: As one of the few sane cats, is often driven to doing this.
- Geek: Is a passionate fan of various types of alternative music.
- Hollywood Nerd: Her room is loaded with high-tech musical equipment, including a Vocoder.
- Nerd Glasses
- Pink Means Feminine
- The Reliable One: Subverted. Like The Nazz, she's intelligent, cultured and rational. Unlike him, she usually doesn't care about anything.
- The Smart Guy
- Smart People Wear Glasses: One of the more intelligent cats.
- Cat Scare: Inverted. He's a cat that can be scared by anything.
- Cool Shades: He wears a pair when he's DJ-ing.
- Hidden Depths: See Taught by Television below.
- Lovable Coward
- Taught by Television: he loves to watch a crappy soap opera that takes place in a hospital, and somehow this taught him how to modify a walkie-talkie to triangulate the position of another one.
- Mellow Fellow: Is generally chill and calm most of the time.
- Butt-Monkey: If Harold appears in an episode, chances are something bad will happen to him.
- Cranky Neighbor: Somewhat justified, as the cats can be very noisy.
- Henpecked Husband: And how.
- Manchild: He's got a rubber duck whom he loves and calls Bertrand, but won't ever admit to his wife that he plays (and talks) with it in his bath.
- My Beloved Smother: To her son, Stanley.
- Sibling Rivalry: When she comes to believe that Stanley is a piano prodigy, her first idea is to have him cultivate that talent. Not for his own accomplishment or upbringing, but so she can brag about it to her sister.
- You Gotta Have Blue Hair: Has purple hair. Though it's a wig.
- A Day in the Limelight: When Kitty and Timmy-Tom play a practical joke on him, they must atone for what they've done and he ends up getting this.
- Fat Bastard
- Fat Idiot
- Hidden Depths: Surprisingly, he enjoys dancing.
- Ridiculously Average Guy: He outright states that he has dedicated his life to being average.
- Simpleton Voice
- "Well Done, Son!" Guy: inverted. He doesn't want anyone, especially his parents, to think that he can be good at anything (for it could lead to expectations !), and puts the most of his effort into cultivating his crass mediocrity.