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The main character and unofficial leader; he is best known for his incredible bravery and the screwdriver he always carries in his diaper.
- Voiced by: Tami Holbrook (unaired pilot), E.G. Daily
- The Ace: He's good at everything.
- Badass Adorable: He's only one year old, and is very courageous.
- Bald of Awesome: Since his hair hasn't grown yet, he only has a few hairs on his head.
- Big Brother Instinct: Towards Dil.
- Beware the Nice Ones: When he was sick of Dil's behavior in the first movie, he gives Dil an angry, hateful speech and almost dumps baby food on Dil for him to be abducted by the monkeys.
- Catch Phrase: "A baby's gotta do, what a baby's gotta do" and after the movie, "Hang on to your diapies, babies".
- Characterization Marches On: In the earliest episodes, Tommy was a regular baby with no distinguishable personality—an infant version of The Everyman or The Standardized Leader. Later Tommy begins to develop a stronger personality, becoming a brave Determinator who loves adventure. It can be pretty strange to see Tommy being relatively quiet and cautious in his solo adventures. E.G Daily herself even mentions that Tommy was more baby-like and tiny in the earlier episodes, but as time went by, he got alot more mature and wiser in the show's 10th anniversary special documentary.
- Clear Their Name: Tommy's done this a few times, usually when Spike's been blamed for causing trouble.
- Determinator: One of the youngest ones you'll find in fiction.
- Does Not Like Shoes: The number of times Tommy wears shoes can be counted on one hand.
- The Hero: Since he's The Protagonist.
- Informed Judaism: Actually averted (unlike most other examples on kids' TV, which always weakly hint that a character may or may not be Jewish). In addition to the token Hanukkah special, his family also celebrates Passover. On top of that, his maternal grandparents (Boris and Minka) are established to be Eastern European Jews (possibly Russian or Ukrainian). In both Rugrats and All Grown Up!, Tommy and his family follow both Judaism and Christianity.
- Innocent Blue Eyes: As seen in the unaired pilot.
- Jerkass Ball:
- On occasions in earlier episodes (though not to the extent of his cousin, Angelica). Unintentionally, he could be seen as downright selfish and obnoxious, examples including "Tommy And The Secret Club", and even to an extent, "The Odd Couple". This however doesn't occur ever in later episodes.
- This was actually the source of many conflicts with Chuckie in the third season, many of which called out Tommy's usual tendency to pressure or manipulate Chuckie into following his adventures and ideals of "fun" (Chuckie tears him a new one for it in "Farewell My Friend" in particular). While Tommy is still Innocently Insensitive in later seasons, he is often shown to be more compassionate towards Chuckie and worried about his well being.
- The Leader: Of the babies.
- Master of Unlocking: Most of the time it's Tommy and his toy screwdriver that undoes any barricade the babies face.
- Nice Guy: Always looking after the others and willing to help anyone in need. Heck, there are even times where he's willing to help out his bossy older cousin Angelica.
- Nice Jewish Boy: He's a good boy with a Jewish Mother.
- Only Child Syndrome: Until the first movie, when Dil was born.
- Red Oni, Blue Oni: The red to Chuckie's blue.
- Sensitive Guy and Manly Man: Manly Man to Chuckie's Sensitive Guy.
- Vocal Evolution: In Season 1, Tommy had a very raspy, quiet voice, but it changed a bit in Season 2 and again in Season 4, when it became louder. Also, he had a different voice actress in the pilot, who sounded downright feminine.
In addition to his uncontrollable red hair, big glasses and bucked teeth, Chuckie is easily distinguished from his friends by his dislike of adventure and irrational fear of particular objects, most notably the "guy on the oatmeal box" (the Quaker Oats logo).
- Adorkable: He's very shy and even wears glasses.
- Art Evolution: Chuckie looks a bit different in Season 1, he has fewer strands on his hair and his nose was shaped a bit different, also his head shape was more if a box, luckily his design was refined in Season 2.
- Badass Normal: An interesting variation. When one cartoon had the babies think Chuckie was a super hero to get back his inflatable globe from Angelica, he was told his cape was the source of his powers. He ends up losing the cape and still beating Angelica, knocking her over. He's shocked he did it, too.
- Beware the Nice Ones: Chuckie's a coward, through and through. However, push the kid too far and he'll man up to deal with the problem at hand.
- Big Brother Instinct: Towards all of the gang. Once his father and Kira get married, he develops this for Kimi, especially in their teenage years.
- Big "NO!": His first word in Rugrats In Paris.
- Blind Without 'Em: Cannot see well without his glasses.
- Butt Monkey: Very often, though not to Angelica's extent.
- Catch Phrase:
- "I Don't Think That's Such a Good Idea..."
- "We're doomed! Doomed, I tell ya!"
- Characterization Marches On: In the first season, he could be quite argumentative and rude to the other babies, but thankfully it was toned down in later seasons.
- Chick Magnet: He's actually quite popular with the ladies. It's even theorized among fans that the reason why Angelica torments him so much is because she has a secret crush on him.
- Cowardly Sidekick: In contrast to the fearless Tommy.
- Deadpan Snarker: This line exemplifies it. When Phil and Lil show up as Hansel and Grettle in Chuckie's Cinderella fantasy.Phil: I'm Hansel and she's Grettle.Lil: Yah. And we're losted.Chuckie: Well you're even more losted than ya think. Cus you're in the wrong story.
- Didn't Want an Adventure: He's usually the first one to object to any of Tommy's adventures, but he tags along anyways.
- Earn Your Happy Ending: This kid goes through a lot without his Missing Mom. By the time of the second film, he finally gains a mother he always wanted.
- To Tommy. While Tommy is rather bold and adventurous, Chuckie tends to worry that they're in a bad situation and points out that Tommy's plans could result in trouble.
- Compared to his stepsister Kimi, she is also more bold and energetic than he is. In particular, she's enthusiastic about riding a Reptar mecha while Chuckie was only doing so in order to warn his father that Coco was using him.
- Flanderization: Originally, Chuckie was the voice of reason among his friends, being the only one with any idea/worry of how dangerous many of the thing they were doing were. Starting with the second season, Chuckie's sense of caution was exaggerated to the point where he is so cowardly that he's scared of the guy on the oatmeal box. Then things got worse when his voice actress was replaced...
- The Heart: He's usually the one that keeps the babies together.
- The Lancer: Often acts as the cowardly contrast to the courageous Tommy.
- Lovable Coward: Probably his defining characteristic.
- Missing Mom: The Mother's Day episode heavily implied that his mother died a few months — maybe less than that — after he was born.
- Morality Chain: Episodes like "Rebel Without a Teddy Bear", "The Gold Rush" and "Chuckie's Wonderful Life" strongly hint that Chuckie is this to the other babies.
- Neat Freak: In one episode, after learning about germs, he becomes this.
- Nice Guy: Becomes this after the first season.
- No, Except Yes: After this, his dialouge with adults manifests as a "no for everything" phase that is not unheard of among toddlers.
- Only Child Syndrome: Until the second movie, when his father remarried and he got a stepsister.
- Potty Emergency: Since he is very young, he had a few Downplayed instances of this in Chuckie vs the Potty, A Dose of Dil, and Cuffed. He also had a pretty severe one in Potty Training Spike.
- Potty Failure: He had this once in Chuckie vs The Potty and once in Accidents Happen.
- Redheads Are Uncool:
- He is danger prone, cowardly, wore glasses that would break from time to time, had allergies and was often picked on by other kids. So much so that there were entire episodes devoted to him having an operation that temporarily cleared his nose, him trying to dye his hair black to fit in with the rest of the kids, and his other quirks.
- Sometimes averted: he's actually shown to be quite popular with the ladies in certain episodes (such as "Cradle Attraction").
- Red Oni, Blue Oni: The blue to Tommy's red.
- Savvy Guy, Energetic Girl The Savvy Guy to Kimi's Energetic Girl.
- Sensitive Guy and Manly Man: Sensitive Guy to Tommy's Manly Man.
- The Smart Guy: Chuckie is a bit more smart compared to the other babies.
- The Southpaw: Chuckie is shown to be left-handed.
- Survival Mantra: "I'm a big brave dog, I'm a big brave dog..."
- You Just Had to Say It: He has a habit of giving his friends ideas, which he didn't mean to, and which ends with him going along unwillingly.
- In "Stu Gets a Job", after accidentally giving Tommy an idea to prevent his dad from going to work, he said "When am I ever gonna learn to keep my big mouth shut?"
- In "Reptar On Ice", Tommy believes Reptar is dead, but Chuckie believes he's just hiding. This cheers Tommy enough to have them go looking for him. Chuckie groans "I did it again."
- In another episode, his friends look at him after saying something, he sighs and says "I'll get the screwdriver."
- In "Let Them Eat Cake," he lampshades the whole thing. Tommy wants to go after the huge cake, and rather than talk him out of it, Chuckie acknowledges that Tommy won't listen to him and come up with "a whole bunch of crazy reasons why we gotta do it," so why not just skip the middleman this time and go along with it?
- In "Tricycle Thief", Angelica was accused of stealing Susie's bike as payback for her laughing when Angelica fell into the mud the previous day. Angelica claims her innocence and wouldn't even bother doing so just for spite, then Chuckie blurted out that he overheard Angelica said something. When the babies asked what it was, he tried to keep quiet only to reluctantly give in, and it only seemed to confirm Angelica's guilt.
- Youthful Freckles: Chew Toy and adorkable redhead.
Phil and Lil DeVille
Half-Identical Twins who are alike in every possible way, and even dressed to match. They represent the stage of infancy where babies are forever curious and try to eat and drink anything they can reach. Best known for their love of filth.
- Voiced by: Kath Soucie (both)
- Big Eater: They love eating. They especially like mud.
- The Big Guy: Phil is the toughest of the babies and the most hands-on.
- The Chick: Lil is the lone girl of the four main babies until Kimi.
- Extreme Omnivore: Worms, insects, boogers, toilet water— anything is fair game.
- Deadpan Snarker: To a certain extent.
- Dirty Coward: In "Farewell My Friend" they ditch Tommy at one point.
- Divergent Character Evolution: The twins started off as the same character split in two, but later in the series Phil became a borderline Deadpan Snarker and Audience Surrogate, being the character that said what the audience was thinking. Lil would also become the more adventurous of the pair, which is Truth in Television since she's the oldest.
- First Name Ultimatum: When they argue, they usually address each other by their full first names (Phillip and Lillian).
- Half-Identical Twins: The only physical difference between them is that Lil has free-hanging earlobes, something minor enough that most people, including their parents, don't notice.
- Identical Twin ID Tag: The most obvious way of telling them apart is Lil's bow, which they will sometimes use to pull off a Twin Switch. Lil also wears a diaper under her overalls, while Phil wears shorts. In "Twins Pique" Lil gives herself pigtails, and Phil messes up his hair so they can be told apart.
- Incest Subtext: By way of Children Are Innocent. In "Kid TV" the two of them stage a scene where they're lovers in a Soap Opera, they go to the prom together in "Junior Prom", and they have odd reactions at seeing each other naked in "Naked Tommy". Also in "Cradle Attraction" when the gang finds out that Megan picks on Chuckie because she likes him, Lil shoves Phil and says "it's because I like you" and they both giggle.
- Jerk with a Heart of Gold: They could be pretty mean at times, but nowhere near the extent of Angelica. In "Weaning Tommy", Tommy (who's going through withdrawal after his parents were told by their dentist to get Tommy off his bottle) tells the twins of his plight, and their answer is "Sorry, Tommy. Wish we could help" and then continue drinking their bottles right in front of him. The worst example has to be in the first movie where they let the monkeys take Dil. Even Chuckie (who at this point has no love for Dil either) couldn't believe it. But nonetheless, the two share a strong bond with each other and care deeply about their friends.
- My God, What Have I Done?: An interesting case for Lil. In Rugrats Go Wild!, Lil catches sight of an animal eating a smaller one and freaks out, realizes what she's been doing all of this time and swears off worms and mud.
- Nightmare Fetishist: Very young versions. The "fetishist" part is downplayed as there is nothing sexual about their interest in what most would be freaked out by.
- The Pig Pen: Both of them love getting messy.
- Pink Girl, Blue Boy: Lil has pink shoes, and has a pink bow in her hair, while Phil has blue shoes and blue pants. However they both have pink shirts.
- Pink Means Feminine: Lil is color-coded with her pink bow and shoes.
- Sibling Rivalry: They both argue frequently.
- Single-Minded Twins: They tend to be on the same page, though they occasionally argue.
- Tertiary Sexual Characteristics: Phil wears pants, while Lil wears a dress and has a bow on her head.
- Trademark Favorite Food: Bugs.
- Theme Twin Naming: Both names rhyming with "ill".
- Tomboy with a Girly Streak: Lil loves playing in the mud and eating worms, but also plays with dolls and gets excited when she thinks she's playing a princess in Angelica's ballet performance.
- Vocal Evolution: Over the course of the series Phil's voice became less feminine and more scratchy, whilst Lil's voice became higher during the Kimi era episodes.
A Large Ham and bossy, Angelica is Tommy's cousin and serves as the main antagonist of the series. She hates Tommy and the other "stupid babies" and lives to make them miserable whenever they're in the same place.
- Voiced by: Cheryl Chase
- Anti-Role Model: She's pretty much the embodiment of what young children shouldn't act like.
- Attention Whore: She gets enraged when people give more attention to the babies than to her.
- Author Avatar: Angelica is essentially a cartoon version of Cheryl Chase (her voice actress, except Cheryl is fairly nice in real life) in many aspects, such as her appearance and some of her interests.
- Badbutt: She's the closest thing to a villain that the show has.
- Berserk Button: Whatever you do, don't steal Cynthia from Angelica. Not even karma will protect you from her wrath.
- Big Bad: She's always the one causing trouble for the main characters, and as such she's the closest thing to a main antagonist. When it's not her, it's usually her equally bratty crush, Timmy McNulty.
- Big Sister Instinct: Despite how much she torments the babies, she goes ballistic when anyone besides her does this. Lampshaded in Rugrats in Paris:"Listen lady! Nobody messes with my dumb babies except me!"
- Birthday Hater: Due to the fear of the implications of growing up, Angelica behaves this way during her third (or fourth?) birthday. In the end, she regrets it when she realizes that, when growing up, she can eat candy with bigger teeth than the babies'.
- Bitch in Sheep's Clothing: She pulls a sweet girl facade in front of the adults while showing her nasty side to the babies.
- Bratty Half-Pint: She often whines when she doesn't get her way.
- Brown Eyes: In tie-in merchandise from the late `90s and early 2000s.
- The Bully: She frequently picks on the babies.
- Butt Monkey: If you can believe this, Angelica, despite being the antagonist, gets her comeuppance a lot (eg: sitting in time out and pizza falling on her hair, causing her to cry as she hates the stress of having her hair washed), but sometimes, she can be the show's butt monkey, even when she isn't the antagonist!
- Child Hater: Despite being a child herself, she is often mean to the babies and isn't very nice to people her own age either.
- Companion Cube: She often treats her Cynthia doll as if it were a living person.
- Character Development: In the first season, Angelica was a total Jerkass that acted nice in front of the adults, but had strong hate for the babies and she somewhat mocked people behind their back (Graham Canyon is a great example of this, as when Drew tells Angelica to have a good time, after Angelica's polite response, she sticks her tongue out at Drew). In later seasons (namely two, but mostly, after season 3 and the movie), she grows to like them and becomes a Jerk with a Heart of Gold, whereas she is still mischievous, but there's a nicer tone to it.
- Cute but Cacophonic: She's three years old and has No Indoor Voice.
- Daddy's Girl: Though her parents both love her, she appears closer to Drew, possibly because he's around more than Charlotte. Drew is also more of a softy when it comes to attempts at disciplining his daughter.
- Deadpan Snarker: Often makes remarks towards the babies about their ignorance of how the world works due to being very young, naive, and inexperienced.
- Deliberately Cute Child: Acts sweet and nice when grownups are around to try and manipulate them.
- Depending on the Writer: Is she a Jerkass Woobie (and maybe a Tsundere as well) or a flat out vile little brat whom dangerously borders on being a Villain Protagonist? It depends on how pleasant the writers are feeling about her at the time. Still happens in All Grown Up! but to a much smaller extent.
- Devil in Plain Sight: The adults are usually unaware of how bratty and mean she is, though occasionally she did get caught.
- The Dreaded: All of the other kids (except Susie and Kimi) are scared of her.
- Enfant Terrible: More bratty than evil, but still has her moments.
- Even Evil Has Loved Ones: It is shown several times that she loves her parents even when they're not spoiling her rotten.
- Even Evil Has Standards: In "Tricycle Thief."Angelica: I may be mean, and I may be a bully, but I'M NO TRICYCLE THIEF! She's not.
- Evil Counterpart: To Susie. While Susie is sweet and friendly, Angelica is bratty and selfish. This is reflected when Susie attempts to sing a song during a baby shower during the Rugrats Movie and Angelica keeps interrupting.
- Evil Is Petty: She can sometimes fall into this. Like when she convinced Tommy, Phil and Lil that Chuckie was an alien just so she could have the playhouse to herself.
- Fluffy the Terrible: Not just her Right-Hand Cat...
- Girlish Pigtails: And purple bows to go with the dress.
- Heel–Face Revolving Door: She more or less treats the other babies like crap and has no qualms with freaking them out with random urban legends or stories, mostly to get something she wants. However, she ends up being a team player if something worse threatens them.
- Hypocritical Heartwarming: "Nobody messes with my dumb babies 'cept me!"
- Hypocritical Humor: Angelica seems rather insecure about being so close in age to the younger Rugrats—she's always referring to them as "just babies" and to herself as an adult, even though Dil (who's three years younger than Angelica) is the only Rugrats who's technically "just a baby." Angelica and Susie are both only a year older than Chuckie and two years older than Tommy, Kimi and the twins.
- Ironic Name: She usually acts angelic when she's around adults so they seldom catch on to her true bratty nature.
- It's All About Me: Most of the time, she'll only act on her own selfishness.
- Jerkass: She plays this trope straight, from childhood to the All Grown Up! episodes. She is really willing to manipulate the other characters to get what she wants.
- Jerk with a Heart of Gold: She has alot of nice moments—such as when she admits she'll miss Tommy when he almost moves away, or apologizing to Suzie via a hand-made card. In the sequel she Took a Level in Kindness.
- Karma Houdini: Angelica manages to pull one in "Barbecue Story," where she deliberately throws Tommy's ball over a fence without any comeuppance. Presumably, karma wasn't paying attention that time. Angelica was in fact originally conceived as a Karma Houdini to teach the audience sometimes life won't be fair. Allegedly the creators loathed Barbecue Story, which followed the original direction, and while she has mild cases of getting away afterwards, most of her truly heinous acts are met with karma.
- The Lancer: Whenever Chuckie isn't filling this role.
- Large Ham: She often likes to see herself as quite the little performer lets just say.
- Laser-Guided Karma: Her title in this show could very much be "karma's personal punching bag"; in the event she does something that could be considered even vaguely unpleasant, karma is sure to be there to take her down a peg or two.
- Lonely Rich Kid: Despite being well-meaning, her parents are pretty clueless, and sometimes downright negligent, when it comes to raising her.
- Never My Fault: Angelica gets sent to day camp and blames her doll, Cynthia, for suggesting it.
- Nightmare Fuel Station Attendant: Quite a lot of examples can be found on the Rugrats Nightmare Fuel page.
- No Matter How Much I Beg: When she tries to give up cookies in the episode "No More Cookies", she asks the babies to keep her from getting any and to never give in regardless of how much she demands a cookie.
- Not Me This Time: In "The Tricycle Thief", Suzie blames Angelica for stealing her new tricycle when hers is missing and Angelica shows up with an identical one. Angelica says that it was hers and that her red-painted hands, which she would have gotten if she stole the trike from Suzie's garage, were from finger-painting. Turns out that despite the evidence stacked against her, she was completely innocent.
- Only Child Syndrome: Unlike Tommy and Chuckie, she actually stayed an only child throughout the show's run. She did come close to having a sibling on an episode where Charlotte (her mom) thinks she's pregnant and Angelica thinks that her parents will outright neglect her once the baby is born, but by the end, Charlotte reveals to Angelica that the doctor told her that she's not pregnant.
- Rich Bitch: It is implied that Angelica's family is better off than most of the other characters', especially given that both of her parents are business executives. However, Chaz and Chuckie briefly become richer than her family in "Chuckie is Rich," until Drew makes Chaz invest all of his money in a company which fails (possibly out of envy).
- Ship Tease: Some episodes show her expressing a Tsundere-ish crush on Timmy McNulty (the grandson of one of Lou's rivals and if possible an even bigger brat than Angelica).
- Spoiled Brat: To the point where even her parents recognize this even as they spoil her! But to their credit, they've tried many times to correct it.Drew: Angelica, if you don't eat your broccoli, then you're not going to get seconds on dessert!Angelica: BUT THAT'S NOT FAIR!
- Sweet Tooth: She would sometimes eat too many sweets to where she would get sick. In fact, some of her schemes involve something relating to sweets. Especially in "Partners In Crime", where Didi bakes a dozen cupcakes, and Angelica had already eaten all but two. Then she goes on stealing a bowl of cookies and a cake for someone's 100th birthday.
- Tiny Tyrannical Girl: Although she seems like a big bully rather than tiny, since she's three and the protagonists are babies.
- Token Evil Teammate: She serves as the primary antagonist most of the time. Even when she's not being mean to the babies, she tends to be the meanest of the main characters.
- Tomboy and Girly Girl: Girly Girl to Susie's Tomboy.
- Too Dumb to Live: Shows up on occasion, like the end of "The Trial", where she admits to breaking Tommy's clown lamp and gloats about it because the babies can't say anything, completely forgetting about the fact that Didi and Betty can hear her in the next room.
- Took a Level in Kindness: Season two onwards. She still has lots of Kick the Dog moments in later seasons and even if she's not as consistantly "evil" in depiction as she was early on, she's still an obnoxious and selfish bully on occasions. Depending on the Writer comes a lot into play.
- Trademark Favorite Food: Angelica loves cookies. It is even revealed in "No More Cookies" that "cookie" was her first word.
- Tsundere: Some of her "nicer" stories do occasionally give her these kind of vibes as well.
- Villainous Glutton: She is shown as this in the episode "Chuckie's Wonderful Life", Chuckie being shown that if he was never born, Angelica would have manipulated her uncle and aunt into abandoning Tommy and endlessly making junk food for her to eat.
- Vitriolic Best Friends: To Susie, especially in the later seasons—given her bossy personality, it is sometimes implied that Susie may be her only real friend outside of the babies.
- Vocal Evolution: Angelica's voice was always Cheryl Chase's own voice tweaked a little bit, but in Seasons 1-6, it was more noticeable that it was Cheryl's own speaking voice. In the Kimi era, her voice gets slightly higher. However in the Tales from the Crib DVD movies, her voice reverts back to Cheryl's and sounds noticeably more like Cheryl than she did in the show's entire run.
- Wounded Gazelle Gambit: Has pulled this a few times, with mixed results. She also taught Tommy to do it in "Attention Please," though she called it "acting."
- The Unfavorite: Subverted. Her parents love her more than she realizes. She was worried that this would happen when she got a little sibling.
Susie moved across the street from Tommy early on in the series. A multi-talented, brave, and humble little girl, she served as the opposite of Angelica and often acted as The Rival to her. If Angelica was The Big Bad, Susie would be The Big Good.
- Voiced by: Cree Summer
- The Ace: She is Wise Beyond Their Years and has many talents.
- Affirmative Action Girl: Originally added to the cast when the creators noticed that there were too many white, male characters. Luckily, Susie manages to avoid being a token through her Cool Big Sis persona.
- Black Best Friend: Initially to Tommy and later on to Angelica.
- Blood Knight: Turns into a variation of this in "The Tricycle Thief", going to great lengths to prove Angelica stole her trike and paint her as something of a monster who'd keep stealing so she'd get what she wants.
- Brainy Brunette: Has dark brown hair and is quite the prodigy with knowledge about reproduction and is fluent in French.
- Characterization Marches On: In her initial appearances she interacted mainly with Tommy, and was kind of a drama queen and a crybaby, sharing Tommy's naivete and ineptness to the world around her. Not long after that, Susie and Angelica met and she became mostly defined by being the Anti'-Angelica; mellow, intelligent and mature (at least for her young age).
- Child Prodigy: At age three, she is already multilingual.
- Cool Big Sis: Acts like this to Tommy and the other babies. Ironically, Susie herself is the youngest of four children, and Alisa, despite having a valley-girl persona to a certain extent, is sort of a Cool Big Sis to Susie.
- Cunning Linguist: It's revealed that she knows ten languages.
- Foil: While Angelica is a mean girl who doesn't treat the babies too well, Susie is rather sweet and caring. Furthermore, she's black and brunette while Angelica is white and blonde.
- Girlish Pigtails: She has her black hair in braids.
- Good Counterpart: To Angelica.
- Lethal Chef: One episode has her baking treats for the babies, only for them to hate how they taste.
- Nice Girl: She's a sweet and compassionate little girl who basically serves as a nice foil to Angelica.
- Only Sane Woman: Usually.
- Out of Focus: Became less prominent as the series progressed, playing minor roles in the first two movies and making less appearances staring in in Season 8.
- The Rival: To Angelica.
- Sixth Ranger: At first, but by the time Kimi was introduced, she became more or less The Mentor.
- Team Mom: Acts as a big sister to the babies.
- Token Minority: The only black character.
- Tomboy and Girly Girl: Tomboy to Angelica's Girly Girl.
- Vitriolic Best Friends: With Angelica.
- Wise Beyond Their Years: She's very smart and mature for her age.
- X Must Not Win: While mostly a Good Counterpart to Angelica, Susie has been shown to be very rivalistic to her at times. Comes to an extreme in "Tricycle Thief" where she jumps to the immediate conclusion she stole her trike.
Tommy's little brother, who was born in The Movie. Unlike the others, he can't talk, so he's a baby even to the other babies. As a newborn, most of his time is spent sitting around and drooling.
- Voiced by: Tara Strong
- Annoying Younger Sibling: Tommy felt this way about him in the first movie, but now cares for him.
- Big Brother Worship: A downplayed example given that he's a baby among babies, but the fact that he dreams of Tommy when his mom sings "Beautiful Dreamer" is telling.
- Catch Phrase: "POOPIE!"
- Cousin Oliver: Sums up the page quote quite nicely. For the most part, even in episodes where he's a major focus, he ends up feeling more like a living plot device than anything else.
- Embarrassing Nickname: He calls Angelica "Yucky", and Chuckie "Ducky" or "Chubby".
- Generation Xerox: Dil's initial interactions with his older brother Tommy mirrors that of Stu and Drew Pickles, who did not get along as babies but gradually warmed up to each other. However, while Stu and Drew Pickles still argue with each other on occasion, Dil gets along well with his brother Tommy.
- Last-Minute Baby Naming: Stu and Didi originally assumed that he was going to be a girl, and planned on naming him after Stu's late mother, Trixie, but end up naming him after Didi's cousin, Dylan.
- The Nicknamer: Partially because he's so young and has no teeth, Dil has a nickname for almost all the babies he interacts with.
- Punny Name: Dill is a type of pickle. This pun is actually what convinced Stu and Didi to name him Dylan.
- The Speechless: He doesn't really say anything due to being the youngest of the babies. Subverted as he also can say short words such as "Yucky", "Tommy", "Poopy", and others.
- Spoiled Brat: He is for two thirds of the movie, and still can be on occasion. It's understandable, since like many children his age, Dil is too young to understand the concept of sharing.
- Tagalong Kid: He usually tags along on the gang's adventures. Not that he always is useful because of his young age.
Kimi Watanabe Finster
First appearing in the second movie, Kimi is an adventurous girl whose mother married Chuckie's father, making her his step-sister.
- Voiced by: Dionne Quan
- The Ace: Like Tommy, she is good at many things.
- Broken Pedestal: Kimi feels this way about Angelica when she's at her worst.
- Cheerful Child: Usually is pretty happy about stuff.
- Companion Cube: Superthing.
- Distaff Counterpart: Was conceived as being a female Tommy.
- Genki Girl: Adventurous and free-spirited.
- Girlish Pigtails: Has three of them, in fact.
- Hair Color Dissonance: Does Kimi have black hair or purple?
- Meaningful Name: Her real name, Kimiko, means "child without equal", among "empress/noble child".
- Nice Shoes: Who knew they made cowboy boots for babies?
- No Accounting for Taste: Non-romantic example; unlike the others, Kimi actually likes Angelica.
- No Sense of Personal Space: Seemingly in "Finsterella" as shown and mentioned by Chuckie.
- Savvy Guy, Energetic Girl The Energetic Girl to Chuckie's Savvy Guy.
- Sixth Ranger: Joined the babies after the Rugrats in Paris movie.
Chuckie's equally cowardly father. Was revealed to be a widower on the Mother's Day special episode, but got remarried in the second Rugrats movie.
- Voice by: Michael Bell
- Acquired Situational Narcissism: When he wins the lottery he becomes noticeably snobbish and arrogant, irritating Stu and Didi.
- Ambiguously Jewish: Aside from acting similarly to Mort Goldman, Chas says "oy gevalt" in "Home Movies" and even his claim that "we're not really Jewish, actually we're not really anything" in "Passover" does not rule the possibility out.
- Art Evolution: During the first season Chaz' clothes had a different color and his hair was darker. However, this was changed during the second season.
- Beware the Nice Ones: He's easily intimidated and cowardly, but it's not smart to push him too far. Also if Chuckie is in danger you're in his way, hoo boy, watch out!
- Bumbling Dad: He is a kind, well-meaning man, but he is also clumsy, awkward, absent-minded, and frequently a Horrible Judge of Character.
- Butt Monkey: Like father, like son.
- Earn Your Happy Ending: Like his son, he clearly misses his late wife. But thanks to Paris, he has a family of four with Kira and Kimi within his household.
- Happily Married: To Kira.
- The Heart: Like his son, he helps hold the parents together, such as in "Family Feud", as the Pickles and DeVilles were bickering.
- Horrible Judge of Character: Best shown in the second movie when he almost marries a Child Hater who terrified Chuckie.
- Jerkass Ball: Happens in the episode "Chuckie Is Rich." After winning 10 million dollars in a contest, Chaz becomes a smug, superficial jerk. Much to the annoyance of Stu and the other adults. He gets over himself when he loses all his money to a bad investment.
- Jerkass Realization: When he finally sees how horrible Coco is, he's ashamed for getting so caught up in the romance of Paris, he didn't realize who he was trying to romance.
- Nice Guy: You can see where Chuckie got it from.
- Nerd Glasses: Square ones.
- Papa Wolf: Very protective of Chuckie and Kimi, he even onetime threw out a huge muscular guy out his car just to retrieve Chuckie out of a car wash.
- Screams Like a Little Girl: Does this from time to time, and it sounds quite funny, but not as funny as when Stu does it.
- Sensitive Guy and Manly Man: The sensitive (alongside Howard) to Stu and Drew's macho.
- Strong Family Resemblance: He greatly resembles his son Chuckie.
- Those Two Guys: Often paired with Howard as this in the later seasons.
- Ugly Guy, Hot Wife: He's kind of a geek while Kira is attractive.
- What the Hell, Hero?: In the episode "Family Feud", Chaz flips out in anger when the babies run off, tired of their parents' petty arguments, and they do nothing but keep arguing. This invokes many a My God, What Have I Done?
She is the mother of Kimi and step-mother of Chuckie. The (2nd) wife of Chaz.
- Voice by: Julia Kato
- Beware the Nice Ones: Do not mess with her kids, it's also not a good idea to try snatch a dress on sale that she saw first either. One lady during a baby sale at the mall learned this the hard way. Didi was also quite shocked.
- The Determinator: If she sees a dress she wants for Kimi during a clothing sale, she will get it.
- Doting Parent: To Kimi and later Chuckie.
- Foil: In the movie, she serves as this for Coco. Unlike Coco, she in fact loves children and objects to Coco attempting to take away his teddy bear, giving it back to him instead of destroying it like she asked, as well as when she realizes that Coco is simply marrying Chaz so that she could get a promotion, attempting to stop the wedding in the end. Unsurprisingly, she's the one who ends up hooking up with Chaz in the end instead of Coco.
- Happily Married: To Chaz.
- Heroes Want Redheads: Pulls a big hero move by racing through Paris on a bike to stop the wedding and falls in love with redheaded Chaz.
- Mama Bear: Acts quickly when she thinks her kids and their friends are in peril.
- Meganekko: She wears glasses.
- Nice Girl: One of the most kind-hearted individuals of the show.
- Raven Hair, Ivory Skin: The show and movies have her appear with jet black hair and light skin.
- Team Mom: Along with Betty, she had a slight tendency to be a mom to the other moms.
The father of Tommy and Dil, and husband of Didi. He's also the brother of Drew and uncle of Angelica.
- Voiced by: Jack Riley
- Art Evolution: Stu has a longer neck in the pilot.
- Berserk Button: Don't ever bad-mouth his inventions. This especially applies to his older brother, Drew.
- Bumbling Dad: Not quite as extreme as other examples.
- Bungling Inventor or Weekend Inventor: Stu builds toys for income, but said toys can be hit or miss on how well they work.
- Deadpan Snarker: At times.
- Flanderization: In the last few seasons Stu is portrayed as a highly energetic child in a man's body, the best examples can be where he gets really angry and throws his shoes away like he's a child in "Bad Shoes" or when he begs to Didi to keep the puppy in "A Tale of Two Puppies", not like Stu.
- Gadgeteer Genius: While mostly the Bunging Inventor, when he makes something that actually works, it works out REALLY well. His successes include a Mac Guyver-like coconut radio in Rugrats Go Wild!, the Reptar mech, Boppo the Clown toy and, of course, the Reptar Wagon (as well as the so-so Dactar Glider)
- Generation Xerox: Stu and Chaz were best friends since childhood as well, much like their own sons. One episode even shows Stu and Drew as babies, and Stu sounding exactly like Tommy.
- Good Parents: Not the brightest pop, but still is helpful to his sons in many ways along with Didi.
- Gone Horribly Right: One of his toy inventions was a voice modulator with terrific range. Unfortunately, when Angelica discovers she can sound just like Charlotte, all manner of trouble is caused forcing him to lock the prototype up for good.
- Grumpy Bear: Sometimes falls under this with Drew.
- Laser-Guided Amnesia: In the episode "Regarding Stuie" he hits his head and reverts to a baby-like state. Another hit on the head brings him back to normal again.
- The Leader: Tends to take this role in the adults, though unlike the babies, the others frequently berate him for trying to take charge.
- Nice Guy: Most of the time.
- Papa Wolf: Really gets to work when the kids are lost or threatened.
- Parental Substitute: Along with Didi, Stu could be seen as this to his niece, Angelica. While it's obvious that Drew and Charlotte really do love Angelica, they're generally too busy with work to spend any actual time with her, Stu and Didi pay considerably more attention to their niece and discipline her more often than the other adults on the show, including Drew and Charlotte.
- Red Oni, Blue Oni: The red oni to Drew.
- Sanity Slippage: Angelica's constant calling and taking things in "Angelica Breaks A Leg" drives Stu up the wall, leading to the infamous scene where Didi catches him making chocolate pudding at 4 AM because "[He's] lost control of [his] life". When the truth of Angelica's leg comes out, he ends up breaking down into tears because it's all over.
- Screams Like a Little Girl: And it's hilarious when he does it, especially in "Angelica Breaks A Leg." Downplayed more after Dil is born, though.
- Sensitive Guy and Manly Man: The Sensitive Guy to Drew's Manly Man, but when it comes to Howard and Charles, he's a Manly Man.
- Sibling Yin-Yang: With Drew, due to their different personalities.
- Slobs Vs Snobs: Slob to his brother Drew's Snob.
- Straight Man and Wise Guy: Wise Guy to his brother Drew's Straight Man.
- You Gotta Have Blue Hair: Purple rather.
Mother of Tommy and Dil, wife of Stu, and Angelica's aunt. A part time school teacher, who constantly consults a famous pediatrician for advice on how to raise the children.
- Voiced by: Melanie Chartoff
- Accidental Misnaming:
- Aunt Miriam called her the following names - Dolly, Sally, Callie, Ginny, Phoebe and Fifi.
- And when the mothers go to a spa and get t-shirts with their names on them, Didi's reads 'Dodo' by mistake.
- Anime Hair: Has very puffy hair.
- Author Avatar: Klasky based Didi off herself.
- Berserk Button: Don't call her other names like "Fifi", "Dodo" etc.
- Blind Without 'Em: When she loses her glasses in "Mirrorland" she has to stumble around the house.
- Blonde, Brunette, Redhead: The Redhead to Charlotte's Blonde and Betty's Brunette.
- Cruel to Be Kind: She learns this Aesop in the same episode as the babies. She lies to Stu that one of his inventions is a wonderful idea, but snaps at the end."This invention is a menace! If you don't stop soon, we're going to end up living in a tent in the backyard!"
- Dropped Glasses: Happens fairly often. In one episode she dropped them while changing into a dress, in another Tommy took them and threw them to the ground in order to get close enough to unleash Spike, and once Angelica took them and ran off when she thought she was invisible.
- Fainting: She does a magnificent one in "Tommy At Bat" when she sees Tommy flying through the air.
- Fiery Redhead: Mostly has a very calm demeanor, but she can get very agitated and anxious. Plus, she's red-headed.
- Informed Judaism: Averted. The series actually shows that she's Jewish, has Jewish parents (Boris and Minka), and celebrates Jewish holidays.
- Improbable Hairstyle: Her giant orange triforce must take some maintenance. She's cut it into a slightly more realistic style in All Grown Up.
- Jewish Mother: She is technically one but averts the stereotype for the most part. Her mother on the other hand...(see Grandma Minka below)
- Mama Bear: As her vine swinging in the "Vacation" special can attest to.
- Meganekko: A very cute-looking lady with glasses.
- Only Sane Woman: Is usually the one to call out Stu when his inventions backfire.
- Parental Substitute: Along with Stu, Didi could be seen as this to her niece, Angelica. While it's obvious that Drew and Charlotte really do love Angelica, they're generally too busy with work to spend any actual time with her, Stu and Didi pay considerably more attention to their niece and discipline her more often than the other adults on the show, including Drew and Charlotte.
- Tomboy and Girly Girl: Girly Girl to Betty's Tomboy.
- Vocal Evolution: Melanie Chartoff originally voiced Didi with her natural voice however over the course of the series her voice became more nasally, just compare her voice from Season 1 to Season 5
Father of Angelica, uncle of Tommy and Dil, and married to Charlotte. The opposite of his brother in almost every way, they do have their spats, but do care about each other.
- Voiced by: Michael Bell
- Aloof Big Brother: To Stu in their youth. They're much closer now that they're older, but he still can come off as hostile towards him at times.
- Doting Parent: He frequently fawns over his own daughter and it's easy for her to manipulate him into spoiling her.
- Grumpy Bear: Same above as Stu.
- Jerk with a Heart of Gold: Has a tendency to be smug and petty, but is shown to be an overall nice guy and caring father most of the time.
- Papa Wolf: He takes this too far in The Movie when he attacks Stu for accidentally losing Angelica.
- Pushover Parents: Can lean towards this at times, because he usually hesitates to discipline Angelica. He even had a nightmare about Angelica taking him to court.
- Red Oni, Blue Oni: The blue to Stu's red.
- Sensitive Guy and Manly Man: The Manly Man to Howard, Charles and Stu's Sensitive Guys.
- Sibling Yin-Yang: To Stu.
- Slobs Vs Snobs: Snob to his brother Stu's Slob.
- Stoic Spectacles: Subverted. He has glasses but isn't that stoic.
- Straight Man and Wise Guy: Straight Man to Stu's Wise Guy.
- Workaholic: Implied. One of his catchphrases is "Let's get down to business." However, he is a much more mild example than his wife.
Mother of Angelica, aunt of Tommy and Dil, and married to Drew. She's the CEO of her own company and is frequently seen talking on a cell phone to an invisible assistant (at least until the episode "Mommy's Little Assets" and some later episodes where he was actually shown) named Jonathan.
- Voiced by: Tress MacNeille
- Action Dress Rip: In the third movie, complete with Sexophone.
- Blonde, Brunette, Redhead: The Blonde to Betty's Brunette and Didi's Redhead.
- Convenient Miscarriage: Possibly had one in "Angelica's Worst Nightmare" (or at the very least, a chemical pregnancy). It's also possible she could've just simply misread or done her pregnancy test incorrectly, had a phantom pregnancynote , or merely realized that at-home pregnancy tests aren't always accuratenote .
- Corrupt Corporate Executive: Occasionally implied, especially in "Mommy's Little Assets" where she compares her corporation to a giant monster that subsists on smaller monsters.
- Defrosting Ice Queen: Surprisingly for a show with minimal continuity, Charlotte begins as the biggest outsider of the group, hesitant to spend time with the other adults and over all quite cold and mean spirited. By the later episodes, she's shown to have struck up a strong friendship with the other women and is overall much more sociable.
- Doting Parent: Not as bad as Drew, but can be this to Angelica at times.
- Establishing Character Moment: Her first appearance in "The Santa Experience" gives us this when Stu is saying how happy he is to have her at the cabin with everyone."Well it is Christmas, the season of love and joy. (on the phone to Jonathan) I don't care, Jonathan! We've got to crush the competition and we've got to crush them now!
- Hartman Hips: Has very big hips.
- Hypocrite: Can be this at times, such as in "Mommy's Little Assets" where she claims that Betty and Howard spoil Phil and Lil.
- Impossible Hourglass Figure
- Ivy League for Everyone: Though her own alma mater is unknown, Charlotte displays interest in having Angelica attend Harvard in "Educating Angelica," and claims that Chuckie's left-handedness will prevent him from being accepted to an Ivy League university in "Chuckie's a Lefty."
- Jerk with a Heart of Gold: What she really is—Charlotte may act abrasive and rude sometimes, but she's a good person deep down.
- Mama Bear: In the Rugrats movie.
- Married to the Job: She's often seen talking on her cellphone talking to her assistant, Jonathan—or some other business. She does watch the kids from time to time, but she's usually on the phone anyway.
- Ms. Fanservice: Quite sexy-looking, it doesn't hurt that she has an hourglass figure.
- Rich Bitch: At her worst.
- Rich in Dollars, Poor in Sense: Despite being extremely successful, she occasionally is shown to have little common sense or understanding of the real world, such as in Rugrats Go Wild! when she tells Jonathan to stop the storm.
- Tomboy and Girly Girl: Girly Girl to Betty's Tomboy.
- When You Coming Home, Mom?: Charlotte does try to be a good mom and really does love her friends and family, but she's also a career woman and, as anyone can tell you, that can put a strain on family life.
- Workaholic: Even when she's not working, she's often blabbering away on her cellphone to her assistant, Jonathan, and/or doing some kind of business-related matter. She might be the first example of someone using a cell phone in such a manner so extensively in children's media (at least until children's shows in the late 1990s into the 2000s had to keep up with current trends).
Father of Phil and Lil, and married to Betty. He is rather soft-spoken and little seen on the show compared to his wife but does make occasional appearances as a friend of the other babies' dads.
- Voiced by: Phil Proctor
- Bumbling Dad: He is somewhat clumsy at times.
- Cloud Cuckoo Lander: Pretty spacey.
- Happily Married: To Betty
- Henpecked Husband: While he and his wife obviously love each other, he's clearly the more submissive one in the relationship.
- Masculine Girl, Feminine Boy: Feminine Boy to Betty's Masculine Girl, being more reserved than she is.
- Nice Guy: A kind, sensitive man.
- Papa Wolf: A slight example in the "Vacation" special and the movies.
- The Quiet One: Frequently doesn't say a thing.
- Sensitive Guy and Manly Man: The Sensitive Guy to Drew and Stu's Manly Men.
- Those Two Guys: Often paired as this with Chaz in the later seasons.
- Tiny Guy, Huge Girl: Tiny Guy to Betty's Huge Girl.
Mother of Phil and Lil, and married to Howard. She is a very loud, athletic, and outgoing woman and clearly the more dominant partner in her marriage. Also usually portrayed as Didi's best friend.
- Voiced by: Kath Soucie
- Blonde, Brunette, Redhead: The Brunette to Charlotte's Blonde and Didi's Redhead.
- Brainy Brunette: Not an intellectual like Chaz, Didi or Drew, but she's usually the voice of reason regarding blindly following the parental advice of experts by pointing out that said experts probably aren't that qualified and that she merely uses common sense when it comes to raising children.
- The Lad-ette: As much of one as a kid's show can get away with.
- Like Parent, Like Child: It's obvious that the twins got their rambunctiousness from Betty.
- Masculine Girl, Feminine Boy: Masculine Girl to Howard's Feminine Boy.
- No Indoor Voice: She shouts a lot.
- Only Sane Woman: While she's easily the most aggressive of the adults, Betty has a tendency to play this role to the others—see Brainy Brunette above for part of the reason why.
- Straw Feminist: In some episodes, she can lean slightly towards this stereotype. Most of the time, though, she's entirely pleasant.
- Street Smart: Probably the most worldly and down-to-Earth out of all the adults.
- Team Mom: She and Kira tended to be the moms for the moms.
- Tiny Guy, Huge Girl: Huge Girl to Howard's Tiny Guy—they're roughly the same height, but she has a much broader build than he does.
- Tomboy and Girly Girl: Betty's the Tomboy to Didi, Charlotte and Kira's Girly Girls (mostly Didi).
- What the Hell, Hero?: Betty isn't too happy when she catches her kids running around stark naked with Tommy and when Didi tries to say it's natural, she tells her "the 60s are over and we lost, so get with the program!"
Mother of Alisa, Buster, Edwin and Susie, and wife of Randy. A doctor and Harvard-educated wonder mom.
- Voiced by: Cheryl Carter
- The Ace: She is completely awesome at everything she turns her hand to: aviation, cooking, parenting, mechanical engineering, medicine. During the episode that introduces her and her husband, it's a running gag how Didi is constantly discovering new things to admire about her new friend and being totally blown away and a little intimidated. She's also quite friendly and kind — the kind of person who makes you wish you were cool enough to be her friend.
- Brainy Brunette: Has a head full of dark hair....and was a Harvard grad, currently works as a doctor, and took some courses from Le Cordon Bleu amongst other things.
- Doting Parent: Despite being a career woman, like Charlotte, she pays more attention to her kids and actually disciplines children if they don't behave properly.
- Good Parents: She cares about her daughter and always tries to cheer her up when she;s upset.
- Happily Married: With Randy.
- Ivy League for Everyone: Is a Harvard graduate.
- Supreme Chef: She takes great pride in her cooking.
Grandpa Lou Pickles
Father of Stu and Drew, and paternal grandfather of Tommy, Dil and Angelica. Being a grandparent and all, he is known for spoiling the babies at every opportunity and is generally considered by them to be their favorite of the grown-ups.
- Voiced by: David Doyle (first four seasons and first episode of season five), Joe Alaskey (remainder of season five and onward)
- Arc Number: 15 is often used in his stories.
- Badass Grandpa: Especially in the retirement home episode, when he singlehandedly rescues Tommy and Angelica. With a fishing pole.
- It's been mentioned in the story that he's a World War II combat veteran.
- Blind Without 'Em: Can't see one bit if his glasses are lost.
- Cool Old Guy: An elderly man who tells stories and is a nice guy.
- Curse of the Ancients: Prone to using nonsense profanities like "consarnit" and "dagnabbit." Lampshaded in one episode when Stu asks: "Why do you always talk like a prospector when you're aggravated, conflabbit?"
- Deadpan Snarker: Never misses a chance to snark it up.
- December-December Romance: With a nurse named Lulu—they even get married in the second movie!
- Florence Nightingale Effect: His relationship with Lulu. They met when he was injured and she acted as his nurse. Later, however, it's revealed that they had met before, they just didn't remember.
- Forgotten First Meeting: In his youth during the second world war, Lou met Lulu performing as a singer who kept forgetting the words to her songs. The two of them interacted and Lou offered her something to eat, then left before she could thank him.Lulu: I never was able to thank that man.Lou: (smiling) You just did.
- Identical Father: Flashbacks show he looked a lot like Drew with a mustache—nowadays, he looks more like Stu.
- Only Sane Man: Among the adults; not only is he usually the first to notice when something is wrong, he's also often the first to call the others out on it.
- Papa Wolf: Acts fast when his grandchildren (and their friends) are threatened.
- Senior Sleep Cycle: Tends to fall asleep whenever the plot tells him to.
- Too Dumb to Live: Not him specifically, but the adults constantly rely on him to watch the children, when he will always, without fail, fall asleep and let them get up to their own devices.
- When I Was Your Age...: Grandpa Lou LOVES this trope, telling many stories about the hardships that he suffered in his youth (some of which contradict each other). He is especially fond of incorporating the number 15 into these anecdotes (ie, "fifteen miles," "fifteen years").
Lou Pickles' cousin. Referred to as "Aunt Miriam" by Tommy, Angelica, and their parents despite technically being their cousin and not their aunt.
- Voiced by: Andrea Martin
- Bald Women: Her beehive hairdo turns out to be a wig.
- Dirty Old Woman: She flirts with Pirate Fred in "Club Fred".Miriam: He's not much of a pirate, but I like his booty!
- Elderly Blue-Haired Lady: She has blue hair, which Tommy didn't think was natural. It turns out he was right. It was a wig.
- Generation Xerox: It is implied that Miriam and her cousin Lou had a relationship similar to that of Tommy and Angelica when they were kids.
- Jerkass: She's not very nice to Didi and it is mentioned by Lou that she gave her cousin grief when they were kids.
Lou Pickle's second wife and stepmother to Stu and Drew.
- Voiced by: Debbie Reynolds
- Cool Old Lady: Quite a good dancer, and much younger in spirit than in age.
- Forgotten First Meeting: As mentioned above, Lou and Lulu were later revealed to have met when they were younger only to move on and forget about it until now.
- The Ghost: Despite being mentioned several times, she's nowhere to be seen in All Grown Up!.
Grandpa Boris Kropotkin
Father of Didi, maternal grandfather of Tommy and Dil, and married to Grandma Minka. He is Ashkenazi Jewish, hails from "the old country" (implied to be Russia), and frequently laments about how much better things were there than in America. He has a knack for storytelling and appears most prominently in the Hanukkah and Passover episodes displaying this talent.
- Voiced by: Michael Bell
- Alter Kocker: Just by looking at his picture, yes. Also covers all the below tropes.
- The Bus Came Back: They come back for some episodes of All Grown Up!.
- Cool Old Guy: Phil even lampshades this in one episode, describing him as something that is both cool and scary at the same time.
- Deadpan Snarker: Most infamously in "Home Movies" where he calls Dr. Kevorkian because Stu's home movies are so boring.
- Funetik Aksent: He speaks in a heavy Eastern European accent and his speech is frequently peppered with Yiddish phrases.
- Funny Foreigner: Yiddish and a funny guy.
- Grumpy Old Man: Pretty old, and is sardonic.
- Jews Love to Argue: Jewish and whiny.
- The Old Country: It is never specifically mentioned which country this is but it is generally described as a Ruritania-type place and implied to be somewhere in the former Soviet Union.
- Put on a Bus: Boris and Minka were left out of the new seasons as time passed.
- The Storyteller: Has plenty of stories about his childhood.
Grandma Minka Kropotkin
Mother of Didi, maternal grandmother of Tommy and Dil, and married to Grandpa Boris. She displays many of the same stereotypical "Jewish grandparent" traits as her husband but is generally more mild-mannered and serves as the voice of reason for him.
- Voiced by: Melanie Chartoff
- Alter Kocker: Like her husband. Also covers the rest of these.
- The Bus Came Back: She turns up again for one episode of All Grown Up!.
- Funetik Aksent: Ditto to Boris.
- Funny Foreigner: Like Boris, she is Yiddish.
- I Was Quite a Looker: According to Boris, Minka was the beautiful girl in the village that they lived in.
- Jewish Mother: Well Grandmother.... or "Bubbe", if you want to get technical about it.
- The Old Country: Comes from an unspecified part of Eastern Europe (implied to be Russia).
- Put on a Bus: Boris and Minka were left out of the new seasons as time passed.
- Vocal Evolution: Like Didi, Melanie Chartoff made Minka's voice more nasally as the series progressed.
The Pickles family dog. He gets along very well with Tommy and often accompanies the babies on their adventures.
- Big, Friendly Dog: Big compared to the babies, at least.
- Dogs Are Dumb: While by far not an extreme example of this trope, Spike does have his occasional moments of doing dimwitted things, such as kicking off one episode's plot by running away in the rain to chase a cricket.
- Female Feline, Male Mutt: Male Mutt to Fluffy's Female Feline.
- Heroic Dog: He has saved the babies' skins on more than one occasion. He becomes a Big Damn Hero in The Movie.
- The Scapegoat: A frequent plot point in the show involves the adults blaming Spike for something he didn't do and then the babies attempting to find a way to clear his good name, which is rather difficult for them since they can't talk (see below for a prominent example).
- Undying Loyalty: Many episodes and all three movies show just how loyal Spike really is to the babies and the Pickles clan on the whole. Justified because he's a dog.
Angelica's white cat, who shares both her pigtail hairstyle and her mean personality. She was first introduced in the episode "Fluffy vs. Spike" as a designated rival for Spike. After that, she became more of a background character.
- Bitch in Sheep's Clothing: She acts like an innocent kitty most of the time, but takes delight in getting Spike into trouble.
- Cats Are Mean: What gets her on Spike's bad side. However, in Babysitting Fuffy, she was mainly "mean" out of self-defense and was purring and being friendly when treated right.
- Female Feline, Male Mutt: Female Feline to Spike's Male Mutt.
- Light is Not Good: Put the white fur and bad attitude together, and there you go.
- Troublemaking New Pet: Played straight in her debut appearance.
The Finsters' poodle, adopted in Rugrats In Paris.
- Voiced by: Dee Bradley Baker ("Bigger Than Life")
Son of Spike and Fifi, born later in the series.
Daughter of Spike and Fifi, born later in the series. A very timid puppy who lives with her mother and the Finsters.
- Meaningful Name: Was named Pepper due to her pep.
- Shrinking Violet: Early on.
- Sibling Yin-Yang: She's not nearly as rambunctious as her brother, Spiffy.
- Uncatty Resemblance: Looks and acts so much like Chuckie that it's almost scary—not only is she shy and afraid of nearly everything, but she also has orange fur, some of which sticks out like Chuckie's hair and even a purple spot over her eye that resembles Chuckie's glasses.
In-Universe Fictional Characters
A Japanese Kaiju from a movie franchise the babies love.
- Breakout Character: Became very popular and had quite a few episodes to himself as time went on. After The '90s Are All That was rebranded as The Splat, Reptar was the subject of every Rugrats related advertisement.
- Bully Hunter: Really hates aliens showing up trying to take over and boss mankind around.
- Catch Phrase: "Halt! I am Reptar!", though later on he became The Voiceless.
- Destroy the Product Placement: The Kaiju sees red when he spies buildings with 'Viacom' on them. We honestly can't imagine why.
- Destructive Savior: He always saves the day, but this usually leads to the city's destruction.
- Expy: Of Godzilla.
- Face–Heel Turn: Subverted in Runaway Reptar, in which he appears to turn evil, but it turns out he was replaced by an evil robot replica made by a Mad Scientist. Or Angelica.
- Fish Out of Temporal Water: Through an anomalous event, he ends up in the very futuristic 2010.
- Friend to All Children: The babies love him and many episodes show that the feeling is mutual. VERY mutual. As in, do NOT mess with kids when he's around.
- Goofy Suit: Subverted. Many people have donned a variety of Reptar suits for live performances over the years, some cooler than others. But nearly all of them have hated the job, leading their managers to ponder why they ever bothered to apply for it in the first place.
- Hidden Depths: From having relationships with people (on ice!), to dancing on Broadway, Reptar is more than your average giant dinosaur.
- The Juggernaut: He's virtually unstoppable and indestructible.
- Kaiju: A friendly one at least.
- Lighter and Softer: Unlike Godzilla on whom he was obviously based, Reptar is a far more heroic entity and more consistently good.
- Not Evil, Just Misunderstood: His backstory in the origins movie Reptar 2010. Thrust forwards in time, completely out of his element, mutated into a gigantic unstoppable form, all he can do with himself is destroy everything. The ending, having made his peace with humans he must co-exist with, shows his real character.
- Papa Wolf: Does not take kindly to anyone trying to harm the kids or their families, that goes DOUBLE for giant monsters.
- Tyrannosaurus rex: Formerly one, before the space-time anomaly.
- What Do You Mean, It's for Kids?: In-universe example which is subverted. Overly protective adults like Didi feel he's far too frightening for younger children, failing to understand Tommy and the gang already adore the giant Kaiju.
An enemy turned ally of Reptar. Appeared in Runaway Reptar and made some cameos thereafter.
- All Flyers Are Birds: Being babies, Phil and Lil don't quite seem to get what Dactar is. Phil thinks he's a giant bird, Lil thinks he's a butterfly. They're both wrong, but Phil's guess is a little closer.
- Decoy Antagonist: Of Runaway Reptar. Turns out the real villain is Reptar's robot replica and its creator.
- Expy: The Rodan to Reptar's Godzilla.
- Giant Flyer: As a pterodactyl based kaiju, this is a no brainer.
- Heel–Face Turn: At the end of Runaway Reptar, like Rodan before him. While he started out destructive, Dactar eventually helps Reptar take down the Robot Reptar. Lampshaded by Tommy, who comments that Dactar "turned out to be a little bit of a hero too".
- Kaiju: A more malevolent one than Reptar.
- Ptero Soarer: By virtue of being a Rodan expy (although he actually looks more like an actual pterosaur than Rodan does).
- The Ace: There are Cynthia dolls with just about every profession imaginable. Justified because she's a Barbie parody.
- Bald Woman: Downplayed as she still has some hair, but the hair you see pictured is actually not typical of the standard Cynthia doll—several episodes show that most Cynthia dolls have normal hair. Several episodes suggest that Cynthia's scraggly, nearly bald hairstyle is Angelica's fault.
- Butt Monkey: She tends to get messed up pretty badly, usually as Laser-Guided Karma for Angelica, though sometimes Angelica herself is the one doling out the doll's abuse. Lampshaded in one episode, wherein Angelica mentions that Cynthia's "been through a lot lately".
- Companion Cube: Angelica's.
- Creepy Doll: To a slight degree. Granted, the creepiest thing about her is that she's Angelica's favorite toy, though her overall unnerving appearance doesn't help much.
- Expy: Of Barbie.
- Morality Pet: In a sense, she's the only thing Angelica seems to genuinely care about.
- Phrase Catcher: "Can you believe it, Cynthia?" and oftentimes "CYNTHIAAAAAAA!!!!!!"
- Security Blanket: For Angelica. Even well into her teens.
The Dummi Bears