- Arm Cannon: The Chibi-Blaster.
- Badass Adorable: While some Chibi-Robos get to display their badassery more than others (The Zip Lash Chibi-Robo in particular), there's no denying that these little guys pack some serious punch.
- Cute Machines: They're not called Chibi-Robos for nothing.
- Cute Mute: Chibi-Robos apparently don't come with a voice chip, as the only way they can communicate is through a green exclamation point sign and red no sign that pops out of their heads.
- Green Thumb: The Blooming Chibi-Robo model from Park Patrol was built to plant flowers.
- Legacy Character: Because Chibi-Robos are mass-produced, no two games star the same Chibi-Robo.
- Power Cord Tail: Chibi-Robos have an electrical plug tail they have to carry and plug into outlets to keep themselves charged.
- Robot Maid: Much smaller than most examples, but still able to get the job done.
- The Stoic: He rarely shows any emotion, not even when in danger. However, he will sometimes squint when angry or skeptical of something, and he does a little fist-pump when he gets one of Geotron X's questions right in Photo Finder.
- Talk to the Fist: Not really a fist, but when the Queen Spydor has the family captured, the living room flipped upside down, and him and Telly cornered, his response is to bring out the Chibi-Blaster and aim the business end right at her.
- Talking with Signs: He speaks with "yes" and "no" signs. Generally, he's mute.
- The Voiceless: He only talks through green and red signs as "yes" or "no". Photo Finder has a few dialogue trees that Chibi-Robo answers on his own, however.
- Whip It Good: The Clean Sweep and Zip Lash Chibi-Robos use their cords as whips to knock out hostile characters, collect items, and reach faraway plugs.
Characters in the original game
- Casanova Wannabe: He claims that the girls are all over him and is convinced at a couple points that Mrs. Sanderson and Jenny are attracted to him.
- Cute Machines: As cute as the 'bot he accompanies.
- Cowardly Sidekick: He's quite chickenboned on occasion.
- Exposition Fairy: Explains game mechanics and clarifies goals.
- Mentor Archetype: While he was activated at the same time as Chibi-Robo was, he is his guide and mentor and knows more about their stuff than he does.
- Robot Buddy: Built to serve as a helper to Chibi.
- Bumbling Dad: Oh, yes. He means well and clearly cares about his wife and daughter, but is too lazy, immature, and short-sighted to be a particularly good husband or dad.
- Bunny-Ears Lawyer: Toy-loving slacker that he is, he's still shown to be extremely skilled with machines on numerous occasions.
- Gadgeteer Genius: He used to work as an engineer. He invented the Spydorz, and he shows he's still got it when he upgrades Chibi's blaster for a boss fight with the Queen Spydor. Clean Sweep reveals that he also invented a machine that converts garbage (and ghosts, for some reason) into Watts.
- Large Ham: As demonstrated by his Skyward Scream the first time he sees Chibi in action. He's pretty exuberant.
- Lazy Bum: Unemployed, he spends most of his time watching cartoons, reading comic books, and snacking with little to no taking care of the house or looking for work. He starts to shape up a little when Mrs. Sanderson announces she's considering getting a divorce, taking on some chores and trying to cook for the rest of the house.
- Manchild: Excitable and a big fan of toys and cartoons. His habit of blowing money on his hobbies despite being unemployed has put a strain on his marriage.
- Nice Hat: Always wearing his blue cap.
- No Name Given: Always referred to as either "Mr. Sanderson" or "Dad".
- Ugly Guy, Hot Wife: An underdressed slob with scruffy hair and a fluffy mustache, married to the well-kept and pretty Mrs. Sanderson.
- House Wife: She's a homemaker who indulges in "homey" downtime activities like sewing and taking tea.
- Neat Freak: In contrast to her sloppy husband.
- No Name Given: Always referred to as either "Mrs. Sanderson" or "Mom".
- Only Sane Man: She's level-headed and frank, and, by the time the game starts, a bit tired of the wackiness of the rest of her household.
- Ugly Guy, Hot Wife: Pretty, made-up, classily-dressed, and married to the scruffy and goofy-looking Mr. Sanderson.
- Cloud Cuckoolander: Wears a frog hat, speaks in ribbits, and claims (through Sunshine) that an "evil frog wizard" cursed her to behave like a frog. It's all just child's play, though, and when she returns as an adult in Clean Sweep she's (relatively) normal.
- Creepy Child / Heroic BSoD: After Mrs. Sanderson locks herself in her room, Jenny spends all night staring at her toy TV, which is displaying a bizarre symbol. The toys don't even bother pretending not to be alive while she's doing this.
- Nice Hat: She wears a frog wig on a daily basis.
- She Is All Grown Up: She reappears in ''Big Rich Happy Sweep" as a middle-aged woman.
- The Unintelligible: Unless Chibi-Robo is wearing the frog suit, she only speaks in "ribbit"s.
- Big Friendly Dog: Aside from what he did to Memphis, he's a nice dog. And even then, Memphis is willing to forgive him.
- Talking Animal: If you're wearing the Tao suit, he'll speak plain English.
Space Hunter Drake Redcrest
- Cool Helmet: Gatchaman-style!
- Expy: Of Gatchaman and Buzz Lightyear.
- Lantern Jaw of Justice: Only in the American version of the original, however.
- Large Ham: It's even said in the Space Hunter code that Space Hunters must greet everyone by yelling.
- Leitmotif: "Go! Space Hunter Drake Redcrest!"
- Miles Gloriosus: He's confident, dramatic, and boastful, but the one time we see him "in action" - up against a rampaging Sunshine - he's taken out by a child's teddy bear.
- The Bus Came Back: Reappears in Photo Finder as the host of a shooting gallery minigame And in Zip-Lash as one of the toys requesting snacks.
- Gag Lips: Her face is mostly lips and eyes.
- Leitmotif: "A Maiden's Thoughts".
- Love Letter: She writes one for Drake Redcrest. If the player finds it, they can either choose to give it to Drake or give it back to Sophie.
- Stalker with a Crush: She spends most of her nights following Drake Redcrest, hoping she can work up the courage to confess her crush to him. When she finally gives him a love letter in the conclusion of her subplot, she passes out (temporarily) dead from excitement, and her ghost will follow Drake around until she's revived.
The Free Rangers
- Ascended Extra: Tampa is just one of the soldiers in the crowd during the first game, but in Park Patrol he's the only Free Ranger to appear.
- Badass Boast: "You're Free Rangers! You're hard-boiled!"
- The Bus Came Back: A single Free Ranger (specifically, Tampa) reappears in Park Patrol. Sarge and two other Free Rangers also reappear in Clean Sweep.
- Drill Sergeant Nasty: Sarge.
- Jerk with a Heart of Gold: Again, Sarge.
- Leitmotif: "Once Again It's the Drill Sergeant For Us Today".
- Punny Name: The group's name is a play on "free-range eggs," or eggs laid by chickens that are allowed to roam free.
- Screw This, I'm Outta Here!: Some of the rangers later ditch the army and get new jobs.
- Theme Naming: Except for Sarge, all of them are named after American cities.
- Badass Beard: Befitting a toy pirate captain.
- Jerk with a Heart of Gold: He is really attached to Giga-Robo and worships him wholeheartedly. Understandably, since he is the one who made all the toys alive in the first place.
- The Pirates Who Don't Do Anything: He couldn't bring himself to steal from the Sandersons when he saw how poor they had become, so he renounced his piracy. Averted later when he learns that the Sandersons have recovered financially.
The Great Peekoe
- Badass Mustache: Long and curling.
- Con Man: He claims to be a guru and has people gamble in an obviously-rigged game against him as a "cleansing ritual".
- Scam Religion: He claims that people's souls are cleaned when they get rid of their Moolah, but he really is just saying this because he wants money for himself.
- Bears Are Bad News: He's pretty nice (albeit kind of creepy) when he's not suffering from withdrawal, but otherwise he fits.
- Fantastic Drug: He has a heroin-esque addiction to flower nectar.
- Hidden Depths: When he's not craving nectar, he proves to be wiser and more mature than most of the other toys.
- Leitmotif: Sunshine has two: "So dododo" for his regular personality, and "Honeyholic" for his crazy personality.
- Mood-Swinger: Can go from sweet and cute, to crazy and violent if he doesn't get his nectar.
- My God, What Have I Done?: After Mort..."scares him off", he can be seen sulking in the corner of Jenny's room, thinking about overcoming his addiction.
- Nightmare Face: When he's having a craving, his face changes from a cute, button-eyed teddy bear face to a red-eyed roaring face.
- No Indoor Voice: When in "withdrawal mode," he's almost always shouting. His Simlish even changes from a "baby talk" voice to a "shouting middle-aged Japanese man" voice.
- Trademark Favorite Food: NECTAR!
- All Love Is Unrequited: She has a major thing for Funky Phil. Nothing ever comes of it, apart from it presumably contributing to her temporary Heroic BSoD over Phil's "death".
- Built with LEGO: Yup! Comes into practical play near the resolution of her and Funky Phil's subplot.
- Cannot Tell a Joke: She fancies herself funny. However, most attempts by her to joke are to oversell Incredibly Lame Puns.
- Cool Old Lady: Friendly, supportive, and spunky, if a little high-strung. You wouldn't guess she was an old lady if she didn't refer to herself as such.
- Deep South: Has a Southern accent and a penchant for Southern- and Wild West-themed metaphors and similes.
- Everything's Better with Dinosaurs: A LEGO T-rex.
- Leitmotif: "I'ma Gonna Do Somethin'"
- Motor Mouth: Not a fast talker, but a verbose, rambling one.
- Sentient Vehicle: After she jumps from the loft in her subplot, she's temporarily rebuilt into a truck by Mr. Sanderson.
- Disco Dan: All about disco dancing.
- Intergenerational Friendship: According to Dinah, he's on the young side. Her romantic feelings for him aside, they talk like long-standing mutual friends.
- Keet: Chatty, outgoing, and high-spirited. The only time you see his groove thrown off is when he's flustered on being introduced to his first batch of kids.
- Leitmotif: "Funkmaster Flower Train".
- The Klutz: As a dancer, Freaky Phil is apparently not all that well-coordinated with the rest of his family. And let's just say an instance of him tripping and falling leads to one epic misunderstanding.
- Luke, You Are My Father: When you first bring them over to Phil, he has no idea where the heck they came from and persistently denies being their "pappy". They keep calling him that nevertheless... and he bites the bullet, takes them under his wing, and quickly takes a shine to them anyway.
- The Runt at the End: They're all identical with their dad's pink and yellow color scheme... except for the last one of them to sprout, the clumsy, unintelligible, red-and-green Freaky Phil.
- The Unintelligible: Freaky Phil's dialogue is written almost entirely as "gebahbah" noises and accompanied by a harsh, sharp-yet-fuzzy Voice Grunting noise.
- Babies Ever After: After his subplot with Pitts is completed, if you visit the couple, you'll find they've gotten married and had two kids.
- Face of a Thug: He's a sweet if glum guy, and laments that his ugly appearance scares people away from him.
- Leitmotif: "Timid Love".
- Mummy: An action figure memento from a film about a mummy that the Sandersons saw on their first date, apparently.
- Nice Guy: Soft-spoken, well-meaning, and gentle.
- Ugly Guy, Hot Wife: You never expected a pretty princess to be attracted to an ugly mummy.
- Babies Ever After: She marries and has two kids with Mort after their subplot is resolved.
- Expy: Of Princess Peach. This also makes her name A Pun. What are inside peaches?
- Ugly Guy, Hot Wife: You never expected a pretty princess to be attracted to an ugly mummy.
- Jerkass: Irritable and... feisty, to say the least.
- Big Good: Remembered fondly by all of the household toys, and is a central figure in the game's main plot.
- Gentle Giant: Every bit as helpful as his smaller counterpart.
- Posthumous Character: That is, until Chibi-Robo is able to revive him.
- The Voiceless: Like Chibi-Robo, he can't speak.
Titan, Io, Ganymede, and Little Bang
- A Form You Are Comfortable With: After giving Giga and Chibi-Robo infinite power, the aliens depart. As each one reenters the UFO, they turn into a black squid-like creature, suggesting that this is their true appearance.
- Aliens Speaking English: Their language is regular English, just spoken very quietly.
- Bizarre Alien Biology: They all look like squashed and stretched-out versions of Chibi-Robo. It is hinted that they really look like little black squid-like creatures.
- Heroic BSoD: After seeing the deactivated Giga-Robo, the aliens become sick to the point where they can't move.
- Innocent Aliens: It takes them a little while to come to terms with the fact that Giga-Robo is "dead".
Characters in Park Patrol
- Exposition Fairy
- Genki Guy: He sometimes gets so enthusiastic about helping Chibi-Robo that he worries he'll short-circuit.
- Mission Control: He communicates with Chibi-Robo via a satellite dish, alerting him when something important has happened in the park.
Sergeant Smogglor AKA General Greenthumb
- The Dragon: To Miasmo.
- Frickin' Laser Beams: His "ZAPPOW" attack, which can sap the life out of living toys. Fortunately, it has no effect on Chibi-Robo.
- Good Costume Switch: When he returns to his "General Greenthumb" persona, he loses the black-and-white coloring in favor of bright shades of blue and green.
- As Long as There is Evil: Gives a speech akin to this after being defeated. And he's apparently stayed true to his word, seeing as his Smoglings can still be found terrorizing various gardens in Clean Sweep and Photo Finder.
- Big Bad: Of Park Patrol.
- Eldritch Abomination: Whenever he appears in the park, the sky gets clouded in smog and the city in the background inexplicably becomes a bunch of factories.
- Fog of Doom
- Giggling Villain: His only voice clip is a wheezy high-pitched cackle.
- Monster Clown: His face resembles warped clown makeup.
- Vader Breath: His Simlish is nothing more than an evil laugh, but his dialogue is regularly interrupted by coughs and wheezes.
- Walking Wasteland
- Gratuitous French: "Bonjour, tres bien, et merci!"
- Trademark Favorite Food: Candy canes, most likely because of the cane he's holding.
- Casanova Wannabe: He tries twice to put the moves on Chassy, both times being unsuccessful.
- Jive Turkey
- Trademark Favorite Food: Burgers, even though they're bigger than his entire body.
Pop and Fizz
- Product Placement: In-universe example. They're mascots for Pop Fizz Soda, which is also their Trademark Favorite Food.
- Verbal Tic: They have a tendency to drop the words "pop," "bubbly," and "fizz" in their dialogue.
- Catchphrase: "They haven't retired my number yet, you know!"
- Deliberately Monochrome: You can restore his color if you cheer him up, however.
- Trademark Favorite Food: Chewing gum.
Charactes in Clean Sweep
- Animal Stereotypes: He's a pig who is also a policeman.
- Suspiciously Similar Substitute: To Drake Redcrest. He's the first toy you meet, he patrols the living room at night time, he briefly mistakes Chibi-Robo for an enemy, and he gives Chibi Robo his first costume. They way he gives Chibi the costume is near-identical to Drake's: he offers to let Chibi Robo "train" to be his sidekick, which involves performing the costume's action at exactly the right moment.
- Companion Cube: His mask, which he calls his "partner".
- Game-Breaking Injury: Apparently injured his ankle while Keith was playing with him.
- Large Ham: Being an action figure of a luchadore, he loves hamming it up for the crowds.
- Trademark Favorite Food: Tomatoes. Specifically, green ones covered in spicy sauce.
- Disappeared Dad: He's Jenny's boyfriend and Keith's father, who died a few years before the start of the game.
Characters in Photo Finder
- Suspiciously Similar Substitute: To Telly Vision from the original. They even have almost identical voices.
Super Geotron X
Ketschburg and Mostardin
- Nonstandard Character Design: Unlike most of the other characters, these two are more appliances than they are toys.
- Nonstandard Character Design: He's a sponge instead of a toy.
- Nonstandard Character Design: Even moreso than other examples, since he's supposed to be a statue.
Characters in Zip Lash