Michelanne "Mike" Mazinsky
Voiced by: Nika Futterman (credited as Nika Frost in every episode except for the pilot)
Mike is a streetwise girl from Manhattan who became a foreign exchange student and was sent to the secluded island of Albonquetine. She often leads the charge to create creature comforts from her civilized home, while at other times, she gets stuck in the middle of one of the island's wacky traditions.
- Adorkable: She becomes adorably awkward whenever she struggles to fit in with everyone else on Albonquetine.
- Alliterative Name: Both her first name and her surname begin with M.
- Bare Your Midriff: She wears a red top that doesn't cover her belly.
- Berserk Button: Don't call her by her real name!
- City Mouse: She's from New York and now is trying to adjust to living on an island.
- Deadpan Snarker: Occasionally makes remarks about the natives' strange ways.
- Fiery Redhead: Subverted. She's mostly laid back, but it is possible to drive her over the edge.
- Foreign Exchange Student: It is stated that she is an exchange student from New York.
- Genki Girl: Occasionally, she's rather energetic when she's happy.
- Girlish Pigtails: She wears her hair in pigtails.
- Limited Wardrobe: "Hot Couture" reveals that she has an entire closet full of red shirts and skirts.
- Also in "Flustering Footwear Flotsam", Mike reveals she has multiple pairs of red sneakers.
- Nice Girl: Once you look past her Deadpan Snarker tendencies, she's very sweet.
- The One Who Wears Shoes: The only one who doesn't go barefoot.
- Only Sane Man: She serves as a straight man to the eccentric ways of the inhabitants of Albonquetine.
- Plucky Girl: She's often cheerful whenever she's on good terms with everyone else on Albonquetine, which is fairly often.
- Primal Fear: As shown in some episodes such as "Giant Steps" and "Brave Sir Lancelot", she is afraid of spiders.
- Same Clothes, Different Year: As seen in a flashback◊ in "Flustering Footwear Flotsam".
- Sanity Slippage: "Sultans Of Swat" has her lose her patience when trying to teach the natives to play baseball.
- Tomboy: She doesn't really act very girly.
Voiced by: Nancy Cartwright
"Princess" Lu is a self-absorbed Spoiled Brat who is bossy to everyone and demands that her "peasants" obey her every command.
- Alpha Bitch: She's the self-proclaimed princess of the island and is rather bratty.
- And Call Him "George"!: She often abuses Lancelot without considering how much her actions will harm him.
- Attention Whore: She gets furious when she is ignored.
- Bare Your Midriff: Her default outfit, similar to Mike.
- Big Eater: Once became addicted to jumbo-sized jujubombs in the episode "Jujubombs". She even swallowed them whole!
- Black Hole Belly: When she eats the jujubombs in "Jujubombs, you can see them travel down her throat, but when they get to her torso the large lump just disappears.
- Butt-Monkey: She frequently gets comically injured or humiliated, though she has it coming given her usual attitude.
- Catch-Phrase: Every time Lancelot leaves her sight or does something she doesn't approve of, she screams the turtle's name.
- Even Evil Has Standards: For the brat she is, even she can't stand her deceased Aunt Lulu. Then again, it could be a case of who's bossing who around.
- Everything's Better with Princesses: In her mind at least.
- Honorary Princess: Lu is the self-proclaimed princess of her island. Justified as she is the daughter of the island's governor and Albonquetine is deserted, populated only by her tribe.
- Jerkass: She has a few Jerk with a Heart of Gold moments, but these are far and in-between.
- Kick the Dog: Dishes these out frequently, usually to her pet turtle Lancelot.
- Large Ham: As self-proclaimed royalty, shouting the majority of her lines comes with the territory.
- Missing Mom: Her mother has not been seen or mentioned.
- Pet the Dog: She shows concern for Mike, Og, Albert, and Margery's well-being when they are threatened by sharks in "Losing Lancelot".
- Royal Brat: She's the "princess" and she only cares about what she wants.
- Screw the Rules, I Make Them!: She occasionally claims that being the princess means she can get away with cheating. On some occasions, she even defends herself by saying "Island rules" when Mike calls her out for cheating.
- Small Name, Big Ego: Lu constantly brags about being the best at everything, being a self-entitled brat. This never ends well for her.
- Spoiled Brat: She'll stop at nothing to get what she wants.
- Taken for Granite: Encased in a candy mold at the end of "Jujubombs". Not that she didn't like it.
- Token Evil Teammate: Not really evil, but she is bratty, selfish, and the least nice of the main characters.
- Tomboy and Girly Girl: Lu acts more girly than the tomboyish Mike due to her belief that she is the island's princess.
Voiced by: Dee Bradley Baker
A soft-spoken Child Prodigy who often creates inventions and recreated things Mike misses about the big city.
- Character Tic: He flicks his nosering whenever he gets an idea to build something.
- Child Prodigy: He's only a child but is able to invent anything Mike asks him to.
- Mad Scientist: While he's normally sane, "Opposites Attack" had him ceaselessly build a bunch of aggressive robots after the other islanders' demands for him to build stuff for them drove him off the deep end.
- Nice Guy: He's very friendly
- The Quiet One: Of all the main characters, he has the least amount of dialogue.
- Sesquipedalian Loquaciousness: The few times he talks often have him use technical terms, whether it's explaining how his inventions work or stating his awe at observing certain wildlife.
- The Smart Guy: Being a genius inventor, he's pretty much the most intelligent person around.
- Speaks Fluent Animal: Speaks to the Philisophical Society when no one else is around.
- Super OCD: "Hot Dog" has him go berserk because of how messy and disorganized Mike insists hot dog making has to be.
- Vague Age: According to Cartoon Network's website in 1999, Og is stated to be five. However, "The Great Snipe Hunt" takes place on Og's seventh birthday. Yet, he's around the same size as ten-year-old Lu.
Voiced by: Martin Rayner
Og's father and a dedicated hunter who usually chases a wombat.
- Anime Hair: He has wild hair that sticks out everywhere.
- Bumbling Dad: His wombat chases keep him from helping Og with his problems.
- Egomaniac Hunter: He often tries to hunt wombat.
- Elmuh Fudd Syndwome: Heck, he's pretty much a British version of Elmer Fudd.
- Gag Nose: He has a bulbous nose.
- Heroic B.S.O.D.:
- He has it after the wombat humiliates him in "The Hunter And The Hunted". He snaps out of it when he successfully catches the wombat (which was all part of a secret deal between Mike and the wombat).
- Another case happens in "Flustering Footwear Flotsam" when he successfully catches the wombat and now doesn't know what to do with his life.
- Papa Wolf: In "Losing Lancelot", he comes to his son's rescue.
Voiced by: Kath Soucie
Og's mother and talented artist, historian, and chef.
- '80s Hair: Her hair is spread out and wild.
- Hazmat Suit: She briefly wears one in "Thanks But No Thanks" while preparing food for All Foodstuff's Eve.
- Hypno Fool: "Margery the Duck" had her on the receiving end of Og's hypnosis invention and as a result, thought she was a duck.
- Large Ham: Often when writing or explaining about the island's ancestors.
- Let's Get Dangerous!: When she leaps into the debate/wrestling match in "A Freudian Split".
- Spot of Tea: From the island's prized teacup salvaged from the wreckage of the Good Ship Betty Anne.
- Starving Artist: Creating things from shoe portraits to "negative space" from hot dogs to Mount Rushmore-style carvings.
- Supreme Chef: She normally does the cooking and everyone enjoys the food she makes.
Voiced by: S. Scott Bullock
Lu's father and governor of the island
- Big Eater: After becoming physically fit in "Fitness Fever", he gorged on chocolate nonstop and returned to his old physique in two days.
- Bumbling Dad: He doesn't do anything to discipline his ill-behaved daughter.
- Camp Straight: He's shown to have a great fondness for theater and tea cozies and while he's never seen with a woman (which is justified as the only Albonquetinian woman around is Alfred's wife Margery), it is all but stated that Lu is his biological daughter, so he must have been married at some point.
- Charles Atlas Superpower: In "Fitness Fever", he developed a muscular physique and had the strength to lift elephants.
- Cowardly Lion: He's often very cowardly, but he steps in whenever help is needed.
- The Ditherer: In "Flustering Footwear Flotsam", his shoe problem is that he's unable to decide which of two pairs to wear.
- Fat Idiot: He's overweight and not very bright.
- Large Ham: He tends to speak in an over-the-top and emotional manner.
- No Celebrities Were Harmed: His voice is based on that of Kenneth Williams.
Voiced by: Corey Burton
The island's old witch doctor and soothsayer.
- Cool Old Guy: He likes to claim he is this, but most of the time he's just a cranky senior citizen who relies on smoke and mirrors.
- For the Lulz: In "Fitness Fever", he hypnotized Wendel because he thought it was funny to see him act like a chicken.
- Grumpy Old Man: He's elderly and often acts very crabby.
- Jerkass: Next to Lu, he's the least kind character on the show.
- Not So Above It All: Even he can become a slave to trends.
- Only Sane Man: He's the only Albonquetine native who realizes that adapting the culture and pastimes of Mike will always end in disaster, even when he himself gets in on it.
- Screw Politeness, I'm a Senior!: He doesn't show respect towards anyone else.
- Surrounded by Idiots: He even says "Why must you punish me so?" in "Flustering Footwear Flotsam" in response to the other islanders refusing to give up their shoes.
- Unstoppable Rage: When he gets upset upset, things tend to turn ugly.
- Verbal Tic: He often finishes his sentences with "...what-what".
- Witch Doctor: He believes he can contact spirits and sometimes does chants while wearing a tribal mask.
Lu's long-suffering pet land turtle.
- All Animals Are Dogs: Lu walks him on a leash. There are even two scenes in the episode "Palm Pet" where he hikes his leg in an attempt to pee on Mike's pet palm tree Petey.
- Ambiguous Gender: While the show's creator stated that Lancelot was a girl, the show itself proves to be contradictory because of Lancelot's lack of Tertiary Sexual Characteristics and being frequently referred to with male pronouns, among other things.
- Butt-Monkey: Just about every episode has him get injured or suffer a humiliating fate.
- Only Sane Reptile: He non-verbally shows his disapproval of Lu's attempts at getting attention or having things her way.
- Removable Shell: One of the most common misfortunes to befall him is to lose his shell.
- Right-Hand Turtle: He is Lu's pet.
- The Voiceless: He never speaks.
Voiced by: Dee Bradley Baker (Goat), Kath Soucie (Pig), Martin Rayner (Spiney)Og's talking animal friends who often discuss philosophy. Made up of Goat, Pig, and Spiney.
- Cowardly Lion: Spiney is the most timid of the group, but that doesn't stop him from helping Pig and Goat save the islanders from the volcano in "Whole Lotta Shakin'", nor does it keep him from looking for Og in "Opposites Attack" when he doesn't show up for the Philosophical Society's meeting.
- A Dog Named "Dog": Goat and Pig. Averted with Spiney (a porcupine).
- Gluttonous Pig: There are frequent occasions where Pig complains about being hungry or talks about food.
- Intellectual Animal: They often spend their time discussing the beliefs of famous poets and authors.
- Misplaced Wildlife: It's very unlikely that a pig, a goat, and a porcupine would inhabit the same place.
- Odd Name Out: Spiney is the only member who doesn't follow the naming conventions of an animal being named after its species.
Voiced by: Brian George (Captain), Corey Burton (Bos'n), Martin Rayner (Mate)The descendants of the pirates who shipwrecked the island's ancestors, the captain, mate and bos'n live on a small section of the island called "The Barnacle". They crave to turn Lancelot into turtle soup.
- Companion Cube: The captain sometimes talks with a hand puppet of a pink rabbit.
- Creepy Crossdressers: When Mike disguises them as New York girls so they can eat some food at All Foodstuff's Eve in "Thanks But No Thanks".
- Early-Bird Cameo: Prior to the pirates' first formal appearance in "Yo Ho Who", the Captain and Bos'n briefly appear in "Buzz Cut" and all three can be seen sleeping together in "Palm Pet".
- Eyepatch of Power: The captain has patches over both eyes. And two peglegs.
- Ineffectual Sympathetic Villains: You can't be any more pathetic if you're always outwitted by three children.
Debuting in the show's second season, the Cuzzlewitz clan live on the other side of the island and tend to be more primitive and wild than their refined neighbors. Suprisingly, their number is larger than the Albonquetine clan.
Haggis & Baggis
Voiced by: Brian George (Haggis), S. Scott Bullock (Baggis)
- Abhorrent Admirers: "For The Love Of Mike" has Haggis and Baggis become attracted to Mike after she falls in the mud. For the rest of the episode, Mike is annoyed that they won't leave her alone.
- The Ditzes: They're so brutish and dim-witted that they actually make Alfred look intelligent by comparison.
- Hidden Depths: In "For The Love Of Mike", while crooning for Mike, they actually come up with decent rhyming lyrics on the fly.
- Meaningful Name: Haggis speaks with a Scottish accent.
Voiced by: Alison LarkinUnlike the other Cuzzlewitz, the older sister of Haggis & Baggis is more cultured, speaks in complete sentences, and gets along better with the others.
- Cool Big Sis: Unlike Haggis and Baggis, she is intelligent and more civilized.
- Large Ham: Often speaks in a showy and theatrical way.
- My Instincts Are Showing: Though more civilized then the rest of her brethren, even she can't resist the scent of a guano-covered Mike.
- The Smart Girl: She's more intelligent than her brothers.