A hard worker who loves studying, science experiments, and inventing. Special skills: STEM fields (Science, Technology, Engineering, Mathematics). Partner: Zobo, a robot she built herself. Role: The reliable "Brain" of the original five. Appearance: Since the 2018 reboot, she is depicted wearing glasses. Personality and Traits: A genius inventor who is a prodigy in STEM. Her self-made robot, Zobo, is her greatest invention and constant companion. A serious, diligent student who consistently tops her class. When facing problems, she relies on logic and data rather than emotion. She has a cute, clumsy side where she gets so absorbed in her experiments that she loses track of her surroundings. While brilliant, she isn't very good at physical activities like sports or dancing. 🎨 Likes/Dislikes: Loves science experiments, robotics, coding, stargazing, studying history, and jotting down invention ideas. Dislikes baseless rumors, inefficient plans, sports in general, and failing experiments (though she quickly analyzes the cause to bounce back).

A bright, positive, and competitive perfectionist. Special skills: All sports, cooking (especially baking), and planning. Role: The reliable "Leader" of the original five. Energetic and confident, she is the organizer type who loves making plans. Flaws: Can be a bit of a perfectionist and panics slightly when things don't go according to plan. Catchphrase: "I have a great plan!" 🍕 Likes/Dislikes: Loves cupcakes she baked herself and bananas. Hobbies: Soccer, baking, and journalism (reporting and writing). Dislikes: Sitting still and having plans fall apart. Precious pet: Dash (dog).

An active, brave, and down-to-earth natural girl. Special skills: Caring for animals, horseback riding, and outdoor activities like camping. Role: The reliable one of the original five. Personality: Dependable and action-oriented. She is straightforward and honest, hating flattery or lies. Flaws: Can be stubborn and insists on solving everything by herself. She has an older brother, Daniel, who is a bit of a protective "sis-con." 🌲 Likes/Dislikes: Caring for animals, horseback riding, camping, and skateboarding. Future dream: Veterinarian or park ranger. Dislikes: City crowds, sitting still for lectures, and wearing overly fancy dresses.

A confident, attention-loving mood maker. Special skills: Singing, dancing, acting, and playing instruments—all forms of stage performance. Role: One of the five friends. Personality and Charm Points: Always positive and a dramatic queen with rich emotional expression. She has a star quality that makes everyone turn their heads. She's great at making friends laugh or cheering them up with music. Flaws: Can be a bit self-centered due to her love for the spotlight. Her emotions fluctuate wildly, and she can get dramatically depressed. Family: Her music-loving father (Marty), mother (Carmen), and mischievous younger sister (Liz). 🎤 Likes/Dislikes: Loves singing, dancing, songwriting, acting, designing new costumes, and eating (or making) delicious sweets. Future dream: World-famous pop star or musical actress. Dislikes: Boring routine work, places where she has to be quiet, and when no one is paying attention to her.

An imaginative, kind, and slightly airheaded romanticist. Special skills: Painting, sculpting, photography, and interior design. Role: The sensitive "Artist and Fashionista" of the original five. Appearance: Characterized by long black hair and emerald green eyes. Hobbies: Karate (actually a black belt), redecorating her room, and taking care of her cat. Catchphrase: "Wow..." Pet: Her beloved cat, Chico.

Councilor Alvah is a member of the Heartlake City Council and a genius inventor/scientist. Character Traits and Role: The rival/villain to the Friends. She plots to develop the city according to her own whims, often clashing with the Friends (especially Olivia and Andrea). For example, she tried to demolish a favorite art district to turn it into a "Technology District" or shut down trendy shops. Development of "Alvah-droids": She developed the Alvah-droids as "perfect robots" to eliminate human error. While intended to make the city more convenient, a heatwave caused a chemical reaction in their power source, leading the robots to run amok and cause city-wide panic.

Name: Carter Greene Occupation: Businessman / Investor / Head of Alvah-Tech Residence: Heartlake City (arrived in Season 2) Main Role: Main villain of Season 2 Appearance: Wears a high-end purple business suit. Accessories: A gold monocle over his left eye. Item: A cane decorated with a lion's head. Personality and Abilities: Greedy, cold-hearted, and ruthless in achieving his goals. Financial Power: Possesses vast wealth, owning a giant submarine and a dredger. Goal: To build a luxury underwater hotel in Heartlake Bay and monopolize the treasure of the sunken ship "Sea Heart." Hostility: In sharp conflict with nature. Related Characters: Dickie and Joey (henchmen who follow the Friends to steal the treasure map but always mess up). Shadow (dog): Carter's pet dog who grows fond of Mia, much to Carter's annoyance.