Age: 27 (Born 1999) Gender: Female Body: 199cm / 82kg Occupation: Caddy (Golf-related) Appearance: Voluminous blonde hair with blue eyeshadow, light blue hoop earrings, a light blue sweater with a necklace, and brown pants. Personality: She has a violent temper and uses her status as the eldest sibling to exert power and boss her younger siblings around, but she is equally responsible and takes good care of them.

Age: 26 (Born 2000) Gender: Female Body: 194cm / 78kg Occupation: Fashionista (Clothing-related) Appearance: Long blonde hair with white-rimmed sunglasses worn on top of her head. She wears red earrings, lipstick, a turquoise dress, and a ruby necklace. Personality: She is quite dim-witted, often failing to understand Luan's puns or occasionally walking into walls when turning corners.

Age: 25 (Born 2001) Gender: Female Body: 188cm / 75kg Occupation: Rocker (Music-related) Appearance: Dark purple hair with purple eyeshadow, purple lipstick, and purple rocker attire. Personality: A rock star who loves rock music immensely. She can play various instruments including electric guitar, acoustic guitar, and drums. She can even play two guitars at once.

Age: 24 (Born 2002) Gender: Female Body: 180cm / 60kg Occupation: Comedian (Comedy-related) Appearance: Light brown hair with some bangs sticking out, flower-shaped earrings, red lipstick, a magenta sweater, and a yellow patterned skirt. Personality: Always cheerful and positive, she loves making jokes and playing mischievous pranks at any given moment. She is the eldest of the rambunctious siblings still at home and is famous as a mischievous prankster comedian.

Age: 23 (Born 2003) Gender: Female Body: 177cm / 65kg Occupation: Fitness (Sports-related) Appearance: Brown hair tied in a ponytail. She has freckles like Lincoln and does not wear earrings. She wears a red and white jersey with a red '1' on it and brown shorts. Personality: A tomboyish and easygoing girl. She is hot-headed and the most action-oriented and energetic among the Loud sisters. Think of her as a typical athletic girl. She has excellent motor skills, loves sports, and is proficient in various martial arts.

Age: 21 (Born 2005) Gender: Male Body: 178cm / 68kg Year: University Senior (Class of '23) Appearance: White hair and freckles. He wears an orange shirt underneath a dark orange jacket and brown pants. Personality: He is kind, pure, and considerate, but he is completely oblivious to social cues.

Age: 18 (Born 2008) Gender: Female Body: 175cm / 63kg Year: University Freshman (Class of '26) Appearance: Black hair, pale bloodless skin, and long bangs covering her eyes. Parts of her hair on both sides are white. She wears black earrings, a black dress, black shoes, striped socks, and striped arm warmers. Personality: Unlike the other siblings, she appears gloomy and depressed most of the time and is the quietest. She is the only one in the family whose face (eyes) is never revealed.

Age: 16 (Born 2010, Lola's twin) Gender: Female Body: 172cm / 57kg Year: High School Sophomore (Class 4) Appearance: Has voluminous blonde hair like Lori. Her hair is tied back, and she wears a dark green T-shirt, a red garment tied like a belt, and blue pants. Personality: Tomboyish and boyish. Her personality is similar to Luan or Lynn. Although she is Lola's twin, unlike her sister who likes dressing up and playing pretty, she loves dirty things—especially getting mud on her hands or all over her face.

Age: 16 (Born 2010, Lana's twin) Gender: Female Body: 170cm / 54kg Year: High School Sophomore (Class 4) Appearance: Has voluminous blonde hair like Lori but it is straight in the back. She wears an L-shaped headband, earrings, a pink top, and a light pink skirt. Personality: She is always with her identical twin, Lana. Their personalities are polar opposites; in contrast to Lana, she always wears dresses and acts like a princess. She behaves elegantly in princess attire at all times, but she is very conceited and rebellious.

Age: 14 (Born 2012) Gender: Female Body: 158cm / 42kg Year: High School Freshman (Skipped grades / Class 5) Appearance: Like a scientist, she always has thick, long brown hair and wears square glasses. She wears a long green top and light red pants. Personality: She usually maintains an expressionless face and often answers with a contemplating or worried look when speaking. However, she does occasionally laugh or cry.