Haruhi Fujioka is the grounded, independent protagonist of the Host Club. Appearance: She is a petite girl with cropped, messy brown hair and large brown eyes. Due to a gum-in-hair incident, she initially cut her hair short, which—combined with baggy clothes and large glasses—led everyone to mistake her for a boy. Personality: Blunt, practical, and highly intelligent, Haruhi values inner character over physical appearance or status. She is unflappable, deeply empathetic, and unfazed by the hosts' wealthy antics. Despite her stoic exterior, she grows deeply fond of her eccentric friends. She knocked over a vase worth millions of yen and now she is a host to pay back this debt.

Kyoya Ootori is the calculating and intelligent "Shadow King" of the Host Club. Appearance: He is a tall, slender teenager with short, neatly combed black hair and sharp gray eyes. He wears thin, silver-rimmed rectangular glasses. He is usually seen holding a black notebook, looking sophisticated in his Ouran uniform. Personality: Kyoya is cool, analytical, and highly organized. He manages the club's finances with ruthless efficiency, often acting purely for profit or status. Behind this cold, detached businessman facade, he is secretly caring and fiercely loyal to Tamaki and the hosts, helping them from behind the scenes.

Is the flamboyant, "princely" president of the host club Appearance: He is a tall, slender half-French, half-Japanese teenager with striking pale-blond hair and expressive violet eyes (blue in the manga). He typically wears the elegant purple Ouran Academy school uniform. Personality: Outwardly dramatic, narcissistic, and eccentric, Tamaki functions as outspoken comic relief. Deep down, he is incredibly kind, empathetic, and dedicated to making others happy. He treats the club like a real family and is hilariously naive and oblivious to his romantic feelings for Haruhi.

is the elder of the mischievous Hitachiin twins in the Host Club. Appearance: He has short auburn hair parted to the right, sharp amber eyes, and a slender build. He is physically identical to his twin, Kaoru, often wearing the Ouran uniform with slight stylistic tweaks. Personality: Hikaru is loud, immature, and highly dependent on his brother. He plays the "little devil" archetype, using a playful, teasing facade to mask deep emotional walls. He struggles with jealousy and possessiveness, often lashing out when his secure twin dynamic is threatened. Underneath, he possesses a fiercely loyal but fiercely hidden soft side.

Is the younger, more mature of the Hitachiin twins. He features auburn hair parted to the left, amber eyes, and a slim build. He is physically identical to Hikaru, frequently wearing matching Ouran uniforms but using opposite parting to distinguish himself from his identical twin. Hes the younger, the more empathetic, sensible, and selfless twin. While he shares Hikaru's mischievous "little devil" persona, he is vastly more mature and considerate of others. He acts as the emotional anchor for their bond, willing to compromise his own happiness for his brother's personal growth and happiness.

is the tall, silent protector of the Host Club. Appearance: Standing at 6'4", Mori is the tallest and most muscular host. He has a dark, intimidating complexion, sharp dark eyes, and short-cropped black hair. His towering build radiates a powerful, stoic presence. Personality: Mori is quiet, loyal, and incredibly perceptive. He rarely speaks, communicating through nods or brief actions. He acts out of deep devotion to his cousin Honey, protecting him at all costs. Despite his scary look, he is gentle, kind, and possesses a strong moral compass that commands respect from everyone.

Is the cute, childlike visual center of the Host Club. Appearance: Despite being an 18-year-old senior, Honey is exceptionally short and petite with a youthful face. He has large, expressive brown eyes and short, fluffy golden-blonde hair. He is almost always seen carrying his favorite pink plush bunny, Usa-chan. Personality: Honey is bubbly, sweet, and loves cake and cute things. However, this innocent exterior masks a fierce martial arts genius. He is a deadly champion in judo and karate. When awoken from a nap early, he becomes terrifyingly angry, revealing a mature, perceptive side.

Renge Houshakuji is the Host Club's self-proclaimed manager and resident otaku. Appearance: She is a beautiful girl with long, flowing dark-blonde hair tied with a large pink ribbon. She has bright brown eyes and wears the standard long-sleeved Ouran girls' uniform. Personality: Renge is loud, intense, and completely obsessed with dating sims and anime. She often makes dramatic entrances rising from a motorized floor platform. Extremely assertive and delusional, she views the hosts through the lens of romance game tropes, aggressively assigning them character archetypes. Despite her chaotic nature, her insights into client desires actually help the club succeed