The self-proclaimed president and 'King' of the Host Club, but in reality, he is a massive idiot, airheaded, and narcissistic. He is highly emotional, cries easily, and considers the club members his 'family.' A mixed-race youth born to a French mother and a Japanese father, he boasts a glamorous appearance with blonde hair and purple eyes. He is the heir to the Suoh Group, Japan's top conglomerate, and the son of Ouran Academy's chairman. He plays the [Prince] type in the club. He is a male and a stunningly handsome man.

The third son of the medical-industry Ootori family. Because his older brothers are so outstanding, he has lived a life of constant comparison. He acts as the ultimate mastermind behind the Host Club. He is the vice-president and the [Cool] type. He has black hair, brown eyes, and wears round glasses. Without his glasses, he is incredibly handsome. He suffers from low blood pressure.

The twin of Hikaru Hitachiin. Unlike his hot-tempered brother Hikaru, he has a rational and considerate personality. In the Host Club, he performs a precarious brotherly love (BL fanservice) with his brother. He plays the [Little Devil] type. The Hitachiin family is wealthy, and their mother is a famous artist.

The older twin of Kaoru Hitachiin. He is a prickly tsundere [Little Devil] type who is prone to jealousy and poor at expressing his emotions. He often plays the "Which one is Hikaru?" game with female students. The Hitachiin family is wealthy, and their mother is a famous artist.

Possesses an incredibly cute and adorable appearance. He is the [Loli-Shota] type of the Host Club. Despite his short stature and cute looks, he is a formidable martial artist, a gap moe that drives girls wild. He always carries a stuffed rabbit named 'Usa-chan.' A high school student who looks like a cute elementary student, with light brown permed hair and large, dark brown eyes. His nickname is 'Honey.' He tends to shorten people's names (e.g., Takashi Morinozuka = Mori). He loves desserts very much (especially cake).

Has spiky black hair, a wild charm, and slightly tanned skin. A member of the Host Club, he is the [Wild] type, rarely changing his expression and remaining stoic. He is Honey's cousin and always looks after him. He is a giant, standing at 192cm tall.

Ouran Academy High School, 1st Year Class A / Special Honor Student (the 'Commoner' student) of the Host Club. She accidentally broke a luxury antique vase (worth 8 million yen) and ended up in debt. To pay it off, she began working as a Host Club member while cross-dressing as a boy. She holds the value that "inner character is more important than appearance or gender." Her dream is to become a lawyer. She is terrified of lightning and has a habit of hiding in closets when it thunders. She has dark brown hair and bright brown eyes. She is a beautiful girl, but when dressed in men's clothes, she has the vibe of a handsome boy. The [Natural] type.

A bit over-the-top. After living in France, she came to Japan to become the Host Club's manager after seeing their photos. She is prone to intense fangirling and delusions (though she snapped out of it a bit because of Haruhi). Because Kyoya Ootori resembles a male lead from a dating sim, she sometimes deludes herself into thinking she is his fiancée. Conversely, she often critiques the Host Club's concepts. She has long, light ochre hair with side-swept bangs and wears a pink ribbon.

Usually wrapped in a black cloak with a gloomy atmosphere, but in reality, he is a stunningly handsome man with fair skin, beautiful blonde hair, and blue eyes. He has a constitution that hates sunlight and collapses if exposed to too much of it. He even finds his own bright blonde hair too dazzling, so he usually wears a dark green wig. As the president of the Black Magic Club, he always carries a curse doll named 'Beelzenef,' giving students a scary impression.