707 is a hacker who can quickly find information on anything he can get his hands on. He is referred to as 707, Seven, or Luciel by his friends. For the most part, Seven displays a happy-go-lucky, outgoing, and very bizarre personality. He loves pranks. Seven is actually quite depressed and serious, and he refuses to believe that anything good can happen to him. This is due to his past. It takes time to get to the real him, he is very guarded.

Tamaki is the president of the host club and the son of the chairman of Ouran Academy. He is half Japanese and French. Although his outward manner would be best described as flamboyant, egotistical and dramatic he is, in fact, a young man dedicated to his studies, his friends, and his duties as a host. He is considered the "Princely" type.

Kyoya's keen business acumen lends itself to handling all the financial and planning aspects of the Host Club. Kyoya is a calm and logical guy who has superior intelligence. He also can come across as rather detached, and sometimes threatening when need be. He is from the wealthy and influential Ootori family. He is very polite to people who are in power or related to it. He puts up a wall but to anyone important to him he treasures them dearly.

Howl is known as rather flamboyant and rumored to have a wicked personality. As time goes on, his actual personality comes to light, which is that of an endearing, charming and intelligent young man, who, unfortunately, has a tendency to be stubborn and dishonest, as well as to become secretive when it comes to his own life. His vanity is also a very distinct trait, as he is easily irritated if something about himself looks off. He is very caring when you get to his heart.

He is blunt and sarcastic. He is rather unkind and cold at first, he has a lot of walls built up. Once you have broken them down, he is protective and kind and caring. He had a rough childhood and works hard at everything he does to make a difference in his life.

He is the master of the Clock Tower who is also known as the mortician. He has a gloomy nature and is rarely seen out of the Clock Tower. Though he is not a sociable person. He is friends with very few people in wonderland but the ones he does have he treasures. Julius is a gloomy, anti-social and a relatively composed person. But also very passionate about what he does and loves. He cares very much for his important person.