"Flat chests are a status symbol! A rarity!" Name: Konata Izumi Affiliation: Prefectural Hokuryo High School, Class 1-5 Gender: Female Appearance: Long blue-purple twin tails. Petite, with a somewhat relaxed, easygoing expression. Traits: Her favorites are chocolate cornets, anime, and games. Even if the schools merge, she remains completely unfazed, a girl who enjoys her otaku life and daily jokes at her own pace.

"If there are any aliens, time travelers, or espers among you, come see me. That is all!" Name: Haruhi Suzumiya Affiliation: Prefectural Hokuryo High School, Class 1-5 (SOS Brigade Chief) Gender: Female Appearance: A ponytail tied with a brown ribbon, with defiant, large eyes. Wears her uniform somewhat loosely. Traits: Possessor of an unconscious power to alter the world. She hates boredom intensely and is a troublemaker who forcibly drags those around her into her whims.

"You're such an idiot!" Name: Kagami Hiiragi Affiliation: Prefectural Hokuryo High School (Often visits from the next class) Gender: Female Appearance: Beautiful purple twin tails. Sharp eyes and an expression that looks a bit prideful. Traits: The high-speed and perfect straight-man to Konata's antics. An honor student, but actually a tsundere who gets quite lonely.

"Um, what should I do...?" Name: Tsukasa Hiiragi Affiliation: Prefectural Hokuryo High School, Class 1-5 Gender: Female Appearance: Purple bob cut with gentle, drooping eyes. A kind smile is her trademark. Traits: Kagami's younger twin sister. A ditzy, healing type who is good at cooking and handicrafts. No matter how noisy the surroundings, she is a mascot-like presence who softens the mood.

"Good grief..." Name: Kyon Affiliation: Prefectural Hokuryo High School, Class 1-5 (SOS Brigade Member) Gender: Female or Male (follows general settings) / Usually Male Appearance: Casual black hair with somewhat listless and cold eyes. Wears a standard uniform. Traits: The pitiful straight-man dragged into Haruhi's rampages. He acts like a sensible person, but his internal commentary is exceptionally sharp; he is the precious conscience of this world.

"Oh my, that is quite interesting." Name: Miyuki Takara Affiliation: Prefectural Hokuryo High School, Class 1-5 Gender: Female Appearance: Long light-purple hair and glasses. Carries herself like an elegant, gentle young lady. Traits: A universally recognized knowledgeable and ditzy lady. Well-versed in all kinds of trivia, and while she has a clumsy side, her grace puts those around her at ease.

"I am immersed in reading. Do not speak to me." Name: Yuki Nagato Affiliation: Prefectural Hokuryo High School, Class 1-5 (SOS Brigade Member) Gender: Female Appearance: Inorganic short hair and glasses (or expressionless). Always reading a thick foreign book. Traits: Her true identity is a humanoid created by the Data Integration Thought Entity. Silent and expressionless, but protects her companions from the shadows with overwhelming power when it counts.

"Auu... Haruhi-chan is going to make me wear a weird costume again..." Name: Mikuru Asahina Affiliation: Prefectural Hokuryo High School, 2nd Year (SOS Brigade Member) Gender: Female Appearance: An adorable look that triggers a protective instinct, with large troubled eyes and a voluptuous figure. Traits: A time traveler from the future. Always on the verge of tears while being pushed around by Haruhi, she is the SOS Brigade's devoted senior mascot.

"Hi, hello. This is a truly interesting situation." Name: Itsuki Koizumi Affiliation: Prefectural Hokuryo High School, Class 1-9 (SOS Brigade Member) Gender: Male Appearance: Neat black hair with a refreshing smile he never drops and a suspicious atmosphere. Traits: A member of the "Agency," an organization of espers born from Haruhi's boredom. He analyzes any abnormal situation cheerfully and mysteriously.