Itsuki Koizumi

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Itsuki Koizumi
Japanese	古泉 一樹 Koizumi Itsuki
Voice actor (jp)	Daisuke Ono
Voice actor (en)	Johnny Yong Bosch

Itsuki Koizumi (古泉 一樹, Koizumi Itsuki^?) is a fictional character from the Haruhi Suzumiya light novel series, voiced by Daisuke Ono in the original version, and Johnny Yong Bosch in the English dubbed edition. Itsuki is the last member to have joined the SOS Brigade, having been recruited by Haruhi as a "mysterious transfer student". Itsuki was sent to observe and keep Haruhi emotionally stable, in order to protect the rest of humanity. Itsuki is constantly smiling and always speaks in a formal and polite manner. He is also prone to giving long and detailed explanations, usually illustrated by exaggerated hand gestures.

Out of the three Brigade members, Kyon is the least fond of Itsuki. He often finds himself annoyed with Itsuki's plastic smile, his willingness to acquiesce to Haruhi's outrageous schemes, playful teasing and his various forays into his psychological and philosophical theories. He is also distrustful of Itsuki's intentions, comparing him to Yuki Nagato when it comes to deciphering his expressions. Itsuki's fondness for speculation often causes him to produce explanations for situations involving the SOS Brigade, its members and related events. Ironically, Itsuki can only share his theories with Kyon and also enthusiastically plays different kinds of board games with him to pass the time, despite losing all the time, although Kyon suspects that he may be doing so on purpose.

Despite the theory he advances in which Haruhi is the equivalent of God, Itsuki says that there are many differing lines of speculation about Haruhi within "The Agency." Itsuki himself does not believe in a singular God, nor does he regard Haruhi as such, although he reveals that he has colleagues that do. Apparently, most of the questions that he raises about Haruhi's true nature are philosophical in nature and do not necessarily represent his personal beliefs. Itsuki also reveals that the majority of "The Agency" advocates observing Haruhi instead of doing anything that might provoke her.

[edit] The Agency

Itsuki is a member in a secret association which he simply refers to as "The Agency" (機関, "The Agency"^?). The members of this society consist of special humans known as espers who gained unique ESP-like powers and special knowledge regarding Haruhi three years ago. Since then, they have been actively protecting humanity by fighting giant beings known as Shinjin (神人, Shinjin^? Lit. "godlike person") within the closed spaces generated by Haruhi. Should the destruction of the Shinjin be left unchecked, the Closed Spaces generated would eventually take reality's place. He often gives his gratitude to Kyon for keeping Haruhi emotionally stable, and in turn, reducing the workload he and his colleagues are required to perform. Itsuki has also revealed that there are other factions that have not yet been revealed by Haruhi, and that "The Agency" is often in conflict with the other factions backing their respective agents within the SOS Brigade. For example, he suspects that Mikuru was chosen by the time-travelers for her beauty and for her ability to seduce Kyon, in order to control the group dynamic within the SOS Brigade.

Haruhi Suzumiya v • d • e
Series:	The Melancholy (book 1) | The Sigh (book 2) | The Boredom (book 3) | The Vanishment (book 4) | The Rashness (book 5) | The Disturbance (book 6) | The Scheme (book 7) | The Anger (book 8) | The Dissociation (book 9) | The Surprise (book 10)
Characters:	List of characters | Haruhi Suzumiya | Kyon | Yuki Nagato | Mikuru Asahina | Itsuki Koizumi
Lists:	List of anime episodes | List of Haruhi Suzumiya albums | List of character song albums