Itsuki Koizumi

古泉一樹

Main character in The Melancholy of Haruhi Suzumiya.

Profile

Gender	Male
Age	16-17

Itsuki is the last member to have joined the SOS Brigade, having been recruited by [Haruhi Suzumiya](https://anilist.co/character/251/Haruhi-Suzumiya) as a "mysterious transfer student". 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. Itsuki's fondness for speculation often causes him to produce explanations for situations involving the SOS Brigade, its members and related events. Itsuki only tends to share these explanations and theories with [Kyon](https:...