Haruhi Suzumiya is a fictional character from the light novel series created by Nagaru Tanigawa. She is a high school student known for her eccentric personality and strong desire for excitement, often seeking out supernatural phenomena. Haruhi unknowingly possesses the ability to alter reality, which leads to various adventures for her friends. The series follows Kyon, the protagonist, who becomes involved with Haruhi and her club, the SOS Brigade. The club's mission is to find aliens, time travelers, and espers, reflecting Haruhi's interests. The story explores themes of friendship, individuality, and the impact of one's desires on reality.