Haruhi is a fictional character from the popular Japanese light novel series titled "The Melancholy of Haruhi Suzumiya," created by Nagaru Tanigawa. She is a high school student known for her eccentric personality and strong desire to find aliens, time travelers, and espers. Haruhi's actions often lead to unexpected adventures for her classmates, who form the SOS Brigade to accommodate her whims. The series explores themes of reality, perception, and the impact of one individual's desires on the world around them. Haruhi's character has become iconic in anime and manga culture, inspiring various adaptations, including an anime series and video games.