Nagaru Tanigawa is a fictional character from the popular Japanese light novel series titled The Melancholy of Haruhi Suzumiya, written by Nagaru Tanigawa. He serves as the protagonist and narrator, often finding himself in unusual and supernatural situations involving Haruhi Suzumiya, a girl with god-like powers. Tanigawa is characterized by his laid-back personality and tendency to be drawn into the chaos created by Haruhi and their friends in the SOS Brigade. His experiences often highlight themes of friendship, adventure, and the complexities of high school life in a fantastical setting.