In Greek mythology, Narcissus was a hunter from the territory of Thespiae in Boeotia who was renowned for his beauty. He was exceptionally proud, in that he disdained those who loved him. Nemesis noticed this behavior and attracted Narcissus to a pool, where he saw his own reflection in the water and fell in love with it, not realizing it was merely an image. Unable to leave the beauty of his reflection, Narcissus drowned. Narcissus is the origin of the term narcissism, a fixation with oneself.
Reference: Wikipedia