Orochimaru is a character from the popular manga and anime series "Naruto." He is a powerful and cunning ninja who is known for his experiments with genetic manipulation and his quest for immortality. Orochimaru was once a member of the legendary Sannin and a former student of the Third Hokage. He is often portrayed as a major antagonist in the series, with his sinister motives and dark past driving much of the plot.