Mr. Hyde is a character from the novella "Strange Case of Dr Jekyll and Mr Hyde" written by Robert Louis Stevenson. He represents the darker side of Dr. Jekyll, a respected scientist. Hyde is known for his violent and immoral behavior, contrasting sharply with Jekyll's good nature. The story explores themes of duality and the struggle between good and evil within a person. As Jekyll transforms into Hyde through a scientific experiment, he grapples with the consequences of unleashing his repressed desires. This transformation ultimately leads to tragic outcomes for both characters.