Dr. Jekyll is of good character, very handsome, polite, tall, people person, and is often very ill, where as Mr. Hyde is a very aggressive man, short, strong, very disturbing at the sight, controlling, and a non moral having brute. I believe they are one individual with two different personalities because for instance the letter Dr. Jekyll gave to Mr. Utterson was from Mr. Hyde, but Mr. Uttermost had discovered it was the handwriting of Dr. Jekyll. No one has never seen Mr. Hyde anywhere in public besides at night, no one knows of his background, history, relationships except for the relationship with Dr. Jekyll. The explanation for the appearance only at night could be an example of the duality theme; Dr. Jekyll is of good nature and is the