Dally is tougher, colder person has a experience as a gang member in New York. Johnny is also a member of gang among greasers.
Explanation:
Dally cares about Johnny and treats him differently because johnny is the pet in the gang. The outsiders themes are society, loyalty, love, association and appearences.
The rules of greasers are they always stay together and buy things to eat among them. Johnny is the innocent person who is often hitten by his father and belittled by his mother. Dally always cares for Johnny and protects him from tough situations.
