* Loyal: Tony is a loyal friend and family member, and he is willing to do whatever it takes to protect them. He is also loyal to his gang, the Sharks, and he defends their honor when it is challenged.
* Impulsive: Tony is often impulsive and quick to react, sometimes without thinking through the consequences of his actions. This impulsiveness leads him to make mistakes that have tragic consequences.
* Naive: Tony is naive and believes in the best in people. He is unwilling to see the darker side of life and the violence that exists in his neighborhood. This naivety makes him vulnerable to being manipulated by others.
* Rebellious: Tony is a rebellious young man who chafes at authority and convention. He rejects the expectations of his family and society and wants to live life on his own terms. This rebellious nature leads him to conflict with his parents and the law.