How is Tybalt presented in act 1?

Tybalt is presented in act 1 of Romeo and Juliet as a hot-headed and aggressive individual. He is quick to anger and eager to fight, even over minor slights. This is most evident in the scene where he challenges Romeo to a duel after Romeo interrupts the Capulet ball. Tybalt is also shown to be quite proud of his family name and honor, as he constantly refers to the importance of maintaining the Capulet reputation. Additionally, Tybalt is fiercely loyal to his family and will defend them at all costs, even if it means resorting to violence.