Mercutio feels contempt for Tybalt and describes him as a skilled but arrogant duelist. A notable quotation is: "Tybalt, you rat-catcher, will you walk?"
In this line, Mercutio insults Tybalt by calling him a "rat-catcher," suggesting that he is lowly and not worthy of respect. The phrase implies that Tybalt is devious and a troublemaker, reinforcing Mercutio’s view of him as someone who is overly aggressive and eager to fight. This characterization reflects Mercutio’s disdain and playful defiance, revealing his perception of Tybalt as a pompous bully rather than a noble adversary.