Mercutio is the most important character in Romeo and Juliet.

In Romeo and Juliet each character has a specific role. Mercutio's role is the most important. He is the kinsman to the prince and Romeo's closest friend and confidante, and in this role he can be very inluential to Romeo and can influence the decisions made and the directions the play takes. He uses his humour and wit to lead the other characters to the climax. He is in a difficult position, as the friend …

…but best remembered for his quick wit and humour in otherwise boring or serious situations, he plays a vital part in the play because he can move the play in new directions, being Romeo's friend and the Princes kin. He finds it hard to stay neutral in the feud and this contributes to his death in the end. It is because of these characteristics that he is the most remembered character in Romeo and Juliet.