In the opening scene of Romeo and Juliet, Benvolio has a run in with Tybalt. When Benvolio tries to stop the fighting of a group of servants, Tybalt jumps in trying to fight. As a result, Benvolio is seen as a peacemaker.
In the opeining scene, the audience is introduced to Tybalt, the Prince of Cats. His first words are "What, art thou drawn among these heartless hinds...talk of peace! I hate the word, As I hate hell, all Montagues, and thee" This shows his quick temper.