Cinna is a character from William Shakespeare's play, Julius Caesar. He is a poet who is mistakenly identified as a conspirator against Caesar due to his shared name with Cinna the Conspirator. This mix-up leads to his tragic fate, as he is attacked by a mob seeking revenge on the conspirators. In the play, Cinna's role highlights themes of misunderstanding and mob mentality. His death serves as a commentary on the dangers of chaos and the consequences of blind vengeance, illustrating how innocent individuals can suffer in turbulent political times.