(role of...)- Ex. Oompa Loompas, Represented the didactic purpose- lesson- of the play, Group of 15 men- considered a civic duty, Tension release (commercial), Linked audience to the actors- can talk to the audience and the actors (broke the fourth wall- like Ferris Bueller), Reflected on what had just happened, Advised central characters, Ethical conscience, Created suspense and excitement, Appeared at perfectly planned times- not random, Separated one scene from another