The Play "Twelfth Night" by William Shakespeare

Dramatic irony is used to create comedy in this play. Write an essay explaining the effectiveness of this literary device in the first Act of "Twelfth Night".
Twelfth Night
In the play "Twelfth Night" by William Shakespeare the playwright uses much dramatic irony. Dramatic irony occurs when the audience knows something in the play that the characters themselves do not know, but act out. It is very effective in creating humor and comedy. Here are some examples of dramatic irony:
Towards the end of scene four the Duke wishes to send Cesario to court Olivia for him. The Duke believes that Olivia will pay more attention to Cesario and be able to relate to him better because he is young and good-looking. The Duke does not realise that the reason Viola looks this way is because she is female.
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