Antonio

Antonio is Prospero 's brother who stole his title as Duke of Milan. Antonio was on board the boat that brought them to Prospero's island, and he wanders about with Alonso, Sebastian , and Gonzalo. Antonio formulates a plan with Sebastian to kill Alonso and overtake Naples, but their plan is unsuccessful due to Ariel 's interference. In the end, Antonio and the rest of the characters are forgiven and reprimanded by Prospero.