Miranda Prospero's only daughter, and so young that she cannot remember anyone she knew before she came to the island. Gonzalo is optimistic, good-tempered, and loyal; he is one of the unquestionably good characters in the play, with no apparent dark side in him. For the brief span of the play, Ferdinand is completely lovelorn and presumed dead by his father because they are separated during the shipwreck; out of his infatuation with Miranda, he agrees to become Prospero's servant for a span.
Another example of Prospero's goodness is when he stops Alonso from apologizing to Miranda, telling him that there is no need for more amends.
Read an in-depth analysis of Caliban. And he seems surprised but not stunned when he awakens from a long sleep at the end of the play. He blames his decision to marry his daughter to the Prince of Tunis on the apparent death of his son.
Alonso's butler. He provides a sense of hope and optimism when Ferdinand is lost. He arrives on the island drunk and quickly becomes involved in a plot to murder Prospero.
When Caliban meets him, he immediately dislikes him and his inebriated insults; but, Trinculo does become a part of Caliban's plan to murder Prospero and take over the island, though Trinculo proves completely ineffective in this.