Caliban is the prime example. He is introduced in the first act and is the antagonist. Caliban is perceived as rebellious and mischievous from the beginning of the play. When he is introduced in the first act he seems very angry. “The island is mine… which you take from me” (Shakespeare Act 1). Caliban seems very bitter compared to Prospero's great servant, Ariel. It's like night and day between the two. This quote comes from Act 1: "You taught me the language; and my profit upon it / Is, I know how to swear." Caliban is saying that the only thing Prospero has done for him is taught him the language. He feels that the only thing he can do with what he has been taught is to curse and complain. During the show you can observe that it's all Caliban