At the beginning of the story, the narrator proclaims: "I am not crazy", but at the end of the story, he proves to the reader that he is not nothing else. More irony appears with the removal of the cat's eye. The cat always loved his owner and followed him everywhere and rubbed his head against his leg. After his eye was cut off, he sees better than before in the sense that he gains new insight into the evil and darkness that is his owner. The major irony of the story is that his own pompous arrogance is what gets him sent to prison. “The police were fully satisfied and ready to go. The joy in my heart was too strong to hold back. I burned to say even one word, by way of triumph, and to give them doubly assurance of my innocence. If he had just kept his mouth shut he could have gotten away with it.