Answer:
The first impression we have of Caesar is formed in Act I through Casio's speeches. Cassius hates Caesar and is bothered by his rise to such great power in Rome. He describes Caesar in bitter and mocking words, showing his contempt. In the eyes of Cassius, Caesar does not justify the control he wields. Through two specific stories he tells, Cassius introduces Caesar as lacking courage and physical strength. Therefore, Caesar's first impression is that because he is weak, he is not in a position to rule Rome.
The famous character Brutus listens to other famous character Cassius, but offers no such criticism. His concern regarding the Caesar government is that it has gained too much power and may be a threat to freedom in Rome. His doubt immediately raises questions in the play regarding Caesar's nature and intentions. Looking for all the power? Do you want to become king in Rome? When Caesar subsequently rejects a symbolic crown offered by people three times, his actions are viewed skeptically by his critics, leaving this question regarding his character unsolved.
César's character is developed by César himself in the second scene of Act II. The night before the Ides of March, he seems sympathetic as he takes Calpurnia's anguish seriously. However, another side is revealed when he casts his feelings aside and decides to go to the Senate once he believes his absence will raise questions about his courage. He speaks of himself in the third person, vouching for his own courage.
