Which character describes boys as 'brutes' who eventually grow into men?

The character who describes boys as 'brutes' who eventually grow into men is Dunny, or Dunstan Ramsay. This perspective highlights Dunny's complex understanding of masculinity and personal development throughout the novel. He observes that while boys may exhibit brutal and aggressive behavior as they transition into adulthood, there is also potential for growth and maturity. This insight unfolds as Dunny reflects on his own life experiences and the nature of male relationships, indicating a deeper philosophical interpretation of youth and maturity.

Dunny’s characterization connects to broader themes in "Fifth Business," such as the struggle for identity and the nuances of human behavior. His acknowledgment of the brutish aspects of boyhood underscores his own challenges and those of the men around him as they navigate their paths into adulthood. This viewpoint enriches the narrative by inviting readers to recognize the transformative experiences that shape a person over time.