describe the difference between ralph and piggy?

Physically Ralph is described as well built, "fair" and good looking. Golding stets that Ralph might have been a boxer" in later years. Piggy is distinguished only by his fat,asthma and myopia. Initially Ralph is a boy filled with wonder about being stranded on an island. He lacks Piggy's intellectual sophistication and logical thought. Piggy has been conditioned to be a victim in the old world. He desperately seeks attention and reinforcement from those he finds are safe. He is a methodical thinker. He is empathetic to the littluns who are treated badly because he has been treated the same way. It is important to note that both boys evolve through the book.