The Island of the Day Before

Main Characters and Their Development

• Roberto della Griva - the protagonist, a young Italian nobleman who finds himself on an abandoned ship in the Pacific Ocean. Throughout the book, he reflects on his life, love, and philosophy, gradually revealing his inner struggles and personal growth.
• Ferrante - Roberto's imaginary twin brother, who embodies his dark side and internal conflicts. Through interactions with Ferrante, Roberto becomes aware of his fears and weaknesses.
• Lagrange - a scientist and Roberto's mentor, who teaches him navigation and sciences. Lagrange plays a crucial role in Roberto's intellectual development and understanding of the world.
• Casanova - a mysterious character who appears in Roberto's memories and symbolizes his longing for adventure and romance. Casanova influences Roberto's worldview and his approach to life.