Gregor Samsa is the central character in Franz Kafka's novella, The Metamorphosis. He wakes up one morning to find himself transformed into a giant insect, which leads to a profound exploration of alienation and identity. His sudden change affects not only his life but also the dynamics of his family, who struggle to cope with his new form. As Gregor grapples with his new reality, the story delves into themes of isolation and the human condition. His transformation serves as a metaphor for the struggles of modern life, making The Metamorphosis a timeless piece of literature that resonates with readers across generations.