Tyler Durden is a fictional character from the novel Fight Club by Chuck Palahniuk, which was later adapted into a film directed by David Fincher. He is portrayed as a charismatic and rebellious figure who challenges societal norms and consumer culture. Tyler represents the darker aspects of masculinity and the desire for freedom from societal constraints. In the story, Tyler forms an underground fight club as a way for men to reclaim their identities and express their frustrations. His philosophy promotes self-destruction and anti-materialism, leading to increasingly radical actions. Tyler's character serves as a critique of modern society and the emptiness of consumerism.