Y: The Last Man is a post-apocalyptic alternate history graphic novel series written by Brian K. Vaughan and illustrated by Pia Guerra. The story takes place in a world where a mysterious event has caused all mammals with a Y chromosome to die, except for one man and his pet monkey. Y: The Last Man follows the journey of this man, Yorick Brown, as he navigates a world dominated by women and tries to uncover the truth behind the catastrophe. With its compelling characters and exploration of gender dynamics, Y: The Last Man offers a unique and thought-provoking take on the alternate history genre.