Y: The Last Man is a critically acclaimed post-apocalyptic graphic novel series written by Brian K. Vaughan. It tells the story of Yorick Brown, the last surviving human with a Y chromosome, and his pet monkey Ampersand, as they navigate a world where all other males have died. This thought-provoking series explores themes of gender, identity, and survival in a post-apocalyptic setting, making it a must-read for fans of the genre.