Y: The Last Man is a post-apocalyptic alternate history graphic novel series written by Brian K. Vaughan and illustrated by Pia Guerra. 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. The series explores themes of gender, identity, and survival in a society dominated by women. Y: The Last Man is a compelling and thought-provoking exploration of gender dynamics in an alternate world.