Y: The Last Man, written by Brian K. Vaughan and illustrated by Pia Guerra, is a gripping alternate history graphic novel series set in a world where a mysterious event has caused all mammals with a Y chromosome to die, except for one man named Yorick Brown and his pet monkey. As Yorick becomes the last surviving male, he embarks on a journey to find his girlfriend and uncover the truth behind the catastrophe. Y: The Last Man explores themes of gender, identity, and survival, offering a unique and thought-provoking take on the alternate history genre.