What Y The Last Man Earth is
Brian K. Vaughan and Pia Guerra launched Y: The Last Man at Vertigo (DC) in September 2002. The premise: every male mammal except Yorick Brown and his capuchin Ampersand dies simultaneously. The series follows Yorick navigating the post-gendercide world. Sixty issues ran across 2002 to 2008. The 2021 FX adaptation was cancelled after one season.
Collector context
Y: The Last Man #1 trades modestly. CGC 9.8 is in the high two to low three figures.