Pia Jasmin Guerra is an American-born Canadian comic book artist and editorial cartoonist, best known for her work as co-creator and lead penciller on the Vertigo title Y: The Last Man. She has worked in the comics industry since the 1990s, and has also contributed to Doctor Who: The Forgotten, along with DC and Marvel comics. Guerra regularly does cartoons for The New Yorker, MAD Magazine and The Nib. She is the author of the Image Comics editorial cartoon book, Me The People.

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