Known best for his work for DC Comics and Marvel Comics, this cartoonist contributed to the 1980s Superman comics and to both the Fantastic Four and X-Men series. He also created several original comic book series, including Danger Unlimited and Next Men.
While attending the Alberta College of Art and Design (in Canada), he published his debut comic book, ACA Comix #1.
Shortly after its release, the first issue of his Alpha Flight comic book series sold well over 450,000 copies.
He was born in West Bromwich, England, to Nelsie and Frank Byrne. When he was eight years old, he relocated to Canada with his family.
He collaborated with fellow comic book artist Mike Mignola on the first few editions of Hellboy.