His death was affirmed by longtime collaborator Paul Levitz on Facebook.
A stroke was attributed as the cause of death.
Keith was probably the most fertile creative mind of our generation in comics.
Keith GiffenYouTube/Dan Berry/The Convention Collective
He had an infinite number of ideas, pouring constantly out.
Many, thankfully, never saw print as wholly insane or inappropriate.
But the ones that did!
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Keith was a curmudgeon by choice, an act he perfected and enjoyed.
He was a family man when out of public view, and his soft moments came out there.
And hugs to his kids, grandkids and great grandkids.
No information on memorial plans was immediately available.
