Veteran artist Mike Ploog, known to comic fans as the co-creator of Ghost Rider, announced he will be retiring after a 47-year career. His career began with Filmation, as a clean-up artist on Batman and Superman, and eventually was promoted to layouts. He moved onto Hanna-Barbera, continuing his layout work until he became the assistant to Will Eisner.
He made his comic book debut on Werewolf by Night in 1972. Since then, he was credited as a co-creator of Ghost Rider and notable artist on Man-Thing, Planet of the Apes and The Monster of Frankenstein. Later in his career, he did minimal comic work, but teamed with J.M. DeMatteis on Abadazad in 2004.