Green suffered from a rare psychological condition called "moonitis"; whenever he sees or experiences a full moon, he becomes ruthless and evil, and horrifically violent towards others.

Throughout his career, Green has been thwarted and apprehended by the hero called Captain Marvel, Jr. They have clashed several times thereafter, with the similar results.





Monster Society of Evil 01
Marvel Family Villain
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This character is or was primarily an enemy of Captain Marvel, the Wizard Shazam, or any of the extended members of the Marvel Family. This template will categorize articles that include it into the category "Marvel Family Villains."