The Cadre is a group of super-villains who battle the Justice League. Their leader is the Overmaster, an alien who gifted them with super-powers. His mission is to test humanity's fitness to inhabit Earth. The original members included Black Mass, Crowbar, Fastball, Nightfall, Shatterfist, and Shrike. The Cadre was created by Gerry Conway and Chuck Patton, first appearing in Justice League of America #235. (1985)
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