Geoff Johns
52 years old
Geoff Johns is a comic book writer. He has written stories starring Superman, Green Lantern, the Flash, Teen Titans, and Justice Society of America. He is the author of graphic novels GREEN LANTERN...
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Slipknot
Worlds Of DC
by DC Comics
Slipknot is a fictional character, a supervillain, published by DC Comics. Created by Gerry Conway and Rafael Kayanan, the character made his first appearance in The Fury of Firestorm #28.
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