First appearance = All-Star Squadron #45 (May 1985):
though readers of Wonder Woman #240 (February 1978) may have felt like they had seen Zyklon before:
From Who's Who: The Definitive Directory of the DC Universe Vol. XXVI (April 1987)
First appearance = All-Star Squadron #45 (May 1985):
though readers of Wonder Woman #240 (February 1978) may have felt like they had seen Zyklon before:
From Who's Who: The Definitive Directory of the DC Universe Vol. XXVI (April 1987)