DC · December, 1961
1st Appearance of Clayface (Matt Hagen); 1st Appearance of Clayface II (Matt Hagen)
The Challenge of Clay-Face; The Man Who Impersonated J’onn J’onzz; cartoon: Lefty Looie; Man with the Badge (text); The Secret Sentry of the Sea
Writer: Bill Finger
Artists: Sheldon Moldoff, Joe Certa, Nick Cardy