Issue 17 of the anthology comic Detective Comics, cover date July 1938, introduced Cosmo the Phantom of Disguise, created by Sven Elven. The issue also began the adaptation of The Insidious Dr. Fu Manchu. ("Speed Saunders: The Snake Death" "Larry Steele: Maine Castle Mystery pt I" "Cosmo the Phantom of Disguise: Von Ruytor's Explosive Gun" "The Insidious Dr Fu Manchu Pt I" "Bart Regan Spy: The Hooded Hordes" "Bruce Nelson: The Coolie Smugglers Pt I" "Buck Marshall: The Right Trail" "Slam Bradly Gets the Air" Detective Comics 17, DC Comic Event)