Starman in "Case of the Magic Bloodstone"
Starman vs. the Arab Avenger, a ghostly green figure who is actually the butler of the Bloodstone gem's owner, he deploys Dervishes of Death as his lackeys.
Shining Knight in "Adventure of the Stolen Armor"
Its the Shining Knight vs. crooks who steal a suit of his armor.
Steve Conrad in "Bullet-Proof Tigers"
Hourman in "Dr. Glisten"
Paul Kirk in "The Fishmen"
Sandman in "The Riddle of the Slave Market"
Featuring the first DC credits for Jack Kirby and Joe Simon.