Starman in "The Menace of the Invisible Raiders"
First appearance of the Mist.
Shining Knight in "The Sky Pirates"
Hourman in "Reform School Racket"
Steve Conrad in "Strange Secret of Greed"
The Federal Men in "The Proving-Ground Spies"
Paul Kirk in "The Ten-Dollar Masterpiece"
Sandman in "The Man in Miniature"
Sandman vs. Professor Dr. Doombie, a criminal scientist with a formula that lets him shrink to commit crimes.