Starman in "The Case of the Monstrous Animal-Men"
Starman vs. Ivan Karloff, a scientist turning crooks into animal-men to commit crimes.
Hourman in "The Case of the Highbrow Hoods"
Its Hourman against criminal academics.
Steve Conrad in "Tarsi, the Tiger Boy"
Shining Knight in "The Castle in the Air"
The Shining knight takes on crooks with a flying fortress.
Manhunter in "Scavenger Hunt"
Sandman in "The Man Who Knew All the Answers!"
The Sandman and Sandy vs. Hiram Gaunt, the Answer Man.