Characters created for the title, including Green Lantern, the Atom, the Red Tornado, Doctor Mid-Nite, and Sargon the Sorcerer, later became mainstays of the DC Comics line.

[6] The Golden Age Atom debuted in #19 (October 1940)[7][8] and Mayer created the original Red Tornado in #20 (November 1940).

[9][10] Doctor Mid-Nite first appeared in #25 (April 1941),[11][12] while Howard Purcell and John Wentworth introduced Sargon the Sorcerer in the following month's issue.

[13] Alfred Bester and Paul Reinman created the monstrous supervillain Solomon Grundy in #61 (October 1944).

[19] A May 1999 one-shot issue by writer Ron Marz and artist Eduardo Barreto was a part of the "Justice Society Returns" storyline.