Ace FBI agent James Woo as he was portrayed during the 1950s in Yellow Claw stories published by Atlas Comics, the predecessor of Marvel Comics.

A very early (1947) African-American comic book hero, from the pages of the sole issue of All-Negro Comics. Ace Harlem is a talented police detective operating in, well, Harlem.

The original, 1940s one. An agent of “Satan” with infernal powers… who oddly acts just like a Golden Age killer vigilante.

A 1942 super-heroine with pet spiders.

Once a major foe of the 1940s Green Arrow, now forgotten. He had a little something, but I guess it wasn’t enough.

Obscure scientific assistant from a forgotten Atlas Comics short story. But one with a 1950s twiiiiist.

An obscure 1947 enemy of the Batman. Gangster-with-a-gimmick type.

An obscure Golden Age teen heroine in the DC Universe. She more or less fights crime with a skipping rope.

This is Marvel Boy (Bob Grayson) as published by Timely Comics during the early 1950s – the Golden Age version of the character. Includes a full description of his adventures and how to make them explicitly in continuity.