Who's This? That gorgeous Jerry Ordway pirate character on page 4 of Who's Who vol.III, that's who. A pirate as a hero? The conceit was that he served the English crown by giving the Spaniards a bloody nose. You know how the 16th century was.
How you could have heard of him: One of Justice League of America's Crisis in Time stories (#159-160, in 1978) featured various historical heroes, including Jon Valor, as did the All-Star Squadron Crisis issues, but modern readers may best remember him as a ghost who helps Jack Knight in Starman, having been hanged in the port city that would become Opal at the end of his career. Grisly. His grandson Jack Valor was recently seen helping Batman back in time in The Return of Bruce Wayne under the name Black Pirate.
Example story: Sensation Comics #8 (1942)
So even as King Phillip II of Spain is hatching a plan to catch Sir Francis Drake AND the Black Pirate with their britches down, the Pirate's got a small mutiny on his hands. A couple of his men aren't too confident they can survive a tussle with the Spaniards, see, and swordplay ensues. But can the Black Pirate take on two men? Who knows? Cuz his boy Justin does this:
Who else? As with other volumes of Who's Who, it features many characters that were veritable unknowns at the time that have since made a splash - Black Orchid chief among them! Even Brother Power got a lot of references and his own Vertigo special, while B'wana Beast got to co-star with some regularity in the Brave and the Bold cartoon. Of course, if you have special requests from this issues, I'm all ears and could get them on the second pass. Let me know WHO.