The very first, 1940 anti-Nazi Marvel Boy (Martin Simon Burns).

These are obscure Green Lantern/Green Arrow/Black Canary 1970s characters. They apparently were active during far prehistory before being exiled off Earth.

Mercenary shapechanger. Fought Batman & the Outsiders. Part of a Ancient-Greek-themed group of mercenary baddies.

A young and redoubtable Amazon and Gorgon officer. She’s cool, in more ways than one. Delphyne primarily appeared in Marvel’s Hercules and Amadeus Cho stories. And yes, she looks awesome.

Mercenary criminal with flight and solid darkness powers.

Criminal mercenary with a hammer and fireballs.

Fencing and archery expert, apparently a mercenary working for criminals.

The 1984 one in Batman And The Outsiders. But he’s pretty much a non-entity. Clairvoyance power.

Giant brick deriving endless power from the ground.