This is a bit of an obscure silver age villain. Hailing from a world where fairy tales were real, Strogo was a powerful sorcerer on a world where dark magic was a finite mine-able resource. He had an army of goblins, ogres, witches, wolf men, centaurs, and a shapeshifter named Changling who did his bidding as he did things like laying siege to Cinderellas castle and crushing Prince Charming to death in a mime box.
He never moved beyond his first appearance and his most defining trait was the setting he came from