Monsterverse
An alien orphan, thought to be last survivor of a doomed world, the Manhunter serves as Superman, and has a more frightening alien appearance when he's 'on the job.'
Bruce was bitten by a bat as a child, and grew into a creature of the night, the vampire hero known as Batman, who stalks the Gotham nights and keeps evil-doers appropriately terrified of the dark.
Diana is a golem, fashioned from lifeless clay by her mother, with the great strength and durability one would expect from her beautiful but gray and stone-hard appearance.
'Arthur' is a creature of the deep trenches, come to the surface world to protect his beloved ocean home and terrifying fish-people, but also the world which they begrudgingly share with us.
From the jade lamp, comes forth a small blue genie to attempt to twist the wishes of Hal Jordan, the pilot who found him after his plane was downed in the middle East. Still, Hal's wit and will generally manages to force the petulant genie's magic to the service of good.
I suppose there should be a Flash-monster, and someone related to Frankenstein's monster or a werewolf, but my brain just quit on this idea and left me hanging.