Harley Quinn is the former girlfriend and sidekick to the Joker; a criminal psychologist turned flamboyant criminal menace. Though at first she seems sweet, giddy, and girlish, that's just one side of Harley's personality. She's also vicious, violent, and a fierce fighter.

Diana of Themyscira is an Amazon warrior princess and one of the world's first superheroes, known as Wonder Woman. She is the daughter of Queen Hippolyta and Zeus, the king of the Old Gods, as well as a member and co-founder of the Justice League. She is a compassionate caring, stubborn, opinionated, highly competitive, outgoing, immortal Amazon. Wonder Woman is a warrior born. She tries to avoid conflict but if pressed she will engage in battle and on occasion lose herself in the pleasure of battle.