The following characters are villains who are generally enemies of the hero known as the Flash. Trending pages Uxas Alexander Luthor, Jr. Steppenwolf Parademons George Harkness All items (7) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other A Apokoliptian Military D Darkseid's Elite G George Harkness L Alexander Luthor, Jr. P Parademons S Steppenwolf U Uxas Categories: Villains Justice League Villains Community content is available under CC-BY-SA unless otherwise noted.