Earth-TwoEarth-Two (also Earth 2) is a setting for stories (a "fictional universe") appearing in American comic books published by DC Comics. First appearing in The Flash #123 (1961), Earth-Two was created to explain differences between the original Golden Age and then-current Silver Age versions of characters such as the Flash, and how the current (Earth-One) versions could appear in stories alongside earlier versions of the same character concepts.
Flash (DC Comics character)The Flash (or simply Flash) is the name of several superheroes appearing in American comic books published by DC Comics. Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1 (cover date January 1940/release month November 1939). Nicknamed "the Scarlet Speedster", all incarnations of the Flash possess "superspeed", which includes the ability to run, move, and think extremely fast, use superhuman reflexes, and seemingly violate certain laws of physics.
HawkmanHawkman is the name of several superheroes appearing in American comic books published by DC Comics. Created by writer Gardner Fox and artist Dennis Neville, the original Hawkman first appeared in Flash Comics #1, published by All-American Publications in 1940. Several incarnations of Hawkman have appeared in DC Comics, all of them characterized by the use of archaic weaponry and by large, artificial wings, attached to a harness made from the special Nth metal that allows flight.
Power GirlPower Girl, also known as Kara Zor-L, Karen Starr and Paige, is a superheroine appearing in American comic books by DC Comics, making her first appearance in All Star Comics #58 (January/February 1976). Power Girl is the cousin of the superhero Superman, but from an alternate universe in the fictional multiverse in which DC Comics stories are set. Originally hailing from the world of Earth-Two, first envisioned as the home of DC's wartime heroes as published in 1940s comic books, Power Girl becomes stranded in the main universe where DC stories are set, and becomes acquainted with that world's Superman and her own counterpart, Supergirl.
Wonder WomanWonder Woman is a superhero created by the American psychologist and writer William Moulton Marston (pen name: Charles Moulton), and artist Harry G. Peter in 1941 for DC Comics. Marston's wife, Elizabeth, and their life partner, Olive Byrne, are credited as being his inspiration for the character's appearance. Wonder Woman appears in American comic books published by DC Comics. The character is a founding member of the Justice League. The character first appeared in All Star Comics #8 published October 21, 1941 with her first feature in Sensation Comics #1 in January 1942.
Justice Society of AmericaThe Justice Society of America (JSA), or Justice Society (JS), is a superhero team appearing in American comic books published by DC Comics. It was conceived by editor Sheldon Mayer and writer Gardner Fox during the Golden Age of Comic Books. It first appeared in All Star Comics #3 (Winter 1940–1941), making it the first team of superheroes in comic books. Its original members were Doctor Fate, Hourman, the Spectre, Sandman, Atom, the Flash, Green Lantern and Hawkman.
Silver Age of Comic BooksThe Silver Age of Comic Books was a period of artistic advancement and widespread commercial success in mainstream American comic books, predominantly those featuring the superhero archetype. Following the Golden Age of Comic Books and an interregnum in the early to mid-1950s, the Silver Age is considered to cover the period from 1956 to 1970, and was succeeded by the Bronze Age. The popularity and circulation of comic books about superheroes had declined following World War II, and comic books about horror, crime and romance took larger shares of the market.