Flash (Barry Allen) Heroes of DC Comics. Flash (Barry Allen) The Flash (Bartholomew Henry Allen) is a superhero who appears in comics published by DC Comics. The character first appeared in "Showcase" #4 (October 1956), created by writer Robert Kanigher and penciler Carmine Infantino. Barry Allen is a reinvention of a previous character called the Flash, who appeared in 1940s comic books as the character Jay Garrick. His power consists mainly of superhuman speed. Various other effects are also attributed to his ability to control the speed of molecular vibrations, including his ability to vibrate at speed to pass through objects. The Flash
Secret identity Secret identity A secret identity is a person's alter ego which is not known to the general populace, most often used in fiction. Brought into popular culture by the Scarlet Pimpernel in 1903, the concept is particularly prevalent in the American comic book genre, and is a more genre-specific version of the broader trope of the masquerade. In American comic books, a character typically has dual identities, with one identity being the superhero persona and the other being the secret identity. The secret identity is typically the superhero's civilian persona when they are not assuming the superhero persona. It is