The Flash Created by writer Gardner Fox and artist Harry Lampert, the original Flash first appeared in Flash Comics #1 (January 1940)
Tag: Justice League
Superman (Kal-El, adopted as Clark Joseph Kent) Created by Jerry Siegel and Joe Shuster, Superman first appeared in Action Comics #1 (June 30, 1938)
Aquaman (Orin, adopted as Arthur Curry) Created by Mort Weisinger and Paul Norris, Aquaman first appeared in More Fun Comics # 73 (November 1941)
Batman (Bruce Wayne) Created by Bob Kane and Bill Finger, Batman first appeared in Detective Comics #27 (May 1939).