acceleration. He could make himself invisible by vibrating his body at high frequencies and disguise his features by vibrating his molecules. Once he met Barry Allen, he surpassed his limitations, citing running at 'twenty times the speed of sound', seemingly able to tap into the Speed Force. He has since displayed speed absorption, time travel and interdimensional shifting abilities. When Bart Allen absorbed the Speed Force during Infinite Crisis, his speed was diminished to the same level as his early adventures. He struggled to surpass the speed of sound and lost many of his higher powers. Once the Speed Force returned, Jay's powers were fully restored. Collected editions This is a list of collected editions or reprints of Flash Comics and other comics featuring Jay Garrick. The Archives are hardcover. All of the others are softcover trade paperbacks. Supporting characters Joan Garrick Joan Williams, later Joan Garrick, is a fictional character from DC Comics, a supporting character and romantic interest of Flash (Jay Garrick). She was the earliest recurring supporting character of Flash within the DC Universe. First depicted as the girlfriend, and later wife, of Jay Garrick. The character was created by Gardner Fox and Harry Lampert and first appeared in Flash Comics #1 (January 1940). She appeared in the cover alongside Flash on the issue. She would remain the supporting character of the titular character throughout the Golden Age, and she was revived through the Silver Age in "Flash of Two Worlds" where she is revealed to be a part of Earth-Two. Joan Williams was depicted as the college crush of Jay Garrick, who Joan originally rejected. Later, after obtaining speedster powers, Jay used them to become a football star to impress Joan and later decided to be a superhero, the Flash. The Flash helped Joan when his father was kidnapped. She would remain a girlfriend and confidante to the Flash. Unlike Lois Lane and Superman, Joan was always aware of the Flash's secret identity. The events of Crisis on Infinite Earths retconned both Jay and Joan and the entire Keystone City citizens as being in a coma until Barry Allen revived them. The couple ultimately married, and Jay retired from the Justice Society of America for a while until later returning to the group. Joan was described as an essential part of the Golden Age Flash's life in later decades by Mark Ginnochio of Comicbook.com. Joan and