Eobard Thawne, also known as the Reverse-Flash and Professor Zoom, is a supervillain appearing in American comic books published by DC Comics. Created by John Broome and Carmine Infantino, the character first appeared in The Flash #139 (August 31st 1963) and has since endured as the archenemy of Barry Allen / The Flash. Eobard Thawne, as introduced by name in The Flash #153, is the first and most well-known character to assume the Reverse-Flash mantle, and is additionally a descendant of Malcolm Thawne and ancestor of Bart Allen, Thaddeus Thawne and Owen Mercer.