Mark Waid has written for every major comics publisher, including DC Comics, Marvel Comics, Archie, Dark Horse, Image and Top Cow. His credits include JLA, 52, The Brave & The Bold and Legion Of Super-Heroes for DC Comics, as well as X-Men and Fantastic Four for Marvel Comics. He is best known for his long run as writer on the monthly adventures of The Flash and for his work with artist Alex Ross on the best-selling Kingdom Come.