What is Johnny Quick?

Johnny Quick is the name of two fictional superheroes appearing in American comic books published by DC Comics. The original Johnny Quick, Johnny Chambers, was a Golden Age speedster with powers similar to those of The Flash, introduced in 1941. A later version of Johnny Quick is a supervillain from an alternate universe, part of the Crime Syndicate, an evil counterpart to The Flash. Both versions are known for their super-speed abilities and have played significant roles in various DC storylines.