Barry Allen is a fictional character from the DC Comics universe, best known as the superhero The Flash. He first appeared in 1956 and is characterized by his super-speed abilities, which allow him to move and think at incredible velocities. Barry is a forensic scientist by profession, using his skills to solve crimes and help others. As The Flash, Barry Allen fights various villains, including Reverse-Flash and Zoom, while also being a member of the Justice League. His story often explores themes of heroism, sacrifice, and the impact of time travel, as he can manipulate time through his speed.