Character(s):
The Flash [Barry Allen] (introduction, scientist, origin); The Flash [Jay Garrick] (image only); Iris West (introduction); The Turtle Man [aka later as The Turtle] (villain, introduction)
Synopsis:
By a freak accident involving lab chemicals and lightning, Barry Allen becomes the fastest man alive and originates a costume based on the comic adventures of the Flash from the 1940's. And it's a good thing too: for he must now face the Turtle Man, termed "The Slowest Man Alive".
Character(s):
The Flash [Barry Allen]; Mazdan (villain)
Synopsis:
The criminal Mazdan was tried for his crimes and sentenced to be sent to a future time period where he could harm nobody but was accidentally sent backwards to the 20th century, where he is captured by the Flash.