Al Rothstein is a super-hero with the ability to grow in size and incredible strength. The godson of Golden Age, hero The Atom, he is part of a costumed legacy. Originally he used the name Nuklon, although he later evolved to become Atom Smasher. He has been a member of the Justice League, Justice Society, Infinity, Inc., Suicide Squad and the Conglomerate. Nuklon was created by Roy Thomas and Jerry Ordway, first appearing in All-Star Squadron #25. (1983) James Robinson, David S. Goyer and Steve Sadowski reinvented him as Atom Smasher in JSA Secret Files and Origins #1. (1999)

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