Cosmic Boy is a superhero appearing in comics published by DC Comics. He is from the 31st century, and is a founding member and original leader of the Legion of Super-Heroes.
Cover art for Final Crisis: Legion of Three Worlds #3 (February 2009), art by George Pérez.
Cosmic Boy #1 (December 1986), art by Steve Lightle.
Part of the cover art for Legion of Super-Heroes vol. 5, #9 (October 2005), art by Barry Kitson.
Ryan Kennedy as Rokk/Cosmic Boy on Smallville.
The Legion of Super-Heroes is a superhero team appearing in American comic books published by DC Comics. Created by writer Otto Binder and artist Al Plastino, the Legion is a group of superpowered beings living in the 30th and 31st centuries of the DC Comics Universe, and first appeared in Adventure Comics #247.
The cover of Adventure Comics #247 (April 1958), the Legion's first appearance. Art by Curt Swan and Stan Kaye
The Legion of Super-Heroes as seen in the 1976 DC Calendar. Art by Neal Adams and Dick Giordano.
The Legion "five years later" by Keith Giffen and Al Gordon
Cover art for Legion of Super-Heroes (vol. 5) #37 (Feb. 2008); art by Francis Manapul and John Livesay.