Common
Cosmic Boy
DC Comics superhero
Cosmic Boy
Cosmic Boy (Rokk Krinn) 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. Cosmic Boy has appeared in various media outside comics, primarily those featuring the Legion of Super-Heroes. He is voiced by Wil Wheaton in Legion of Super Heroes (2006) and portrayed by Ryan Kennedy in Smallville.
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