Cosmic Boy
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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.
Cosmic Boy made his live-action debut in an episode of Smallville,... Wikipedia
Fictional universe: DC Universe
Creators: Al Plastino and Otto Binder
First appearance: Adventure Comics #247 (April 1958)
Team affiliations: Legion of Super-Heroes
