Rokk Krinn was the leader of the Legion of Super-Heroes under the code-name Cosmic Man. He granted membership to Batman, who was taken out of the past by his brother Superman.


Powers

  • Braalian Physiology: Cosmic Boy is a Braalian who have the natural ability to lift and manipulate metal. Cosmic Boy can produce a number of effects.

Abilities

Related

Footnotes


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Legion of Super-Heroes member
This character is or was a member of the Legion of Super-Heroes from the 30th/31st Century, in any one of their various continuities. Including but not limited to, Original Legion, the Reboot Legion, Prime Legion and the Post-Rebirth Legion.
This template will categorize articles that include it into the "Legion of Super-Heroes members" category.

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