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Cosmic Boy
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Cosmic Boy (Character)
from "Legion of Super Heroes" (2006)

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Photos (See all 2 | slideshow) Related Videos (see all 13)
Legion of Super Heroes: Season 1: Episode 13 -- With the Sun Eater on a direct course for Earth's sun, the Legion has no choice but to ask bitter enemies for help to stop it.  Superman meanwhile has his toughest battle yet when he discovers the stealthy alien controlling the sinister machine.  Part 2 of 2

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Cosmic Boy is Rokk Krinn. He is a superhero. He... See more »


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  1. Lego DC Comics Super Heroes: Justice League - Cosmic Clash (2016) (V) Played by Yuri Lowenthal

  2. "Smallville"
    ... aka "Smallville Beginnings" - USA (rerun title)
        - Doomsday (2009) TV episode, Played by Ryan Kennedy
        - Legion (2009) TV episode, Played by Ryan Kennedy
  3. "Legion of Super Heroes"
        - Dark Victory: Part 2 (2008) TV episode, Played by Wil Wheaton
        - Dark Victory: Part 1 (2008) TV episode, Played by Wil Wheaton
        - In the Beginning (2008) TV episode, Played by Wil Wheaton
        - The Karate Kid (2007) TV episode, Played by Wil Wheaton
        - Cry Wolf (2007) TV episode, Played by Wil Wheaton
          (1 more)

  4. "Superman"
    ... aka "Superman: The Animated Series" - USA (informal alternative title)
        - New Kids in Town (1998) TV episode, Played by Chad Lowe

Additional Details

Fun Stuff

From "Superman: New Kids in Town (#3.3)" (1998)
Scientist: Didn't you hear me? I have no way of bringing you back.
Cosmic Boy: Let us worry about that.
Scientist: This is crazy.
Chameleon Boy: You asked for heroes. You didn't say anything about sanity.
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