Cosmic Boy
Rokk Krinn

Religion: not determined yet

Name: Cosmic Boy

Alter Ego: Rokk Krinn

Other Names: Polestar; Time Trapper

Classification:  hero  

Publisher(s):

First Appearance: Adventure Comics (vol. 1) #247 (Apr. 1958): "The Legion of Super-Heroes"

Creators: Otto Binder, Al Plastino

Super? (Has Super Powers/Special Abilities/Technology): Yes

Number of Appearances: 541

   Comic Book Appearances: 532

   TV, Film Appearances: 9

Teams/Affiliations: The Legion of Super-Heroes

Planet: Braal

Gender: male

This character is in the following 27 stories which have been indexed by this website:
Action Comics (vol. 1) #267 (Aug. 1960): "The Three Super-Heroes!"
Adventure Comics

Adventure Comics (vol. 1) #247 (Apr. 1958): "The Legion of Super-Heroes"
Adventure Comics (vol. 1) #305 (Feb. 1963): "The Secret of the Mystery Legionnaire!"
Adventure Comics (vol. 1) #306 (Mar. 1963): "The Legion of Substitute Heroes"
Adventure Comics (vol. 1) #308 (May 1963): "The Return of Lightning Lad!"
Adventure Comics (vol. 1) #328 (Jan. 1965): "The Lad Who Wrecked the Legion!"
Adventure Comics (vol. 1) #354 (Mar. 1967): "The Adult Legion!"

All-New Collectors' Edition #C-55 (Mar. 1978): "The Millennium Massacre"
DC Comics Presents #43 (Aug. 1981): "In Final Battle!"
Genesis

Genesis #1 (Oct. 1997): "Resonance"
Genesis #2 (Oct. 1997): "Edge of Destruction"
Genesis #3 (Oct. 1997): "Event Horizon"
Genesis #4 (Oct. 1997): "Last God Standing"

Justice League of America (vol. 2) #10 (Aug. 2007): "The Lightning Saga, Final Chapter: The Villain Is the Hero in His Own Story" (2-panel cameo)
Justice Society of America

Justice Society of America (vol. 3) #5 (June 2007): "The Lightning Saga, Chapter Two: Dreams and Fire" (statue)
Justice Society of America (vol. 3) #6 (July 2007): "The Lightning Saga, Chapter Four: Three Worlds" (1-panel cameo)
Justice Society of America (vol. 3) #22 (Feb. 2009): "One World, Under Gog, Part VII: Thy Will Be Done" (cameo)

Justice Society of America: Kingdom Come Special: Magog #1 (Jan. 2009): "The Secret Origin of Starman"
Legends #1 (Nov. 1986): "Once Upon a Time...!"
Legion of Super-Heroes

Legion of Super-Heroes (vol. 1) #1 (Feb. 1973): "The Lad Who Wrecked the Legion!"
Legion of Super-Heroes (vol. 4) #1 (Nov. 1989): "Five Years Later..."
Legion of Super-Heroes (vol. 4) #125 (Mar. 2000): "Extinction Event"
Legion of Super-Heroes (vol. 5) #1 (Feb. 2005): "And We Are Legion"
Legion of Super-Heroes (vol. 5) #15 (Apr. 2006): "Ancient Times"

Legionnaires #0 (Oct. 1994): "Close Encounters"
Spider-Boy Team-Up #1 (June 1997): "Too Many Heroes -- Too Little Time" (character based on)
Superman Vs. Mongul (Dec. 2013): "In Final Battle!"

Suggested links for further research about this character:
  - http://en.wikipedia.org/wiki/Cosmic_Boy
  - http://www.imdb.com/character/ch0030605/
  - http://www.dcuguide.com/who.php?name=cosmicboyprezh
  - http://www.dcuguide.com/chronology.php?name=cosmicboyprezh
  - http://www.dcuguide.com/who.php?name=cosmicboy
  - http://www.dcuguide.com/chronology.php?name=cosmicboy
  - http://www.dcuguide.com/who.php?name=cosmicboypostzh
  - http://www.dcuguide.com/chronology.php?name=cosmicboypostzh
  - http://www.comicvine.com/cosmic-boy/29-1264/
  - http://en.wikipedia.org/wiki/List_of_Legion_of_Super-Heroes_members
  - http://comicbookdb.com/issue.php?ID=206
  - https://www.comics.org/issue/14358/