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...

Superboy met three teenagers from the 30th century: Lightning Boy, Saturn Girl, and Cosmic Boy, who were members of a "super-hero club" called the Legion...

Ely Henry as Bouncing Boy, Robbie Daymond as Timber Wolf and Brainiac 4, Yuri Lowenthal as Mon-El, Eric Lopez as Cosmic Boy and Chemical King, Darin...

remained known as Saturn Girl, and a founder of the Legion along with Cosmic Boy and the renamed Live Wire. Her design was changed from previous versions...

has gone through various iterations. Starting with the founding trio of Cosmic Boy, Lightning Lad, and Saturn Girl, all versions of the team include teenage...

also appeared in recurring voice acting roles as Aqualad in Teen Titans, Cosmic Boy in Legion of Super Heroes, and Mike Morningstar/Darkstar in the Ben 10...

Detroit-based Justice League along with Firestorm and a time-traveling Cosmic Boy. Darkseid also arranges for the cyborg villain Macro-Man to be killed...

the ninth season, Blaine joins the Red Death's Rogues in constructing the Cosmic Treadmill in exchange for help in resurrecting Frost. However, the Flash...

superhero, she became quite skilled at martial arts. She had a crush on Cosmic Boy, which was her motivation for leaving Kathoon and trying out for the Legion...

founding member of the Legion of Super-Heroes along with Saturn Girl and Cosmic Boy. Born on the planet Winath, he is the twin brother of fellow Legionnaire...