Cosmic Boy
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Real Identity: Rokk Krinn
Affiliation(s): The Legion of Superheroes
Appearances: Timber Wolf, Chain of Command, Sundown Part One, Part Two, The Man From the Edge of Tomorrow Part Two, Cry Wolf, Karate Kid, Dark Victory Part One, and Part Two
Powers/Skills: Magnetism, Leadership, Oration, and Diplomacy
Voiced By: Wil Wheaton
Hu and Ewa Krinn, of Braal, happened to be on Earth looking for work when they gave birth to their child, Rokk. Earth's strong magnetic field heightened Rokk's natural magnetic abilities and made him a champion athelete. At age 14, Krinn upheld tradition and went to Earth to look for a job. While on route, he met Garth Ranzz and both attempted to impress a girl named Imra Ardeen. Instead, the three helped prevent an assassination attempt on the famous billionaire, R.J. Brande. The four formed the Legion of Superheroes soon after. Krinn, taking the codename Cosmic Boy, became its first leader for his charismatic personality.
After helping lay the foundations of the Legion, Cosmic Boy began to focus on bringing legitimacy to the group and toured the universe. His absence lasted months and contention over leadership slowly built up in his co-founder Lightning Lad, whom he constantly clashes with. The last straw was when Cosmic Boy suddenly appeared on Winath, took control from Lightning Lad, and brought in a new member, Ferro Lad, without an official audition. After the cosmic storm ended, Lightning Lad initiated an election for a new leader to which Cosmic agreed to. Surprisingly, Bouncing Boy won instead.
Having a personal stake in the Legion Constitution, Cosmic Boy rigorously followed procedure rather than explore other alternatives. This came to a head when Timber Wolf was framed for murder. Even after Timber Wolf was proven innocent, Cosmic Boy didn't exactly apologize. It wasn't until months later when they saved Brande's life did Cosmic Boy realize the error of his ways. Afterwards, he reaffirmed his vow as Legionnaire.