Superhero Wiki
Ultra Boy

Real Name
Jo Nah
First Appearance
Superboy #98 (July 1962)
Creators
Jerry Seigel, Curt Swan
Team Affiliations
Legion of Super-Heroes
Aliases
Emerald Dragon
Base of Operations
Legion Clubhouse
Powers
Superhuman strength, Superhuman speed, Invulnerability, Flight, Flash vision, Penetra-Vision
Skills and Abilities
Fighting experience
Paraphernalia
None

Ultra Boy is a superhero in the DC Universe and a member of the Legion of Super-Heroes. He has a number of super powers though is only able to use one power at any given time. But when he has the legion ring that gives him flying power, he can use more than one power while flying.

Origin[]

Swallowed by a large space whale, young Jo Nah absorbed radiation while inside that transformed him and gave him incredible powers.

Biography[]

Jo Nah was born to his parents Crav and Mytra Nah on the planet Rimbor. Many elements of his upbringing are unknown except he was a reckless youth who ran with a gang called the Emerald Dragons. At one point, Jo Nah was travelling the universe in his Space-Speedster when it was devoured by giant whale-like creature called an energy beast.