Ultra Boy

Jo Nah of the planet Rimbor gained superhuman abilities after being swallowed by an Ultra-Energy Beast, a powerful space creature. Unlike most powerhouses, he can access only one power at a time — super-strength, invulnerability, flight, or others — making tactical thinking essential to his role in the Legion of Super-Heroes.

A fixture of DC's far-future corner of the universe, Ultra Boy made his catalog debut in 1991's Legion of Super-Heroes #24, brought to life by the creative team of Keith Giffen, Tom Bierbaum, Jason Pearson, and Dusty Abell during the Copper/Modern Age. He's kept remarkable company across his appearances, sharing pages with luminaries like Saturn Girl, Dream Girl, and Matter-Eater Lad in titles like Legionnaires and Legion of Super-Heroes. With a presence stretching across more than three decades into 2025, this is a character with real staying power in DC's legacy — well worth a closer look for any fan drawn to the rich, sprawling mythology of comics' most ambitious sci-fi saga.