Jonathan Storm (Earth-2999)

Johnny Storm is the brother of Susan Storm and the son of scientist Franklin Storm. However, unlike his father and sister, he's more of a daredevil, competing in races across Gotham. However, after the death of his father, he, Susan, and Franklin's four student aides became superhuman. He and Jim Hammond were exposed to the Firestorm Matrix, allowing the two to become Firestorm, the nuclear man.