User blog comment:Rassilon of Old/Young Justice spoilers at Comic-Con 2012/@comment-3003805-20120719013536/@comment-34954086-20120719062614

well it seems to go more on physical appearance then dna (think of Captain Marvel in Misplaced) so that's probably how. Personally i want Hobo Roy he looked cooler and it kindof made the clone thing less obvious since he seemed to age.