As like Hiver, Nomad was draco in his past but having outstanding intellect he has denied all "inferior" charms of life for the good of new knowledges about universe, especially in biological sphere...
So, after years he was infected by O-virus he cloned and modified himself thousands times and began explore the space
Now they all have not "unnecessary parts" and consist alien elements in their structure seldomly sharing them with other orrg-commanders