I
OK. The Creators were very sick of all the gender superiority Crap™ and the morons who believe that. They wanted a change. So they took sixty random (by coincidence, all of them happened to be male) and discovered Cloning. Thus, was the update from sexual reproduction to assembly lines. This worked by building a Secret Cloning Facility underground, making humans, sticking fake hair on thier faces and bodies on random places, gave them a few 9 volt batteries to survive with, and let them loose on the world. This explains why there are no children either
II
About the Marathon: All bobs are descended from 2 parents named Robert and Roberta... ::thinks of last name:: I will come back on that... They all named thier kids Bob, and by a strange coincidence, all of this generation is male.
III
Kyrilla is female because she is last of some bloodline or something
IV
Shiver is female because she is very old and was created before the assembly line of humans