The Mortals and Demigods. Created in the image and likeness of the Gods of Planetes. They never seem to get along.
The Gods of Planetes. They love to toy with the mortals they reside over, as forever is a long time to keep oneself entertain.
The Old Ones. Unconstrained by space and time they reside in the illimitable gulf of the unknown, perhaps even on a separate plane of existence to ours. No mortal can truly understand their ways or how they even came to be, for doing so will only end in madness.