Ray
     Firster
     Kenyan-Irish
     Short, relatively
     
Eidothea
     Ray's rival and sometimes lover
     Firster
     Greek

Little
     A childhood friend of Ray's

     Seconder but barely
     Has malformed legs, but manages because of low gravity.

Selene
     Ray's sister

     Seconder
     Very tall

Jamil
     Ray's father
     Kenyan
     Physicist

Eiladhne
     Ray's mother
     Botanist
     Irish