Nadia is a run away science experiment turned space assassin. Originally called Torasi, Nadia was created mostly from a warrior race with added traits of other species, turning her into something of a mutt. She escaped the labs and ended up wandering the cosmos as a stowaway for years before finding her place in the universal Mayra assassin guild. Eventually she found a husband and popped out a couple kids, but continued to do the work she loved.
Nadia started out as a Dragon Ball Z character when I was ten but slowly evolved into something on her own, which is kind of a theme with me.