I have 10 females:
Vicky, Nala, Princess, Duchess, Patches, Moo, Roxie, Peanut, Jewel, and Bella
And 6 males:
Simba (fixed, brother to Nala, in with females), Buddy, Doc Holiday, Tarzan, Taz, and Felix
I don't really have a theme. I just pick names based on their personalities, unless they are...