Domino and Dulce
Bonnie and Clyde
Narisah (Goddess of Light) and Nasay (Hebrew for "Precious creation of God")
Nancy and Drew (hehehe)
Neige (French for "snow")
Coconut and Cream
Romeo and Juliet
Bela and Bing

That's about all I can think of right now. I'll try to think of some more suggestions and post them if I come up with any decent ones.