one dog will be a girl and the other will be a boy

No one can answer this but you. Name them whatever comes to mind when you get to know their personality. I am sure that once you have them in your house, you'll know that to name them. Have fun.

Biruta y Capulina... Dante y Dalila, Cris y Cros, Pulguita y Piojo,Petra y Petro

COSMO And PEARL

go on to a search engine and type in dog names and you can find sites that have hundreds of dog names

Rumpelstiltskin and Rapunzsel