Tobias Caspian and Josephina "Josie" Clio it is :)
Let's see, more names. What about:
Abigail
Adelaide
Juliet
Lucara
Micaiah
Narcissa
Sinead
Britton
Donatello
Edmund
Eragon
Ezra
Gideon
Isaias
Nikolai
Talon
As for combos I like what you have, I'll think of some more later.