Star:
Star-ru
Star-ru-bar-ru
Staruvian
and her unofficial title: Queen of Everything

Sherman:
Shermie,
Sherms,
Shermansky
and, the "Shermanator"

And Rosie: (in doggie heaven now)
Rosie-Posie rub-my-nosey
Rosa-Rita
Rosie Beans
Posie girl