Rajetta (which, in Italian, means something like "little Raja") is the name of a magical precious gemstone in the legendary saga of the Fanes people, who lived in the Dolomites.
Nova's name was another play on words: super Nova, my little star, because she was an explosion of enthusiasm and energy, always running and jumping, always happy and a ray of light in a dark day.

However, Raja never was so round as in this picture, that is made by my imagination. She's represented the way I think of her. A sweet little heart with a shy yet very nice character, especially knowing how bad her life started.