Altair and Nova

Altair: Father of the night. He's calm, cautious, charming and hearty.

Nova: Child of the stars. He's charming, joyful and usually cries when he's alone or with strangers.

Both wear a necklace with a gem that has a galaxy inside. Everytime a new child of the stars is born, a new galaxy borns too. they wear it in a necklace and when the child grows the galaxy does too.