Spranglet's has a very interesting casting history. here it is...

The Spranglets are Stars,
The oldest star is Big Bang, he is a rock star. His wife is Beam.
They have children: Their son is called Stern and he is married to Itziar and they have two kids called Starr 8 light years old and his sister Estrella 5 light years old and a half, she picks on Stern all the time. Stern has a sister Tähti that is mother to Luna that is not a star but a Moon and she is 15 light years old. Luna has a brother called Sun, he is 10 light yeras old and he is a Sun not yet a star...