Satan and the left-handed twin were created to be the villains. They both mean the opposite sides of good.
Satan shares an Archetype with the left-handed twin.
David from the bible shares the same archetype as the right- handed twin
David had 7 brothers and he was the only good child in his family. David and the right-handed twin are the ones to follow rules and be obedient.
Maria and Sky woman are both the mothers in the story. Both Maria and the Muskrat are small characters that are important but have a small part. Maria gives birth to Jesus and that's all she's given credit. The muskrat is only mentioned since he brought the dirt under the water.
Maria, Jesus's mother, shares an archetype with sky woman and the muskrat.