Erika is one of the main protagonists in Barbie as The Princess and the Pauper. She is played by Barbie. When speaking, she is voiced by Kelly Sheridan and her singing voice is by Julie Stevens.
You can add as many animals as you like in as many breeds as you like. The only rule is do NOT be weird about "spirit animals;" see here for more info: https://www.wellandgood.com/spirit-animal-native-american/
