Gramma Tala is a supporting character in Disney's 2016 animated feature film, Moana. She is Moana's grandmother and the mother of Motunui's village leader, Chief Tui.
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/
