Molly Winks is the daughter of Padrig and Elly Winks, the younger sister of Piggley, the paternal aunt of Ciara, the maternal great-aunt of Meg and Sean and Seamus and is a character in Jakers! The Adventures of Piggley Winks.
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/
