Toasty is a border collie dog who was available as an accessory from American Girl, marketed as a sweet puppy ready to be loved. She was available from 2011-2012.
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/
