Brianne is just a little girl who is a friend of Candace who is very good hearted and curious even friendly and open-minded to everyone who has a positive life and smiled every day and night and never cried in a day. One night her life came crashing down when a lone canister of mutagen landed on her and as she touched a butterfly and petted a mouse she ended up turned into a humanoid butterfly winged rodent who gained the ability to create and project heart shaped energy blasts from her hands can energize her tail to use it as a whip can create a calming mists by fluttering her wings and can create and control rainbow butterflies. She later encountered Ursa Major who wanted to spread love to the world whom she ended up took her under her wing and became an ally to Ninja Turtles as a result.