Vivian is a Transfem Shadow Siren who is sweet, but was very shy and timid due to her sisters, Bedlam and Marylin, rejecting and tormenting her, but eventually Vivian gained the confidence to leave her sisters. Vivian is purple with light pink hair that covers her eyes, wears a hot pink and white witch hat and white gloves. She has Fire Elemental Powers, Shadow Manipulation, and recently, Modularity, meaning she can detach and reattach her limbs! 
(Image belongs to AnnoyingAnonymous08 on DA)