(I don't own this picture. All Rights go to the owners.)

Name: Bella Blight
Age: Same age as Alador Blight
Gender: Female
Species: Half Witch and Half Flower Nymph
Personality: Kind, caring, shy sometimes, creative, brave, strong, curious, beautiful, smart, protective, free spirited sometimes, motherly
Appearance: Long blonde hair in long twin braids, light green color eyes and wears a green and white puff sleeve open-front splitting multi-layer cotton satin classic lolita dress, light green ballet flats, a yellow rose pendant, a white crystal bracelet, emerald green teardrop earrings, emerald green lace fingerless gloves and an emerald green cloak.
Teen: Long blonde hair in low pigtails, light green color eyes and wears a white and yellow sundress, white sandals, a yellow rose pendant, a white crystal bracelet and an emerald green cloak.
Crush: Alador Blight (Husband)
Family: Alador (Husband), Amity and Emira (Stepdaughters and Daughter Figures), Edric (Stepson and Son Figure), Valerie (Daughter), Unnamed Witch Father (Deceased), Unnamed Flower Nymph Mother (Deceased)
Friends: The Owl House Allies
Enemies: Odalia (Rival), Belos, Terra, Adrian
Others: Knew Alador when they were teenagers. Assistant Principal of Hexside School of Magic and Demonics.

Sounds like Sofia Carson