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

Name: Violet

Gender: Female

Age: Adult

Friends: Monsters, Engineer

Enemies: Oswald (Former Ally)

Family: Unnamed parents (Deceased)

Appearance: Long black hair in a braid, light purple color eyes and wears a gray long sleeve button-up shirt, light brown jeans, black heeled boots, a navy-blue button-up vest, a gray button-up coat, gray wool fingerless gloves, dark green glasses, silver star earrings, a light brown satchel and a light purple crystal pendant.

Others: Secretly the Engineer's assistant.

Sounds like China Anne McClain