Niffty has white skin and one large eye. Her eye sports a light yellow iris, thick eyelashes, a red sclera with a yellow gradient, and a large pie eye-cut pupil. When feeling homicidal, her eye gains black veins.
Her red-pink hair is kept into a slightly messy bob cut with a curl on each side, and a single light yellow streak located at the top. She is known to like violence. She is hyper, spontaneous, and agile, being very quick on her feet. She is easily entertained and easily distracted. 4’0.