Peppermint Robin Morningstar is a 16 year old girl. She isn't a normal person, she is half angel half Dark One. Her father is Lucifer Morningstar, the Devil and her mother is the first Dark One. She was raised by her father, she lived in Hell until she was 10, when her father decided to take a vacation. She has a temper, clearly, and she acts before she thinks. Her eyes have always glowed fiery red and her hair is burgundy. Just like her father she is like walking heroin. Lucifer FanFic.