Jennifer

She is the daughter of a powerful dark magic user, John Constantine, from the DC universe who was left on his doorstep when she was just a child. While her father was hesitant to take on the role of a father, he eventually got over it and raised Jennifer as his own. Over the years, she stayed with him she learned about dark magic and that she was, in fact, half human and half demon. As it turned out, her father had a one night with her mother, who was a demon succubus.