Well, theoretically it can exist. Consider a serial killer who has a split personality. One side of them is the killer, and the other side might be capable of feeling something like love. But this love would be clouded by their murderous tendencies. Their 'love story' would be filled with danger, lies, and ultimately destruction, as their true nature as a serial killer would eventually surface and disrupt any chance of a normal relationship.
Even a new character created specifically for the fanfiction could be the serial killer. This character could be someone with a grudge against Beacon Academy, for instance. They might be killing students or professors in a way that ties into some dark secret or vendetta they have against the institution.
Hard to say without more details about you. Maybe you could give some specific traits or behaviors you think link you to a particular fictional serial killer?
Jeffrey Dahmer's story is also among the top. He committed heinous crimes including murder, dismemberment and necrophilia. His actions were so disturbing that it shocked the world when his crimes were discovered. He lured his victims, mostly young men, to his apartment.
Jeff Lindsay's 'Darkly Dreaming Dexter' is a great one. It's about Dexter Morgan, a blood - spatter analyst for the Miami police who also has a dark secret - he's a serial killer who only targets other killers. The book is full of dark humor and interesting characters.
In female serial killer fiction, the motives are often more nuanced. For example, it might be related to issues like motherhood, jealousy in relationships, or a sense of being wronged in a very personal way. In male serial killer fiction, motives can be more about power, control over others, or sexual gratification. Female serial killers in fiction are sometimes portrayed as more covert, using their femininity to deceive, while male ones might rely more on brute force or intimidation.
The serial killers in 2015 fiction tend to be highly intelligent. Take 'The Kind Worth Killing'. The character in this book is intelligent enough to manipulate those around him to achieve his murderous goals. They may also have a hidden motivation that is slowly revealed throughout the story. Sometimes it could be revenge for a past wrong, or a warped sense of justice. And they are often depicted as being able to blend into society, making it difficult for others to suspect them.
In some of these books, the serial killers are often highly intelligent. For example, in 'The Girl in the Ice', the killer is very cunning and leaves few clues. They are also usually very methodical in their killings. They have a pattern or a ritual that they follow, which makes them both terrifying and also a challenge for the detectives to figure out.
Could be like Norman Bates from 'Psycho'. He had a complex personality and a disturbing modus operandi. But it really depends on how you answered the quiz questions.