The main characters are Jeff the Killer and the little girl. Jeff, with his terrifying nature, and the little girl, who might be portrayed as either very brave or very naive. There could also be side characters such as the neighbors of the little girl who start to notice strange things happening around her since Jeff entered her life.
One possible interesting plot could be the little girl befriending Jeff in a very unexpected way. Maybe she finds him when he's injured and instead of being scared, she tries to help him. This could lead to a strange bond where Jeff has to protect her from other threats in his dark world.
Often, there are the victims or potential victims of Jeff. They might be ordinary people in the neighborhood who start to notice strange things going on and suspect Jeff. Another common character could be a detective or a police officer who is trying to solve the mystery of the killings and might eventually cross paths with the little sister.
There could be his victims. They might not recognize him at first when he turns into a girl and he could use this to get closer to them. Another character could be a mysterious figure who either caused the transformation or is trying to help Jeff reverse it.
Well, a plotline might involve the little sister being in a constant struggle between her loyalty to Jeff and her own sense of right and wrong. She might also be hunted by the same people who are after Jeff, which would add a lot of tension to the story. And she could form an unlikely alliance with someone who initially wants to kill Jeff but then realizes she can be a force for good in the situation.
One common theme is family. It often explores the relationship between Jeff and his sister in the context of his transformation into a killer. Another theme could be protection, like how the sister might try to protect Jeff or vice versa. Also, there's the theme of horror and how she copes with the terrifying world Jeff has become a part of.
Yes, there are some interesting ones. You can find them on various fanfiction websites. Just search for 'Jeff the Killer Little Sister fanfiction' and you'll get a list. Some might focus on the relationship between Jeff and his little sister, while others could create unique storylines around her character.
In this fanfiction, it might start with a strange magic or curse that turns Jeff into a girl. He then has to navigate a world that is both familiar and strange. He could face challenges like finding clothes that fit his new body. Emotionally, he might be conflicted as he still has his killer instincts but also has to deal with the more delicate aspects of being a girl, like being more vulnerable physically. This could lead to a whole new set of adventures and self - discoveries for Jeff.
Well, regular Jeff the Killer fanfiction might focus on his horror - related aspects, like his killings, his appearance, and his overall menacing presence. But 'lemon' fanfiction, which is not appropriate to go into details, usually involves romantic or sexual elements that are not in line with the typical horror nature of the character. So, the main difference is the inappropriate addition of such elements in 'lemon' fanfiction.
No, it's not really popular. Popular fanfiction usually involves more common or widely appealing themes. The idea of 'Jeff the Killer' in a 'mpreg' situation is quite outlandish and not something that would appeal to a large number of people. Most people into 'Jeff the Killer' are interested in his horror - related aspects, not male pregnancy scenarios. And those interested in 'mpreg' might be more into other types of characters or settings rather than a horror - based character like Jeff.