Well, you could start by developing a unique and dark style for your character's appearance. Maybe give them black clothing, heavy makeup, and spiky accessories.
Some characters might be amused. For example, Sans would probably make some witty remarks about the fanfiction's plot twists. Papyrus, on the other hand, might be a bit confused at first but then get really excited if he finds a heroic role for himself in the fanfiction.
One characteristic is its dark and often macabre atmosphere. Goth crime fiction typically involves gloomy settings like old, decaying mansions or fog - covered streets. It also often features complex and morally ambiguous characters. These characters may be anti - heroes or villains with their own twisted motives.
Yes, there are some out there. You can try searching on fanfiction platforms like Archive of Our Own. Some might explore Hermione's character in a Goth aesthetic, delving into how her personality might be different or how she interacts with the wizarding world in this new style.
In a comical fanfiction, most of the characters would enjoy it to some extent. Sans and Papyrus would be great additions to a comical story, and they would probably laugh along with the funny parts. Frisk, depending on how they are portrayed in the fanfiction, would either be the source of the comedy or be reacting to the absurd situations. In a more serious and political - themed fanfiction about the Underground's society, Asgore and Toriel would have deep thoughts. They might discuss among themselves how the fanfiction's view of their leadership and the society they built compares to their own intentions.
It adds variety. The undertale fandom is huge and diverse, and frans lemon fanfiction offers a different take on the characters and their relationships. It gives fans who are interested in this particular pairing more content to enjoy.
One possible plot could be Hermione using her Goth style to rebel against the traditional Hogwarts norms. She might start a club for those interested in the Goth subculture within the school.
One of the best is 'The Sandman' by Neil Gaiman. It has a very gothic feel with its dark and dreamy world, filled with complex characters and deep mythology. The art style also adds to the overall mood, making it a classic in the genre.