Without having read Mort graphic novel, it's hard to say precisely. However, often main characters in graphic novels are characters that drive the action forward. They could be characters with special abilities or those in a position of power or conflict. Maybe there's a character who is on a quest, and that could be one of the main characters in this graphic novel.
One unique feature could be its art style. The illustrations in Mort graphic novel might have a distinct look that sets it apart from other graphic novels. It could have detailed character designs and unique use of color.
There is no direct connection between Robert De Niro and the movie 'Pulp Fiction'. 'Pulp Fiction' is a Quentin Tarantino classic known for its unique narrative and characters like Samuel L. Jackson's Jules Winnfield and John Travolta's Vincent Vega. De Niro has his own body of work in movies like 'Taxi Driver' and 'Goodfellas' which are in a different cinematic vein compared to 'Pulp Fiction'.
The special thing about Mort animated horror stories is the animation itself. It can make the horror more vivid and immersive. The characters can be designed in very creative ways, with strange features that add to the horror factor.
Well, Mort animated horror stories can be really diverse. Some might be based on classic horror tropes, like vampires or werewolves. Others could explore more psychological horror, delving into the minds of the characters and showing their descent into madness. The animations are often dark in color palette and use sound effects effectively to create a spooky atmosphere. They can be a great source of entertainment for those who enjoy a good scare, as they combine the art of animation with the thrills of horror.