Lincoln and John Wilkes Booth are surely the main characters. Lincoln as the victim and Booth as the assassin.
The key elements might include the events leading up to Lincoln's assassination, the characters involved like John Wilkes Booth, and the aftermath. It may also show the political climate of that time.
One key element could be the accurate portrayal of the historical events leading to Lincoln's assassination. It might show the political climate at that time.
If it's about Abraham Lincoln's life, then Lincoln himself would be a main character. There might also be his wife Mary Todd Lincoln.
It may depict him as a complex figure. Show his extreme views that led him to commit the heinous act.
The most prominent character in the 'Abraham Lincoln Vampire Hunter Graphic Novel' is Abraham Lincoln himself. He is portrayed as a vampire hunter with a mission. Alongside him, there may be other characters who play important roles. For example, his wife Mary Todd Lincoln could potentially be a character in the story. And the vampires that he hunts are also key characters in a sense, as they drive the conflict in the story. Without them, there would be no vampire - hunting for Lincoln to do.
One of the main themes is the relationship between students and their teacher. In this graphic novel, the teacher is an unusual figure who the students are tasked to assassinate. Another theme could be self - growth. As the students strive to achieve their assassination goal, they also grow personally. Also, there is the theme of friendship. The students bond and cooperate with each other throughout the story.
It might portray his presidency as a time of great turmoil and change. With vivid illustrations, it can show his efforts to keep the Union together during the Civil War.
Definitely Koro - sensei. He's a very unique character as he's an octopus - like teacher who the students are supposed to assassinate. His abilities and his rather jovial yet mysterious personality make him stand out. Another interesting character is Nagisa Shiota. He has a gentle appearance but is quite skilled in assassination, which is an interesting contrast.
The cartoon might show the scene of the assassination itself, with Lincoln being shot and the chaos around. Or it could feature the reactions of people, showing their shock and sadness.
Since I haven't read the 'Lincoln Highway Novel', it's difficult to say who the main characters are. However, they could be travelers, truck drivers, or people living in the towns along the highway.