Since I'm not familiar with the 'jar of hearts novel', I can only speculate. There could be a protagonist who is struggling with their emotions and the 'jar of hearts' represents their inner emotional state. There might also be a supporting character, perhaps a friend or a mentor, who helps the main character understand and deal with their feelings. And there could be an antagonist, someone who has wronged the main character in the past, especially in the context of love and relationships, and whose actions are somehow related to the concept of the 'jar of hearts'.
There could be a curious explorer as a main character. This person might be the one who stumbles upon the jar of hearts and sets the horror in motion.
Often, the main character is the one collecting the hearts in the jar. This person is usually a tormented soul, perhaps driven mad by love or betrayal.
The 'jar of hearts novel' could potentially center around a complex relationship. It might involve a character who has had their heart broken and is dealing with the aftermath. The 'jar of hearts' could be a metaphor for the fragments of the broken heart and the story could explore how the character tries to pick up those pieces and move forward. There could be other characters involved, like the one who caused the heartbreak, and their own journey might also be part of the plot.
Obviously, Jar Jar Binks as Darth Jar Jar is the main character. But often, characters like Palpatine might be included. Since in some fanfics, they could be in a power struggle or a secret alliance.
I don't know for sure as I haven't read the 'jar of fools graphic novel'. But they could be fools in different forms, like a joker - type character, a clumsy but good - hearted fool, or a wise fool who seems foolish at first but is actually very astute.
I don't know as there's no information given about it. It could be a man and a woman in a love story.
I don't know the specific main characters in this novel as I haven't read it. But they could be characters who have experienced heartbreak and are on a journey to find something that will make their hearts full again. Maybe there's a young woman who has been betrayed by her lover, or a man who has lost his family and is trying to rebuild his life and his heart.
It depends on the specific version of the story. It could be a wizard who put the monster in the jar in the first place. Maybe there's a young adventurer who discovers the jar and becomes involved in the story.
Since I don't know the exact 'the name jar story', it's hard to say. But it could be a child if it's a story about a school - related name jar activity. Maybe a teacher too.
I'm not sure exactly who the main characters are without reading the story. But they could be ordinary people like a family, a neighbor, or a group of friends who are involved in the Christmas jar tradition.