Since we only have the title 'look twice save a life pearson story', it's hard to say exactly who Pearson is. Pearson might be the hero of the story, the one who took the action of looking twice and saving a life. Maybe it's a first name, or it could be a last name. It's possible that Pearson is a volunteer, a professional in a safety - related field, or just an average citizen who found themselves in a situation where their second look made all the difference.
Realistic fiction in Pearson's analysis is about the real world. It shows the real problems people face. Romantic fiction is about love and ideal relationships. Realistic is more like real life, less idealized.
Atticus and Zane are likely characters created within the fanfiction world. They could be friends, colleagues, or even rivals. Without more context from the actual fanfiction, it's hard to say exactly who they are. But they are the main characters involved in this shaving - related situation.
They are likely characters within the context of the fanfiction. Without reading it, it's hard to say exactly who they are. They could be original characters created for this fanfiction, or they could be characters based on an existing fandom, like a book, movie, or TV show.
I'm not entirely sure who David Pearson in Fantastic Fiction is. It could be a relatively unknown figure within that fictional realm. Maybe he is a minor character that only hardcore fans of Fantastic Fiction would be familiar with. It could also be a new addition to the story, so there might not be a lot of information available yet.
Jack Pearson's back story could be about his early relationships. He might have had a first love in high school that didn't work out, which taught him about heartbreak and how to be more cautious in future relationships. Also, he could have had a best friend who influenced his values and interests.