The Charlie Brown Peanut story is not typically classified as a fantasy genre. It usually focuses on the daily lives and adventures of the characters in a relatable and down-to-earth manner.
Snoopy could be a main character. He might follow Charlie Brown when he runs away and be his protector in the unknown places. Linus could also be important as he might try to convince Charlie Brown to come back home, constantly showing up with his security blanket and giving wise advice.
A Charlie Brown and Frieda fanfic can be really interesting. It might explore their relationship in ways not shown in the original Peanuts series. For example, it could focus on their friendship growing deeper or having adventures together. It gives fans a chance to see these characters in new scenarios and develop their personalities further.
Charlie Brown comics are quite old. They began in the 1950s and have continued to charm readers for many years. Their longevity is a testament to their appeal.