Another theme is redemption. If the father figure has made mistakes in the past, like Giovanni perhaps, the fanfiction might focus on his journey to make up for those mistakes and be a proper father to Ash. This could involve him changing his ways and helping Ash in his Pokémon journey instead of causing trouble.
One potential father figure for Ash in fanfiction could be Professor Oak. He has been like a mentor and a guiding figure in Ash's life. He has given Ash his first Pokémon and has always been there to offer advice, which could easily be developed into a father - like relationship in fanfiction.
One way Clint could be a father figure to Peter in fanfiction is through shared experiences. They both have had to deal with being part of a team and having a sense of responsibility. Clint could share stories of his early days in S.H.I.E.L.D. with Peter, which would help Peter understand the history and politics of the superhero world. Also, Clint could be there for Peter during tough times, like when Peter is doubting himself or facing difficult choices. He can offer advice based on his own life, like how to balance normal life with the life of a hero.
Well, in many Christmas stories, the father figure could be a kind and loving dad who works hard to make the holiday special for his family. Or it might be a wise old man who imparts valuable lessons during the Christmas season.
The father in 'A Christmas Story' is a memorable character. He's depicted as a no-nonsense yet caring parent. His attempts to deal with the holiday season and his children's expectations add to the charm of the movie.