One theme is resilience. Despite being abused, Billy Costigan could be depicted as a character who tries to rise above his past. He may struggle, but his determination to not let the abuse define him can be a powerful theme. For example, in a fic, he could constantly push himself in his work to prove that he is more than what his abusers made him feel.
There could be a fanfiction where Billy Costigan's past abuse is explored through his nightmares. The story could detail how these nightmares haunt him during his undercover work and how he tries to hide them from his colleagues. This would add a layer of psychological depth to his character.
George in the George and the dragon story is a knight. He is a brave and heroic figure who is willing to face the dangerous dragon to protect the village.
I'm not sure who George McKenna specifically is in 'the george mckenna story' without more context. It could be about an individual with unique experiences, achievements or a particular journey.
George McKenna might be a person with a remarkable life journey. He could be a figure who has made significant contributions in a particular field. It could be in the areas of civil rights, where he fought for the rights of a certain group. Or perhaps he was an entrepreneur who started from humble beginnings and built something great, and the story is about his rise to success and the challenges he faced along the way.
As mentioned before, without more context, it's hard to determine who this George Ty is. He could be an entrepreneur, an artist, or someone in the academic world.
Hogwarts: Weasley Is Our King was a recommended novel, which included supporting actors Fred Weasley and George Weasley. This book can be read on Qidian Chinese website.
Arthur and George are the main characters in this story based on true events. But without more context, it's hard to say exactly who they were in real life.