I don't know the exact common themes as I'm not familiar with 'tom fawkes gay fanfic' specifically. But in general, gay fanfics often explore themes like love, acceptance, and the challenges of same - sex relationships.
There are so many fanfics out there that it can be hard to find a particular one. For 'tom fawkes gay fanfic', you could start by using relevant search terms in search engines that are friendly to fanfic searches. Also, reaching out to other fans of the same subject matter might give you some leads. Maybe check if there are any dedicated forums or groups related to this.
One common theme could be the exploration of a different kind of relationship between Tom and Jerry. Instead of the usual chase - and - be - chased, it might focus on their emotional connection.
Love and relationship could be a common theme. It might explore how Grant and Tom get together, face challenges in their relationship, and grow closer.
One common theme could be the exploration of their relationship. How they first meet, how they overcome obstacles in their relationship due to their gender or the world they live in. Another theme might be their personal growth as individuals within the context of the relationship.
Another theme could be magic and mystery. Fawkes is a magical creature, and in these fanfics, the exploration of his magic and how it interacts with Harry's own powers can be a central theme. Maybe Fawkes has some special abilities that help Harry in his fight against the dark forces. Also, the mystery of Fawkes' origin and his connection to the wizarding world at large can add an interesting layer to the stories.
Adventure is also a theme. Fanfics might have them going on wild adventures together, like exploring ancient ruins or traveling to uncharted islands while also falling in love along the way.
One of the themes is the idea of redemption. Many fanfics play with the concept of Tom being redeemed through his connection with Harry. Also, the theme of parallel lives is quite common. It shows how similar or different their upbringings and destinies could be.
In Tom Hardy fanfic, the theme of power and control often comes up. Given the strong and sometimes dominant characters he has played, fanfics might explore how these characters handle power, whether they abuse it or use it for good. Another common theme is the exploration of his characters' backstories. Since we don't always get a full backstory in the movies, fanfics fill in those gaps, creating a more in - depth understanding of the characters he has portrayed.
A common theme is friendship. Despite their constant chasing, in fanfic they often show a deeper bond. For example, when Jerry gets into real trouble with an outside threat, Tom might come to his rescue.
Power is a frequently seen theme in tom riddle fanfic. Since Tom was always so obsessed with power in the original story, fanfics expand on this, showing how he might gain or lose power in different situations. Love is also a theme sometimes. It's interesting to see how love could potentially change Tom Riddle, as he was not really associated with it in the main series.