Another theme might be the passage of time. Jake Chudnow could use his short stories to show how time changes people and their relationships. He might tell the story of two friends who grow apart over the years due to different life choices, but then come back together in an unexpected way, highlighting the bittersweet nature of time's influence on our lives.
There's also a possibility that Jake is just an ordinary person in the fanfiction world who has been given this extraordinary ability to imprint. This could make his character development really interesting as he has to deal with the consequences of this sudden and powerful connection to the reader. He might struggle with understanding his new feelings and how to act on them in a world that may not be used to such a thing.
Perhaps his business ventures are also among the top stories. He has been involved in different business deals, like launching his own merchandise. He is constantly looking for ways to expand his brand beyond just being an online personality, which is an interesting aspect of his story.
I'm not sure who Jake is specifically in relation to lost erotica stories. There could be many people named Jake, and without more context, it's hard to determine his connection to such stories.
A popular one is 'Jake's Redemption'. This fanfiction focuses on Jake making up for some of his past mistakes. It has a lot of action and emotional moments as he tries to right his wrongs and prove himself to the Na'vi once again.
Perhaps his journey to the NFL is also among the top stories. His draft process, the expectations, and how he adjusted to the professional level. There could be stories about his training, the coaches he worked with, and his early experiences in the NFL.
Friendship is a very common theme. Since both actors are often associated with roles that involve strong bonds with others, in fanfic they are usually portrayed as having a great friendship.
I'm not sure specifically about Bradley Steven Parry and Jake Short gay fanfics. Fanfic availability can vary a great deal. You could try searching on popular fanfic platforms like Archive of Our Own (AO3) or FanFiction.net. There might be some works there if fans have been inspired to write about them in this context.