Well, 'goku top stories' might cover Goku's family as well. His relationship with his son Gohan is very important. Gohan has his own growth and development in the series, and Goku has played a role in it. Goku also has a wife, Chi - Chi, and his family life sometimes intersects with his adventures. For instance, Chi - Chi's concerns about Goku's constant fighting and training, while Goku is more focused on protecting the Earth and becoming stronger. All these aspects could potentially be in the 'goku top stories'.
One popular story could be Goku's fight against Majin Buu. It was an intense battle that involved many characters coming together to try and stop Buu. Goku's Super Saiyan 3 form was shown during this fight.
One interesting fanfiction could be about Goku and Black Goku teaming up against an even greater threat from another universe. In this story, they might initially be at odds but gradually learn to work together, using their unique abilities to save the multiverse.
One good fanfiction is 'The Blackened Saiyan' which explores Goku Black's journey in an alternate universe with a lot of in - depth character analysis. Another is 'Goku vs Goku Black: Redefined' that has some amazing power - up battles between the two. 'Black's New Purpose' is also great as it gives Goku Black a different motive than just pure evil.
Well, Vegeta would be a likely character. He might be initially suspicious of the female Goku. Maybe he thinks she's a threat or just can't believe there's another Goku - like being. He could be there to add some comical moments as he tries to understand the situation.
In general, it's a bit of a toss-up. The strength of Manga Goku and Anime Goku can vary depending on the specific arcs and battles. Sometimes, it might seem like one is stronger in a particular situation, but that could change in another.
Another possible main character could be the villain that forces the two Gokus to meet. This villain could be a new, super - powerful threat that the two Gokus need to deal with. Their meeting becomes a crucial part of the story to defeat this powerful foe.
There are fanfictions where Bulma and Goku are sent back in time accidentally. In this scenario, they have to figure out how to get back to their own time while also dealing with the primitive conditions of the past. It could involve Goku having to hold back his power so as not to disrupt the timeline too much, and Bulma using her wits to survive. This type of story often has a lot of character development as they face challenges they've never had to before.