I don't have enough information to say exactly who Cortney Smith is in this context. She could be an ordinary person with an interesting story, or someone with a public profile.
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 the 'John Smith and the Red Jacket Novel', John Smith is presumably the central figure. He might be an ordinary person at the start, but the red jacket could change his life in many ways. Maybe he's a young man trying to find his place in the world, and the red jacket becomes a catalyst for his growth and development. It could also be that he has a special past or destiny related to the red jacket that will be revealed as the story unfolds.
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.
Well, they met during a time when Will was on his way to becoming a huge Hollywood star. Jada, being an actress herself, crossed paths with him. They felt a connection right away. It was a relationship that grew over time. They got married and have been building a life together. They have two kids together and have also been through some tough times in the public eye, but their love seems to have endured through it all.
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.
One key event was their meeting in the 90s which led to their marriage. Another was having children together, which strengthened their family unit. Also, their public appearances together over the years, supporting each other's careers are important parts of their love story.