Common themes often include teamwork. Since they are two characters, they might team up to achieve a common goal. Also, self - discovery can be a theme, as they learn more about themselves through their interactions with each other.
One common theme could be friendship. They might go through various challenges together and their bond gets stronger. Another theme could be adventure, like they embark on some crazy quests.
I'm not sure which specific 'ninja brian x danny fanfic' are the best. You can try searching on fanfiction websites like Archive of Our Own. There are usually a lot of fan - created stories there, and you might find some interesting ones about ninja brian and danny.
One common theme is friendship. Most fanfics explore how Brian and Ethan become friends and the ups and downs in their friendship journey.
Often, there are themes of personal growth. Danny and Beth might face challenges that force them to change and develop as characters. It could also involve themes of family, either their own families influencing their relationship or them creating a new family - like bond together. And of course, there can be themes of mystery, like if there are secrets between them that are gradually revealed in the fanfic.
One common theme is the 'opposites attract' idea. Danny being the more heroic and rule - following half - ghost, and Ember being the rebellious ghost rocker. Another theme is the exploration of their powers and how they can either complement or clash with each other.
One common theme is friendship development. Given their different personalities in the original context, it's interesting to see how they bridge the gap and become friends in fanfics. Another theme is self - discovery. As they interact, both Danny and Dash often learn new things about themselves.
In Danny x Maddie fanfics, the theme of love, though in a different sense from romantic love, is common. It's the love between a mother and son. There's also the theme of forgiveness. If Danny has been hiding things from Maddie, there may be a need for forgiveness. And the theme of adaptation is also there. Maddie has to adapt to Danny's changing situation, whether it's his new friends or his growing powers, and Danny has to adapt to Maddie's reactions as well.
A frequent theme is self - discovery. Through their relationship, both Danny and Madeline learn more about themselves. For example, in some fanfics, Danny discovers his more sensitive side while being with Madeline. Also, the theme of family acceptance can be seen. Sometimes their relationship has to be accepted by their respective families.
One common theme could be friendship. They might explore how Xander and Brian O'Connor form a strong bond, whether it's through shared interests or going through tough situations together.
One common theme could be the exploration of their complex relationship. Given their characters' natures in the original work, the fanfic might focus on how they interact on a more personal and emotional level.
Another theme is friendship and loyalty. The relationship between the reader and Danny is usually based on these qualities. They support each other through tough times, like when Danny is facing a really tough ghost or when the reader is having problems in their normal life. In some fanfics, this friendship can even develop into a romantic relationship over time.