One common theme is the struggle between Danny's two identities - his human self and his ghost self - in relation to his romantic relationships. For example, he might worry about putting his love interest in danger because of his ghost - fighting activities.
Well, the theme of acceptance is also quite common. Danny's love interest has to accept him for who he is, both as a regular teen and as a ghost - fighting hero. This can involve a lot of character development and emotional moments. Also, the theme of sacrifice might be present. Danny may have to sacrifice some of his own desires or time with his love interest in order to protect the town from ghosts. This adds a layer of depth to the romance in the fanfiction.
A frequently seen theme is the power of friendship evolving into love. They start as friends who understand each other's quirks and then it blossoms into something more. Also, the theme of sacrifice is there. In some fanfics, either Sam or Danny is willing to sacrifice something important, like Sam giving up some of her ideals or Danny risking his secret identity, for the sake of their relationship.
One common theme is the power struggle. Danny has his ghost powers and Desiree has her wish - granting power. Another theme is the secrecy, as Danny has to keep his ghost life a secret from most people. And of course, there's the theme of love against all odds.
In danny phantom ember romance fanfiction, a frequently seen theme is the exploration of the supernatural world in relation to their love. Their ghostly natures play a big role. For instance, they might have to deal with the fact that Danny has a human life as well. Another common theme is the role of friendship. Some stories show how their initial friendship or rivalry can turn into something more romantic. There's also the theme of sacrifice. It could be that either Danny or Ember has to sacrifice something important, like a part of their power or a personal goal, for the sake of their relationship.
Love and friendship are common themes. Their relationship, whether it's a budding romance or a deep platonic bond, is often explored.
One common theme is the struggle between good and evil within Danny. It often shows how his normal self battles his evil side. Another theme is the impact on his relationships. His friends and family have to deal with this new, dangerous Danny.
One common theme is family. Since they are siblings, a lot of fanfics explore their family bond, like how they rely on each other and protect one another. Another theme is secrecy. Danny has to keep his ghost identity a secret, and Jazz often gets involved in that secrecy, either by helping him keep it or by accidentally finding out. Growth is also a theme. As the story progresses, both Danny and Jazz grow as characters, both in their personal lives and in dealing with the supernatural elements around them.
One common theme is the power struggle. Ember has her own set of powers and often tries to overpower Danny, either for her own gain or just for the fun of it. So there's a constant back - and - forth in terms of who's in control.
One common theme is the exploration of their relationship. Whether it's a friendship or a budding romance, it's often at the center of the story. For example, in many fanfictions, Danny tries to protect Paulina from ghosts, which shows his care for her.
A prevalent theme is the exploration of different power dynamics. Danny has his ghost powers which give him abilities like intangibility and flight, while Kim has her martial arts skills and gadgets. Fanfictions often explore how they use their respective powers in relation to each other. For example, Danny might use his powers to protect Kim in a more direct way, while Kim uses her strategic thinking to help Danny in his battles. There's also the theme of acceptance, both of each other's worlds and of their feelings for one another.
A very frequent theme is the idea of redemption. Some fanfictions explore whether Vlad can be redeemed through his relationship with Danny. It's about whether Danny's goodness can rub off on Vlad or if Vlad is too far gone. There's also the theme of family, as Vlad sees Danny as a sort of surrogate son, and this adds a whole layer of complexity to their interactions. They can be like a dysfunctional family, with all the drama and emotional turmoil that comes with it.