Obviously, Tenten is the central character as she is the one who is pregnant. In many fanfics, Rock Lee might be involved. Since they are comrades and friends from the same village, he could be there to offer his support or protection. Maybe he helps her with daily tasks when she starts to find it difficult due to her pregnancy.
Neji could also be a main character in some 'tenten pregnant fanfic'. Given their relationship in the original series, his reaction to Tenten's pregnancy could be an interesting aspect. He might be initially shocked but then offer his wisdom and ninja skills to ensure her safety during the pregnancy.
The baby's father, whoever he is in the context of the fanfic, is also a main character. If it's a character from the original series, his relationship with Tenten would be explored further. He could be a source of love and support, or there could be drama and conflict between them regarding the pregnancy.
Typically, it could be one of the female characters from 'Henry Danger' like Charlotte. Since she is a smart and capable character, a pregnancy plot for her could be really interesting as she tries to manage it while still being part of Henry's crime - fighting world.
PJ and Emmett might also be involved. They could be the ones providing some comical relief during the pregnancy. Maybe they accidentally break something while trying to set up the nursery or they come up with some crazy ideas to welcome the baby.
Neji and Tenten are the main characters. Neji, known for his skills in combat and his loyalty, would be by Tenten's side throughout the pregnancy. Tenten, who is also a skilled ninja, now has to adapt to her new role as a soon - to - be mother. Their relationship would be the focus as they navigate this new phase of their lives together.
Obviously, Claire Underwood herself is the central character. As the pregnant one, the story revolves around her experiences, emotions, and actions.
Ray could also be a main character in such fanfictions. As Henry's mentor in the show, he might play a role in dealing with the pregnancy situation, perhaps providing guidance or getting into some comical misunderstandings related to it. Jasper could be another character involved, maybe adding some humor to the story with his unique personality.
Obviously, Mal is the central character. But often, her friends or romantic partners can be important characters too. For example, if she has a significant other, they will play a big role in how she copes with the pregnancy.
The Cullens are often involved too. Edward, for example, as Alice is part of the Cullen family. Their interactions can be explored in different ways in fanfic, perhaps showing a different side of their family dynamic.
Naruto is almost always the main character in 'Naruto Foodgasm Fanfic'. His love for food is well - known in the original series, so it makes sense. Sometimes his friends like Choji, who also loves food, are involved too.
Obviously, Tsuna is the main character. But often, his friends like Gokudera and Yamamoto are also involved. Since Tsuna's anger usually has something to do with his relationships with them, they play important roles in the fanfic. For example, they might be the ones who trigger his anger or the ones who have to deal with the consequences of his anger.
In addition to the main Naruto crew, characters like Jiraiya can be important in 'prodigious naruto fanfic'. He was Naruto's mentor, so in fanfics that explore Naruto's growth further, Jiraiya is likely to be there. Also, villains like Orochimaru or Pain can be central in some fanfics, especially those that deal with Naruto facing greater threats or trying to redeem the villains.