Besides Naruto, characters like Fukasaku and Shima, the toad sages, are frequently in 'naruto sage training fanfic'. They are the ones who actually teach Naruto about the sage mode in the original series, so in fanfics, they play important roles in his training as well. Also, Sasuke might be involved in some fanfics. His relationship with Naruto could add an interesting dynamic to the sage training plot, either as a rival or as a partner in some kind of joint training.
Obviously, Naruto is the central character. But there are also often other characters like Jiraiya. Since Jiraiya was Naruto's mentor in the original story and had knowledge about sage mode, he often appears in fanfics to guide Naruto in his training. Another common character could be Kakashi. He may offer some advice or support to Naruto during the training process.
Jiraiya is often a common character. Since he was Naruto's teacher and had knowledge of sage training himself, he might appear in the fanfiction to guide Naruto further. Another one could be Kakashi. He is always looking out for Naruto and could be involved in the training in some way, like providing strategic advice.
In certain 'naruto sage training fanfic', there could be a plot where Naruto's sage training is intertwined with a prophecy. He has to train in a specific way to fulfill the prophecy and save the ninja world. This could lead to him having to master skills and powers that are far beyond what he originally thought possible during his sage training journey.
Naruto himself is often a popular character in such fanfics. Since he has a natural affinity for different types of chakra, it's interesting to see how he would adapt to the lightning sage powers. Another could be Sasuke. His sharingan and his quest for power could be combined with the lightning sage abilities in an exciting way.
Since it's a Naruto - centered fanfic, Naruto is the main character for sure. But other characters from the Naruto universe might also play important roles. Sasuke could be there, perhaps as a rival or an ally at different points in the story. Sakura might also be involved, maybe as a healer or a support for Naruto in his journey to become a sage. There could also be new characters created specifically for this fanfic that have a connection to Naruto's path as a sage.
Naruto himself is often a popular character in these fanfics. Since he is always eager to learn new powers and grow stronger, it's easy to imagine him being drawn to the dragon sage power. He could incorporate it into his existing arsenal of jutsu and become even more formidable.
Kakashi could be a key character in the fanfiction. As Naruto's former teacher, he could provide guidance and set up the extreme training regimens for Naruto. Also, characters like Jiraiya might be present. Since he trained Naruto in the original series, he could play an important role in this extreme training scenario, perhaps teaching Naruto some advanced toad - related techniques.
Well, the main characters are Naruto Uzumaki and Jiraiya. Naruto is the protagonist of the Naruto series, a ninja full of energy and a strong will. Jiraiya, on the other hand, is a powerful and well - known ninja. He is Naruto's mentor in this fanfic, guiding him through various training regimens and sharing his knowledge and experiences.
Sakura is often a popular character in these types of fanfics. Since she is a kunoichi herself in the original Naruto series, it's easy to write about her further training. Hinata can also be a main character, as her gentle yet strong nature can be explored more during kunoichi training.
Hinata is also likely to be present. Given her feelings for Naruto in the original series, in the fanfiction she could be part of the harem, and her shy nature could contrast with Naruto's new - found fox sage confidence.
Hinata could also be a main character. Her relationship with Naruto could take on new dimensions as he becomes the Sage of Six Paths. Maybe she helps him in some way to control or understand his new powers, or they face challenges together that test their relationship.