Another character could be Sasuke. Even though he's not directly part of the 'apprentice of Jiraiya' concept, his actions and relationship with Naruto can still be a factor. His decisions might influence Naruto's growth as Jiraiya's apprentice, for example, if Sasuke goes down a dark path, Naruto could be motivated by Jiraiya's teachings to bring him back.
There could also be other characters from the Naruto universe that play important roles. For instance, Tsunade might be involved as she has a connection to Jiraiya. She could offer additional guidance or be a source of conflict when she disagrees with Jiraiya's training methods for Naruto.
Obviously, Naruto and Jiraiya are the main characters. Naruto is the young and energetic ninja with big dreams, while Jiraiya is the experienced and somewhat pervy sage who has a lot to teach Naruto.
Well, obviously Naruto and Jiraiya are the main characters. Naruto is the young ninja with the Nine - Tails sealed inside him, eager to learn and grow stronger. Jiraiya is the pervy but highly skilled and wise ninja who takes Naruto under his wing as an apprentice.
Obviously, Naruto and Jiraiya would be the main characters. Naruto, the protagonist of the original series, and Jiraiya, his mentor. They have a deep connection, and any fanfiction about them meeting would revolve around their relationship.
The main characters are Naruto and Jiraiya. Naruto is the young and eager - to - learn ninja, and Jiraiya is his experienced mentor.
Perhaps a plot where Naruto, as Jiraiya's apprentice, goes on a secret mission with him to spy on a hidden enemy organization. During this mission, he has to use his wits and the skills Jiraiya taught him to stay alive and gather information.
Growth is a common theme. Naruto grows as a ninja under Jiraiya's tutelage. Another theme is the bond between them, like a father - son relationship. For example, Naruto might look up to Jiraiya for advice and support.
Obviously, Naruto and Jiraiya are going to be the main characters. Naruto, the young and energetic ninja - in - training, and Jiraiya, the experienced and somewhat eccentric sage. There might also be some side characters like the villagers of Konoha who could react to Naruto's new relationship with Jiraiya.
Obviously, Naruto and Hayate would be the main characters. Naruto is the protagonist who will be learning from Hayate.
Obviously, Naruto and Hiruzen would be the main characters. Naruto as the apprentice and Hiruzen as the mentor.
Obviously, Naruto and Anko would be the main characters. Naruto, the energetic and determined ninja, and Anko, the somewhat eccentric and skilled kunoichi.