Who are some potential new characters that could be introduced in 'gaiden naruto fanfic'?

A new Akatsuki member, a young and powerful ninja who has a personal vendetta against Naruto. Their clashes could add a lot of drama and action to the fanfic.

In a 'henceforward rwby fanfic', a new character could be a young boy from a nomadic tribe in Remnant. His semblance is the ability to sense danger from miles away, which has kept his tribe safe for generations. He could join the RWBY gang on their adventures, bringing with him a different perspective on the world. Another potential character is a female knight from an ancient order in Atlas. She has a very strict code of honor and her semblance is the ability to make her armor impenetrable for a short period. Also, a character from a hidden underground city in Remnant could be introduced. This character has a semblance that allows them to phase through solid objects and could provide some interesting plot twists in the fanfic.

A skilled samurai girl from the Iron Country. She could be a master of a unique sword - fighting style. Maybe she initially distrusts Naruto because of the differences between ninja and samurai, but later becomes his ally and friend.

A powerful elder who has been in hiding since the fall of the Land of Whirlpool. He could have a vast knowledge of the land's ancient techniques.

A species - specific character like a Chiss bounty hunter. The Chiss are known for their intelligence and strategic thinking. This bounty hunter could be on a mission to capture a high - profile target in the Star Wars Visions universe. They would use their unique Chiss abilities, such as their natural aptitude for tactics, to outwit their opponents.

A character could be a mysterious guide who knows all about this 'another world'. He or she could be an old hermit who has lived in this world for a long time and has unique powers related to the world's natural elements.

A potential new character could be a mysterious sage who has a deep understanding of both Oriko Jutsu and the Kyuubi. This character could be a mentor figure to the protagonist, guiding them in their journey to master the jutsu and deal with the Kyuubi's power.

A new character could be a rogue ninja from a clan that was wiped out during the Warring States Era. He could be on a revenge mission against the clans that destroyed his own. This character would bring a sense of mystery and danger.

Boruto is an obvious choice. He and Sarada have a unique friendship in the Naruto universe, and their interactions can add a lot of depth to the story. They could go on missions together or have friendly competitions.

A young and talented artist could be a new character. The empress could commission the artist to create a portrait or some art for the palace, and in the process, a unique friendship or a complex relationship could develop. The artist could also be a source of inspiration for the empress in different ways.