Naruto is still often a very popular character in such fanfictions. Since it's about altered powers, his character provides a great base to explore different power - up scenarios.
Sasuke is also quite popular. His natural power and his quest for more strength make him an ideal candidate for fanfiction writers to give him even more altered and powerful abilities.
Kakashi can be popular too. His Sharingan and his role as a mentor can be tweaked in fanfictions with altered powers. For example, his Sharingan could be given a new power or he could have a secret power that he imparts to Naruto and the others, which can create really interesting storylines.
Naruto himself is often very popular. His energetic and determined personality makes for great crossovers with the Power Rangers. Then there's Kakashi, with his cool and mysterious nature. Rangers might be intrigued by his sharingan and ninja skills. Also, Tommy Oliver from the Power Rangers is a favorite. His long history in the Power Rangers series and his various ranger forms can bring a lot to a crossover story.
Naruto himself is often a popular character in such fanfiction. His growth potential and his already powerful abilities make him a prime candidate for further development in fan - created stories.
Naruto himself is very likely to be central. Since he is the main character in the original series, any alteration of time would likely still revolve around him in some way. His journey and how it's affected by the time changes would be a major focus. Sasuke is also a prime candidate. His relationship with Naruto and his own quest for power and revenge could be greatly altered by time changes. Another one could be Kakashi. He has a lot of backstory and knowledge, and in an altered time, his role as a mentor or a ninja in general could be very different.
In Naruto, Naruto Uzumaki himself is often very popular. His determination and growth throughout the series make him an appealing character in fanfiction. In the context of a harem, his friendly and somewhat naive nature can attract female characters from both universes. From Power Rangers, the Red Ranger is usually a favorite. He represents leadership and strength, which are attractive qualities. In a harem fanfiction, he might be seen as a protector figure for the female characters. Also, characters like Sakura from Naruto are popular as she can add a bit of a love - triangle dynamic with Naruto and the Power Rangers characters.
In this type of fanfiction, Sasuke could be one of the most popular characters. His cool and brooding nature would contrast with the more light - hearted Mew Mew characters. Also, characters like Ryou from Mew Mew Power, who has a bit of mystery to him, might attract a lot of attention. The combination of his knowledge of the Mew Mew world and his interactions with Naruto characters could make for some engaging storylines. And Naruto's friends like Shikamaru might also be popular as his laid - back yet intelligent personality could add a different flavor to the crossovers.
Sakura is a character that is often associated with Naruto power suit fanfiction. She has grown to be a very strong kunoichi, and a power suit could add another dimension to her abilities. It could help her with her medical ninjutsu, perhaps allowing her to heal more quickly or even perform more complex medical procedures in the heat of battle. Hinata is also popular in this regard. Her Byakugan could be enhanced by the power suit, giving her even better vision and the ability to detect threats from further away, while also improving her combat capabilities.
Well, Starlight Glimmer can be a very popular character in these fanfictions. Her past as a villain and her journey to redemption can be re - worked in various alternate timelines. Spike is also popular. He can be given more important roles in the altered timelines, like having stronger powers or being a key part of a new prophecy. And of course, Princess Celestia and Princess Luna, as their leadership and powers can be reimagined in different ways in the alternate timelines.
Sakura is another character that can be popular in 'naruto new power fanfiction'. She might be given enhanced medical ninjutsu abilities, or even some combat - related powers that were not as prominent in the original series. For example, she could have the power to heal fatal wounds instantly or use her chakra to create powerful force fields.
In 'alter power naruto fanfiction', there might also be the concept of altered power sources. Instead of just relying on chakra, characters could draw power from other dimensions or from the collective will of the people. This could open up new plotlines where Naruto has to learn how to control and master this new power source, and how it affects his relationships with his friends and the village.
Ash from Pokemon often makes an appearance in these fanfictions. Since he's the main character in Pokemon, he can be easily integrated into the Power Rangers' world, maybe as a special Ranger or an ally.