In some fanfictions, Casey Jones could also be a main character. He could be involved in the action, perhaps teaming up with the turtles in their mecha suits to take on the bad guys. His rough - and - tumble style would add an interesting dynamic to the story.
April O'Neil could also be a main character. She might be the one who discovers the mecha technology or helps the turtles figure out how to use it. Her role as a human ally would be important in a story like this.
One idea could be a story where the Teenage Mutant Ninja Turtles discover a hidden mecha technology in the sewers. They have to figure out how to use it to defeat a new, powerful enemy. Maybe it gives them new abilities like enhanced speed or the power to fly.
The main characters are the four Teenage Mutant Ninja Turtles: Leonardo, Donatello, Raphael, and Michelangelo. And of course, Splinter and April O'Neil.
Leonardo is often very popular. He's the leader, so fanfictions might focus on his leadership challenges and how he makes decisions for the team.
Casey Jones. He's often overshadowed by the turtles. But in fanfiction, his brash and unpredictable nature could be used to create some really interesting storylines. He could have his own solo adventures that tie into the turtles' world in unexpected ways.
The main characters are the Teenage Mutant Ninja Turtles: Leonardo, Raphael, Donatello, and Michelangelo. Also, their mentor Splinter is an important character.
The main characters are the four Teenage Mutant Ninja Turtles - Leonardo, Donatello, Raphael, and Michelangelo. And also their mentor, Splinter, a mutated rat who trained them in the ways of the ninja.
Leonardo is often popular. In human fanfiction, he might be depicted as a strong and noble leader even in human form, guiding the other turtles and any human allies. He could be the one who tries to uphold justice in a human world.
The main characters in a Teenage Mutant Ninja Turtles kids story are the four turtles - Leonardo, Donatello, Raphael, and Michelangelo. There's also their human friend April O'Neil. And of course, they often face off against various villains like the Shredder and the Foot Clan.
April O'Neil is a classic choice. She's a human character who has a long - standing relationship with the turtles. Her skills as a reporter can add an interesting dynamic to the story.
Karai is another. She has a complex backstory, being related to the Shredder in some versions. She's a skilled fighter and her character arc of switching sides or being in a morally gray area makes her really interesting. In female fanfiction, she can be explored even more deeply, with different interpretations of her motives and relationships.