Teenage Mutant Ninja Turtles follows four ninja-trained turtles—Leonardo, Michelangelo, Donatello, and Raphael—who, led by their sensei Splinter, protect New York City from villains like Shredder. With distinct personalities and skills, they fight crime using teamwork, humor, and unique weapons. From the classic comics to movies and TV shows, the franchise's enduring appeal lies in its blend of action, humor, and themes of friendship and heroism.