The Mega Hyper Heroes are a group of characters who protect their universe from evil and save their Earth's environment. They have the ability to transform via magic rings that they all wear, similar to various morphers in other superhero series. The series showcases characters with diverse powers such as flight, immortality, space-time manipulation, enhanced strength, telepathy, and more. Some characters have the ability to combine with designated teammates at will and separate just as easily, indicating a high level of adaptability and teamwork. Additionally, they possess an uninhibited processor, suggesting advanced cognitive abilities. For more detailed information about each character's unique abilities, you can refer to the Rugrats Wiki - Fandom and Screen Rant.