Why are their bits Danny Phantom in timmy turner?

Danny Phantom and Timmy Turner are two separate animated characters that come from different TV series. Danny Phantom is the protagonist of the series entitled "Danny Phantom," which focuses on his journey as a half-ghost superhero who fights various spirits. On the other hand, Timmy Turner is the main character of the show called "The Fairly OddParents," where he gains magical abilities through his fairy godparents, Cosmo and Wanda.