Billionfold Inc. is an American animation studio founded by Butch Hartman, the creator of The Fairly OddParents. The company's first project was Danny Phantom, which has previously aired on Nickelodeon and on Nicktoons.
The Fairly OddParents first aired as a series of short films aired as part of Nickelodeon's animation showcase Oh Yeah! Cartoons, just before Frederator Studios spawned a new series that has been on the air on Nickelodeon since 2001. As of February 18, 2008, the company's second project has been The Fairly OddParents (second series), which the company has since been co-produced it with Frederator Studios.
The company's third project was T.U.F.F. Puppy, which has been on the air on Nickelodeon until April 4, 2015