The Jario series is a fanon video game series in the Phineas and Ferb 2 universe that parodies the Mario series. PF2's movie remake, Phineas and Ferb 2: The Movie, also had the Jario series make a huge impact in the storyline as Doofenshmirtz teleported out game enemies. Of the few video games Phineas and Ferb play, the series is one of his favorites.