Phineas Flynn

Phineas Flynn is a young boy who helped the Marvel heroes regain their powers. He is the step-brother of Ferb Fletcher and together they build multiple inventions.

Phineas and Ferb: Mission Marvel
Spider-Man, Iron Man, Hulk, and Thor approach Phineas and Ferb believing they were the ones who drained their powers. Phineas corrects them, stating it was not them who took away their powers. He decides to help the heroes and he and Ferb build a machine to tempoarirly restore the heros' powers but unfortunately their powers get mixed up causing the heroes to get defeated. Phineas and Ferb travel to the mall in their beak suit in order to save the heroes but it was faulty and broke after hit with water. After being saved by Perry the Platypus, the boys try to help the heroes but they can't so they decide to atleast help them in the battle. Candace ends up saving the day when she restores the heros' powers and the villains are defeated. Nick Fury thanks them for their services and they salute as the heroes leave.

Relationships

 * Ferb Fletcher - Step-Brother
 * Perry the Platypus - Pet

Apperances/Voice Actors

 * TV Specials (1 Film)
 * Phineas and Ferb: Mission Marvel - Vincent Martella