 Phineas appears to be addicted to inventing.In "Bully Bromance Break Up" he goes into withdrawal when the other kids insist on climbing a mountain without using any crazy gadgets.On a few episodes, Phineas shows an angrier side of himself, first seen in the "" movie, where Phineas gets angry at Perry after finding out his secret identity because Perry "never trusted him" by telling him the truth, but later realizes that Perry kept his identity hidden because if Phineas and his family found out, Perry would be forced to relocate to another family.