Phineas' Personality Change

Phineas is shown to be flat and snarky toward Candace when the series began, when in the rest of the series, he's upbeat and optimistic and doesn't care what she is up to.<br>This is a comparison of "Rollercoaster" and "Rollercoaster: The Musical!", showing the difference in Phineas' reaction to Candace being in charge.

Example of:
Characterization Marches On