Isabella Garcia-Shapiro
Voice Alyson Stoner
Alies Phineas Flynn, Ferb Fletcher, Baljeet, Buford van Stomm, Fireside Girls
Enemies Mitch, Suzy Johnson
Feature Films Phineas and Ferb The Movie: Across the 2nd Dimension
Quote "Whatcha doin'?"

Isabella Garcia-Shapiro is the neighbor and best friend of Phineas and Ferb.

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